Kernel 6.16-rc5+: New warning from drivers/gpu/drm/drm_gem.c
Simona Vetter
simona.vetter at ffwll.ch
Fri Jul 11 21:54:09 UTC 2025
On Fri, Jul 11, 2025 at 01:34:19PM +0100, Chris Clayton wrote:
> Hi
>
> I've built and installed 6.16 cloned from Linus' tree and am consistently getting a warning during system startup.
> The warning is not produced by rc4 but is by rc5, so I've bisected between those two points abd the outcome is:
>
> 5307dce878d4126e1b375587318955bd019c3741 is the first bad commit
> commit 5307dce878d4126e1b375587318955bd019c3741 (HEAD)
> Author: Thomas Zimmermann <tzimmermann at suse.de>
> Date: Mon Jun 30 10:36:47 2025 +0200
>
> drm/gem: Acquire references on GEM handles for framebuffers
Should be sorted with f6bfc9afc751 ("drm/framebuffer: Acquire internal
references on GEM handles"), and I'll just about to type the PR summary to
send that to Linus.
-Sima
>
> A GEM handle can be released while the GEM buffer object is attached
> to a DRM framebuffer. This leads to the release of the dma-buf backing
> the buffer object, if any. [1] Trying to use the framebuffer in further
> mode-setting operations leads to a segmentation fault. Most easily
> happens with driver that use shadow planes for vmap-ing the dma-buf
> during a page flip. An example is shown below.
>
> [ 156.791968] ------------[ cut here ]------------
> [ 156.796830] WARNING: CPU: 2 PID: 2255 at drivers/dma-buf/dma-buf.c:1527 dma_buf_vmap+0x224/0x430
> [...]
> [ 156.942028] RIP: 0010:dma_buf_vmap+0x224/0x430
> [ 157.043420] Call Trace:
> [ 157.045898] <TASK>
> [ 157.048030] ? show_trace_log_lvl+0x1af/0x2c0
> [ 157.052436] ? show_trace_log_lvl+0x1af/0x2c0
> [ 157.056836] ? show_trace_log_lvl+0x1af/0x2c0
> [ 157.061253] ? drm_gem_shmem_vmap+0x74/0x710
> [ 157.065567] ? dma_buf_vmap+0x224/0x430
> [ 157.069446] ? __warn.cold+0x58/0xe4
> [ 157.073061] ? dma_buf_vmap+0x224/0x430
> [ 157.077111] ? report_bug+0x1dd/0x390
> [ 157.080842] ? handle_bug+0x5e/0xa0
> [ 157.084389] ? exc_invalid_op+0x14/0x50
> [ 157.088291] ? asm_exc_invalid_op+0x16/0x20
> [ 157.092548] ? dma_buf_vmap+0x224/0x430
> [ 157.096663] ? dma_resv_get_singleton+0x6d/0x230
> [ 157.101341] ? __pfx_dma_buf_vmap+0x10/0x10
> [ 157.105588] ? __pfx_dma_resv_get_singleton+0x10/0x10
> [ 157.110697] drm_gem_shmem_vmap+0x74/0x710
> [ 157.114866] drm_gem_vmap+0xa9/0x1b0
> [ 157.118763] drm_gem_vmap_unlocked+0x46/0xa0
> [ 157.123086] drm_gem_fb_vmap+0xab/0x300
> [ 157.126979] drm_atomic_helper_prepare_planes.part.0+0x487/0xb10
> [ 157.133032] ? lockdep_init_map_type+0x19d/0x880
> [ 157.137701] drm_atomic_helper_commit+0x13d/0x2e0
> [ 157.142671] ? drm_atomic_nonblocking_commit+0xa0/0x180
> [ 157.147988] drm_mode_atomic_ioctl+0x766/0xe40
> [...]
> [ 157.346424] ---[ end trace 0000000000000000 ]---
>
> Acquiring GEM handles for the framebuffer's GEM buffer objects prevents
> this from happening. The framebuffer's cleanup later puts the handle
> references.
>
> Commit 1a148af06000 ("drm/gem-shmem: Use dma_buf from GEM object
> instance") triggers the segmentation fault easily by using the dma-buf
> field more widely. The underlying issue with reference counting has
> been present before.
>
> v2:
> - acquire the handle instead of the BO (Christian)
> - fix comment style (Christian)
> - drop the Fixes tag (Christian)
> - rename err_ gotos
> - add missing Link tag
>
> Suggested-by: Christian König <christian.koenig at amd.com>
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> Link: https://elixir.bootlin.com/linux/v6.15/source/drivers/gpu/drm/drm_gem.c#L241 # [1]
> Cc: Thomas Zimmermann <tzimmermann at suse.de>
> Cc: Anusha Srivatsa <asrivats at redhat.com>
> Cc: Christian König <christian.koenig at amd.com>
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Cc: Maxime Ripard <mripard at kernel.org>
> Cc: Sumit Semwal <sumit.semwal at linaro.org>
> Cc: "Christian König" <christian.koenig at amd.com>
> Cc: linux-media at vger.kernel.org
> Cc: dri-devel at lists.freedesktop.org
> Cc: linaro-mm-sig at lists.linaro.org
> Cc: <stable at vger.kernel.org>
> Reviewed-by: Christian König <christian.koenig at amd.com>
> Link: https://lore.kernel.org/r/20250630084001.293053-1-tzimmermann@suse.de
>
> drivers/gpu/drm/drm_gem.c | 44 ++++++++++++++++++++++++++++++++++++++++----
> drivers/gpu/drm/drm_gem_framebuffer_helper.c | 16 +++++++++-------
> drivers/gpu/drm/drm_internal.h | 2 ++
> 3 files changed, 51 insertions(+), 11 deletions(-)
>
> I've attached files that contain a full dmesg and the bisect log.
>
> If you require any additional diagnostics, just let me know, but please cc me as I'm not subscribed.
>
> Chris
> [ 0.000000] Linux version 6.16.0-rc1+ (chris at laptop) (gcc (GCC) 15.1.1 20250705, GNU ld (GNU Binutils) 2.44) #688 SMP PREEMPT_DYNAMIC Fri Jul 11 12:33:57 BST 2025
> [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-6.16.0-rc1+ ro root=PARTUUID=f927883a-e95c-4cdd-b64e-a0a778216b9f resume=PARTUUID=70ccedc5-d788-42bc-9f13-81e2beb61338 rootfstype=ext4 net.ifnames=0 video=1920x1080 at 60
> [ 0.000000] BIOS-provided physical RAM map:
> [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009efff] usable
> [ 0.000000] BIOS-e820: [mem 0x000000000009f000-0x00000000000fffff] reserved
> [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007e1d8fff] usable
> [ 0.000000] BIOS-e820: [mem 0x000000007e1d9000-0x000000007ead8fff] reserved
> [ 0.000000] BIOS-e820: [mem 0x000000007ead9000-0x000000008cceefff] usable
> [ 0.000000] BIOS-e820: [mem 0x000000008ccef000-0x000000008eedefff] reserved
> [ 0.000000] BIOS-e820: [mem 0x000000008eedf000-0x000000008fbcefff] ACPI NVS
> [ 0.000000] BIOS-e820: [mem 0x000000008fbcf000-0x000000008fc4efff] ACPI data
> [ 0.000000] BIOS-e820: [mem 0x000000008fc4f000-0x000000008fc4ffff] usable
> [ 0.000000] BIOS-e820: [mem 0x000000008fc50000-0x000000009d7fffff] reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe010fff] reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000fed84000-0x00000000fed84fff] reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000ff400000-0x00000000ffffffff] reserved
> [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x00000008607fffff] usable
> [ 0.000000] NX (Execute Disable) protection: active
> [ 0.000000] APIC: Static calls initialized
> [ 0.000000] efi: EFI v2.7 by INSYDE Corp.
> [ 0.000000] efi: ACPI=0x8fc4e000 ACPI 2.0=0x8fc4e014 TPMFinalLog=0x8fbc5000 SMBIOS=0x8d1e4000 SMBIOS 3.0=0x8d1e2000 ESRT=0x8d1e5998 MEMATTR=0x79e9f018 INITRD=0x79e61b18 RNG=0x8fbf6018 TPMEventLog=0x8fbf2018
> [ 0.000000] random: crng init done
> [ 0.000000] efi: Remove mem69: MMIO range=[0xe0000000-0xefffffff] (256MB) from e820 map
> [ 0.000000] e820: remove [mem 0xe0000000-0xefffffff] reserved
> [ 0.000000] efi: Not removing mem70: MMIO range=[0xfe000000-0xfe010fff] (68KB) from e820 map
> [ 0.000000] efi: Not removing mem71: MMIO range=[0xfed10000-0xfed19fff] (40KB) from e820 map
> [ 0.000000] efi: Not removing mem72: MMIO range=[0xfed84000-0xfed84fff] (4KB) from e820 map
> [ 0.000000] efi: Not removing mem73: MMIO range=[0xfee00000-0xfee00fff] (4KB) from e820 map
> [ 0.000000] efi: Remove mem74: MMIO range=[0xff400000-0xffffffff] (12MB) from e820 map
> [ 0.000000] e820: remove [mem 0xff400000-0xffffffff] reserved
> [ 0.000000] SMBIOS 3.2.0 present.
> [ 0.000000] DMI: Notebook NP50DE_DB /NP50DE_DB , BIOS 1.07.04 02/17/2020
> [ 0.000000] DMI: Memory slots populated: 2/2
> [ 0.000000] tsc: Detected 2600.000 MHz processor
> [ 0.000000] tsc: Detected 2599.992 MHz TSC
> [ 0.000007] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
> [ 0.000009] e820: remove [mem 0x000a0000-0x000fffff] usable
> [ 0.000017] last_pfn = 0x860800 max_arch_pfn = 0x400000000
> [ 0.000021] MTRR map: 5 entries (3 fixed + 2 variable; max 23), built from 10 variable MTRRs
> [ 0.000023] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
> [ 0.000320] last_pfn = 0x8fc50 max_arch_pfn = 0x400000000
> [ 0.008312] esrt: Reserving ESRT space from 0x000000008d1e5998 to 0x000000008d1e5a48.
> [ 0.008322] Using GB pages for direct mapping
> [ 0.008731] Secure boot disabled
> [ 0.008731] RAMDISK: [mem 0x79e43000-0x79e5afff]
> [ 0.008737] ACPI: Early table checksum verification disabled
> [ 0.008739] ACPI: RSDP 0x000000008FC4E014 000024 (v02 INSYDE)
> [ 0.008742] ACPI: XSDT 0x000000008FBF9188 0000DC (v01 INSYDE CML 00000002 01000013)
> [ 0.008747] ACPI: FACP 0x000000008FC37000 00010C (v05 INSYDE CML 00000002 ACPI 00040000)
> [ 0.008752] ACPI: DSDT 0x000000008FC00000 03337F (v02 INSYDE CML 00000002 ACPI 00040000)
> [ 0.008754] ACPI: FACS 0x000000008FB47000 000040
> [ 0.008756] ACPI: UEFI 0x000000008FBCE000 000236 (v01 INSYDE CML 00000001 ACPI 00040000)
> [ 0.008759] ACPI: SSDT 0x000000008FC4A000 002087 (v02 CpuRef CpuSsdt 00003000 INTL 20160422)
> [ 0.008761] ACPI: SSDT 0x000000008FC46000 003158 (v02 SaSsdt SaSsdt 00003000 INTL 20160422)
> [ 0.008764] ACPI: SSDT 0x000000008FC44000 001848 (v02 PegSsd PegSsdt 00001000 INTL 20160422)
> [ 0.008766] ACPI: SSDT 0x000000008FC43000 000790 (v02 INSYDE Tpm2Tabl 00001000 INTL 20160422)
> [ 0.008769] ACPI: TPM2 0x000000008FC42000 000034 (v04 INSYDE CML 00000002 ACPI 00040000)
> [ 0.008771] ACPI: LPIT 0x000000008FC40000 000094 (v01 INSYDE CML 00000002 ACPI 00040000)
> [ 0.008773] ACPI: WSMT 0x000000008FC3F000 000028 (v01 INSYDE CML 00000002 ACPI 00040000)
> [ 0.008776] ACPI: SSDT 0x000000008FC3D000 001616 (v02 INSYDE PtidDevc 00001000 INTL 20160422)
> [ 0.008778] ACPI: DBGP 0x000000008FC3C000 000034 (v01 INSYDE CML 00000002 ACPI 00040000)
> [ 0.008780] ACPI: DBG2 0x000000008FC3B000 00005C (v00 INSYDE CML 00000002 ACPI 00040000)
> [ 0.008783] ACPI: SSDT 0x000000008FC3A000 000502 (v02 Intel PerfTune 00001000 INTL 20160422)
> [ 0.008785] ACPI: NHLT 0x000000008FC38000 001821 (v00 INSYDE CML 00000002 ACPI 00040000)
> [ 0.008788] ACPI: HPET 0x000000008FC36000 000038 (v01 INSYDE CML 00000002 ACPI 00040000)
> [ 0.008790] ACPI: APIC 0x000000008FC35000 000164 (v03 INSYDE CML 00000002 ACPI 00040000)
> [ 0.008792] ACPI: MCFG 0x000000008FC34000 00003C (v01 INSYDE CML 00000002 ACPI 00040000)
> [ 0.008795] ACPI: SSDT 0x000000008FBFF000 000E58 (v02 INSYDE ClevoRTD 00001000 INTL 20160422)
> [ 0.008797] ACPI: SSDT 0x000000008FBFA000 0039F7 (v01 Insyde NvdTable 00001000 INTL 20160422)
> [ 0.008799] ACPI: SSDT 0x000000008FC4D000 000164 (v01 INSYDE PcdTabl 00001000 INTL 20160422)
> [ 0.008802] ACPI: DMAR 0x000000008FBFE000 0000A8 (v01 INSYDE CML 00000002 ACPI 00040000)
> [ 0.008804] ACPI: FPDT 0x000000008FBF8000 000044 (v01 INSYDE CML 00000002 ACPI 00040000)
> [ 0.008806] ACPI: BGRT 0x000000008FBF7000 000038 (v01 INSYDE CML 00000001 ACPI 00040000)
> [ 0.008808] ACPI: Reserving FACP table memory at [mem 0x8fc37000-0x8fc3710b]
> [ 0.008810] ACPI: Reserving DSDT table memory at [mem 0x8fc00000-0x8fc3337e]
> [ 0.008811] ACPI: Reserving FACS table memory at [mem 0x8fb47000-0x8fb4703f]
> [ 0.008812] ACPI: Reserving UEFI table memory at [mem 0x8fbce000-0x8fbce235]
> [ 0.008812] ACPI: Reserving SSDT table memory at [mem 0x8fc4a000-0x8fc4c086]
> [ 0.008813] ACPI: Reserving SSDT table memory at [mem 0x8fc46000-0x8fc49157]
> [ 0.008814] ACPI: Reserving SSDT table memory at [mem 0x8fc44000-0x8fc45847]
> [ 0.008815] ACPI: Reserving SSDT table memory at [mem 0x8fc43000-0x8fc4378f]
> [ 0.008816] ACPI: Reserving TPM2 table memory at [mem 0x8fc42000-0x8fc42033]
> [ 0.008816] ACPI: Reserving LPIT table memory at [mem 0x8fc40000-0x8fc40093]
> [ 0.008817] ACPI: Reserving WSMT table memory at [mem 0x8fc3f000-0x8fc3f027]
> [ 0.008818] ACPI: Reserving SSDT table memory at [mem 0x8fc3d000-0x8fc3e615]
> [ 0.008819] ACPI: Reserving DBGP table memory at [mem 0x8fc3c000-0x8fc3c033]
> [ 0.008819] ACPI: Reserving DBG2 table memory at [mem 0x8fc3b000-0x8fc3b05b]
> [ 0.008820] ACPI: Reserving SSDT table memory at [mem 0x8fc3a000-0x8fc3a501]
> [ 0.008821] ACPI: Reserving NHLT table memory at [mem 0x8fc38000-0x8fc39820]
> [ 0.008822] ACPI: Reserving HPET table memory at [mem 0x8fc36000-0x8fc36037]
> [ 0.008823] ACPI: Reserving APIC table memory at [mem 0x8fc35000-0x8fc35163]
> [ 0.008823] ACPI: Reserving MCFG table memory at [mem 0x8fc34000-0x8fc3403b]
> [ 0.008824] ACPI: Reserving SSDT table memory at [mem 0x8fbff000-0x8fbffe57]
> [ 0.008825] ACPI: Reserving SSDT table memory at [mem 0x8fbfa000-0x8fbfd9f6]
> [ 0.008826] ACPI: Reserving SSDT table memory at [mem 0x8fc4d000-0x8fc4d163]
> [ 0.008827] ACPI: Reserving DMAR table memory at [mem 0x8fbfe000-0x8fbfe0a7]
> [ 0.008827] ACPI: Reserving FPDT table memory at [mem 0x8fbf8000-0x8fbf8043]
> [ 0.008828] ACPI: Reserving BGRT table memory at [mem 0x8fbf7000-0x8fbf7037]
> [ 0.008887] Zone ranges:
> [ 0.008888] DMA [mem 0x0000000000001000-0x0000000000ffffff]
> [ 0.008890] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
> [ 0.008891] Normal [mem 0x0000000100000000-0x00000008607fffff]
> [ 0.008893] Movable zone start for each node
> [ 0.008893] Early memory node ranges
> [ 0.008894] node 0: [mem 0x0000000000001000-0x000000000009efff]
> [ 0.008895] node 0: [mem 0x0000000000100000-0x000000007e1d8fff]
> [ 0.008896] node 0: [mem 0x000000007ead9000-0x000000008cceefff]
> [ 0.008897] node 0: [mem 0x000000008fc4f000-0x000000008fc4ffff]
> [ 0.008898] node 0: [mem 0x0000000100000000-0x00000008607fffff]
> [ 0.008902] Initmem setup node 0 [mem 0x0000000000001000-0x00000008607fffff]
> [ 0.008907] On node 0, zone DMA: 1 pages in unavailable ranges
> [ 0.008935] On node 0, zone DMA: 97 pages in unavailable ranges
> [ 0.013025] On node 0, zone DMA32: 2304 pages in unavailable ranges
> [ 0.013117] On node 0, zone DMA32: 12128 pages in unavailable ranges
> [ 0.068370] On node 0, zone Normal: 944 pages in unavailable ranges
> [ 0.068612] On node 0, zone Normal: 30720 pages in unavailable ranges
> [ 0.068641] Reserving Intel graphics memory at [mem 0x99800000-0x9d7fffff]
> [ 0.068889] ACPI: PM-Timer IO Port: 0x1808
> [ 0.068896] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
> [ 0.068897] ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
> [ 0.068898] ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
> [ 0.068899] ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1])
> [ 0.068899] ACPI: LAPIC_NMI (acpi_id[0x05] high edge lint[0x1])
> [ 0.068900] ACPI: LAPIC_NMI (acpi_id[0x06] high edge lint[0x1])
> [ 0.068901] ACPI: LAPIC_NMI (acpi_id[0x07] high edge lint[0x1])
> [ 0.068901] ACPI: LAPIC_NMI (acpi_id[0x08] high edge lint[0x1])
> [ 0.068902] ACPI: LAPIC_NMI (acpi_id[0x09] high edge lint[0x1])
> [ 0.068903] ACPI: LAPIC_NMI (acpi_id[0x0a] high edge lint[0x1])
> [ 0.068903] ACPI: LAPIC_NMI (acpi_id[0x0b] high edge lint[0x1])
> [ 0.068904] ACPI: LAPIC_NMI (acpi_id[0x0c] high edge lint[0x1])
> [ 0.068904] ACPI: LAPIC_NMI (acpi_id[0x0d] high edge lint[0x1])
> [ 0.068905] ACPI: LAPIC_NMI (acpi_id[0x0e] high edge lint[0x1])
> [ 0.068906] ACPI: LAPIC_NMI (acpi_id[0x0f] high edge lint[0x1])
> [ 0.068906] ACPI: LAPIC_NMI (acpi_id[0x10] high edge lint[0x1])
> [ 0.068907] ACPI: LAPIC_NMI (acpi_id[0x11] high edge lint[0x1])
> [ 0.068908] ACPI: LAPIC_NMI (acpi_id[0x12] high edge lint[0x1])
> [ 0.068908] ACPI: LAPIC_NMI (acpi_id[0x13] high edge lint[0x1])
> [ 0.068909] ACPI: LAPIC_NMI (acpi_id[0x14] high edge lint[0x1])
> [ 0.068948] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119
> [ 0.068951] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> [ 0.068955] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
> [ 0.068959] ACPI: Using ACPI (MADT) for SMP configuration information
> [ 0.068960] ACPI: HPET id: 0x8086a201 base: 0xfed00000
> [ 0.068962] TSC deadline timer available
> [ 0.068968] CPU topo: Max. logical packages: 1
> [ 0.068969] CPU topo: Max. logical dies: 1
> [ 0.068969] CPU topo: Max. dies per package: 1
> [ 0.068975] CPU topo: Max. threads per core: 2
> [ 0.068976] CPU topo: Num. cores per package: 6
> [ 0.068976] CPU topo: Num. threads per package: 12
> [ 0.068977] CPU topo: Allowing 12 present CPUs plus 0 hotplug CPUs
> [ 0.068993] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
> [ 0.068995] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff]
> [ 0.068997] PM: hibernation: Registered nosave memory: [mem 0x7e1d9000-0x7ead8fff]
> [ 0.068999] PM: hibernation: Registered nosave memory: [mem 0x8ccef000-0x8fc4efff]
> [ 0.069001] PM: hibernation: Registered nosave memory: [mem 0x8fc50000-0xffffffff]
> [ 0.069002] [mem 0x9d800000-0xfdffffff] available for PCI devices
> [ 0.069004] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns
> [ 0.074948] setup_percpu: NR_CPUS:12 nr_cpumask_bits:12 nr_cpu_ids:12 nr_node_ids:1
> [ 0.075402] percpu: Embedded 42 pages/cpu s134680 r8192 d29160 u262144
> [ 0.075409] pcpu-alloc: s134680 r8192 d29160 u262144 alloc=1*2097152
> [ 0.075412] pcpu-alloc: [0] 00 01 02 03 04 05 06 07 [0] 08 09 10 11 -- -- -- --
> [ 0.075433] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-6.16.0-rc1+ ro root=PARTUUID=f927883a-e95c-4cdd-b64e-a0a778216b9f resume=PARTUUID=70ccedc5-d788-42bc-9f13-81e2beb61338 rootfstype=ext4 net.ifnames=0 video=1920x1080 at 60
> [ 0.075479] Unknown kernel command line parameters "BOOT_IMAGE=/boot/vmlinuz-6.16.0-rc1+", will be passed to user space.
> [ 0.075501] printk: log buffer data + meta data: 131072 + 458752 = 589824 bytes
> [ 0.078194] Dentry cache hash table entries: 4194304 (order: 13, 33554432 bytes, linear)
> [ 0.079542] Inode-cache hash table entries: 2097152 (order: 12, 16777216 bytes, linear)
> [ 0.079679] software IO TLB: area num 16.
> [ 0.090589] Built 1 zonelists, mobility grouping on. Total pages: 8309646
> [ 0.090591] mem auto-init: stack:off, heap alloc:off, heap free:off
> [ 0.141848] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=12, Nodes=1
> [ 0.142332] Dynamic Preempt: lazy
> [ 0.142374] rcu: Preemptible hierarchical RCU implementation.
> [ 0.142375] rcu: RCU event tracing is enabled.
> [ 0.142376] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
> [ 0.142387] NR_IRQS: 4352, nr_irqs: 2152, preallocated irqs: 16
> [ 0.142651] rcu: srcu_init: Setting srcu_struct sizes based on contention.
> [ 0.142899] Console: colour dummy device 80x25
> [ 0.142902] printk: legacy console [tty0] enabled
> [ 0.143161] ACPI: Core revision 20250404
> [ 0.143387] hpet: HPET dysfunctional in PC10. Force disabled.
> [ 0.143447] APIC: Switch to symmetric I/O mode setup
> [ 0.148476] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x257a34a6eea, max_idle_ns: 440795264358 ns
> [ 0.148483] Calibrating delay loop (skipped), value calculated using timer frequency.. 5199.98 BogoMIPS (lpj=10399968)
> [ 0.148513] CPU0: Thermal monitoring enabled (TM1)
> [ 0.148561] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
> [ 0.148564] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4
> [ 0.148568] process: using mwait in idle threads
> [ 0.148574] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
> [ 0.148576] SRBDS: Mitigation: Microcode
> [ 0.148578] Spectre V2 : Mitigation: Enhanced / Automatic IBRS
> [ 0.148580] RETBleed: Mitigation: Enhanced IBRS
> [ 0.148582] ITS: Mitigation: Aligned branch/return thunks
> [ 0.148584] MMIO Stale Data: Mitigation: Clear CPU buffers
> [ 0.148586] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
> [ 0.148589] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT
> [ 0.148591] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
> [ 0.148607] GDS: Mitigation: Microcode
> [ 0.148608] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit
> [ 0.148615] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
> [ 0.148618] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
> [ 0.148620] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
> [ 0.148622] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'
> [ 0.148624] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'
> [ 0.148626] x86/fpu: Supporting XSAVE feature 0x200: 'Protection Keys User registers'
> [ 0.148629] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
> [ 0.148632] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64
> [ 0.148634] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64
> [ 0.148636] x86/fpu: xstate_offset[9]: 960, xstate_sizes[9]: 8
> [ 0.148638] x86/fpu: Enabled xstate features 0x21f, context size is 968 bytes, using 'compacted' format.
> [ 0.152481] Freeing SMP alternatives memory: 40K
> [ 0.152481] pid_max: default: 32768 minimum: 301
> [ 0.152481] Mount-cache hash table entries: 65536 (order: 7, 524288 bytes, linear)
> [ 0.152481] Mountpoint-cache hash table entries: 65536 (order: 7, 524288 bytes, linear)
> [ 0.152481] smpboot: CPU0: Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz (family: 0x6, model: 0xa5, stepping: 0x2)
> [ 0.152481] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver.
> [ 0.152481] ... version: 4
> [ 0.152481] ... bit width: 48
> [ 0.152481] ... generic registers: 4
> [ 0.152481] ... value mask: 0000ffffffffffff
> [ 0.152481] ... max period: 00007fffffffffff
> [ 0.152481] ... fixed-purpose events: 3
> [ 0.152481] ... event mask: 000000070000000f
> [ 0.152481] signal: max sigframe size: 3632
> [ 0.152481] Estimated ratio of average max frequency by base frequency (times 1024): 1811
> [ 0.152481] rcu: Hierarchical SRCU implementation.
> [ 0.152481] rcu: Max phase no-delay instances is 1000.
> [ 0.152481] Timer migration: 2 hierarchy levels; 8 children per group; 2 crossnode level
> [ 0.152481] smp: Bringing up secondary CPUs ...
> [ 0.152481] smpboot: x86: Booting SMP configuration:
> [ 0.152481] .... node #0, CPUs: #1 #2 #3 #4 #5 #6 #7 #8 #9 #10 #11
> [ 0.152804] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details.
> [ 0.152804] smp: Brought up 1 node, 12 CPUs
> [ 0.152804] smpboot: Total of 12 processors activated (62399.80 BogoMIPS)
> [ 0.156542] Memory: 32559620K/33238584K available (14111K kernel code, 1186K rwdata, 4668K rodata, 2172K init, 736K bss, 669376K reserved, 0K cma-reserved)
> [ 0.157324] devtmpfs: initialized
> [ 0.157324] ACPI: PM: Registering ACPI NVS region [mem 0x8eedf000-0x8fbcefff] (13565952 bytes)
> [ 0.157324] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
> [ 0.157324] posixtimers hash table entries: 8192 (order: 5, 131072 bytes, linear)
> [ 0.157324] futex hash table entries: 4096 (262144 bytes on 1 NUMA nodes, total 256 KiB, linear).
> [ 0.157324] NET: Registered PF_NETLINK/PF_ROUTE protocol family
> [ 0.157324] thermal_sys: Registered thermal governor 'step_wise'
> [ 0.157324] thermal_sys: Registered thermal governor 'user_space'
> [ 0.157324] cpuidle: using governor ladder
> [ 0.157324] cpuidle: using governor menu
> [ 0.157324] PCI: Using configuration type 1 for base access
> [ 0.157324] ACPI: Added _OSI(Module Device)
> [ 0.157324] ACPI: Added _OSI(Processor Device)
> [ 0.157324] ACPI: Added _OSI(Processor Aggregator Device)
> [ 0.188703] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.XDCI], AE_NOT_FOUND (20250404/dswload2-162)
> [ 0.188712] ACPI Error: AE_NOT_FOUND, During name lookup/catalog (20250404/psobject-220)
> [ 0.188715] ACPI: Skipping parse of AML opcode: OpcodeName unavailable (0x0010)
> [ 0.189692] ACPI: 10 ACPI AML tables successfully acquired and loaded
> [ 0.190649] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
> [ 0.194446] ACPI: Dynamic OEM Table Load:
> [ 0.194446] ACPI: SSDT 0xFFFF963000D68000 000400 (v02 PmRef Cpu0Cst 00003001 INTL 20160422)
> [ 0.194446] ACPI: Dynamic OEM Table Load:
> [ 0.194446] ACPI: SSDT 0xFFFF963000D61000 000581 (v02 PmRef Cpu0Ist 00003000 INTL 20160422)
> [ 0.194446] ACPI: Dynamic OEM Table Load:
> [ 0.194446] ACPI: SSDT 0xFFFF963000D16000 0000FC (v02 PmRef Cpu0Psd 00003000 INTL 20160422)
> [ 0.194446] ACPI: Dynamic OEM Table Load:
> [ 0.194446] ACPI: SSDT 0xFFFF963000F58000 000137 (v02 PmRef Cpu0Hwp 00003000 INTL 20160422)
> [ 0.194446] ACPI: Dynamic OEM Table Load:
> [ 0.194446] ACPI: SSDT 0xFFFF963000D70000 000BEA (v02 PmRef HwpLvt 00003000 INTL 20160422)
> [ 0.195271] ACPI: Dynamic OEM Table Load:
> [ 0.195280] ACPI: SSDT 0xFFFF963000D62800 000778 (v02 PmRef ApIst 00003000 INTL 20160422)
> [ 0.196181] ACPI: Dynamic OEM Table Load:
> [ 0.196188] ACPI: SSDT 0xFFFF963000D68400 0003D7 (v02 PmRef ApHwp 00003000 INTL 20160422)
> [ 0.197072] ACPI: Dynamic OEM Table Load:
> [ 0.197080] ACPI: SSDT 0xFFFF963000D71000 000D22 (v02 PmRef ApPsd 00003000 INTL 20160422)
> [ 0.198378] ACPI: Dynamic OEM Table Load:
> [ 0.198385] ACPI: SSDT 0xFFFF963000D68800 0003CA (v02 PmRef ApCst 00003000 INTL 20160422)
> [ 0.201914] ACPI: EC: EC started
> [ 0.201917] ACPI: EC: interrupt blocked
> [ 0.203490] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62
> [ 0.203494] ACPI: \_SB_.PCI0.LPCB.EC__: Boot DSDT EC used to handle transactions
> [ 0.203497] ACPI: Interpreter enabled
> [ 0.203537] ACPI: PM: (supports S0 S3 S4 S5)
> [ 0.203539] ACPI: Using IOAPIC for interrupt routing
> [ 0.203574] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
> [ 0.203577] PCI: Using E820 reservations for host bridge windows
> [ 0.203848] ACPI: Enabled 7 GPEs in block 00 to 7F
> [ 0.204570] ACPI: \_SB_.PCI0.PEG0.PG00: New power resource
> [ 0.229186] ACPI: \_SB_.PCI0.XHC_.RHUB.HS14.BTPR: New power resource
> [ 0.236156] ACPI: \_SB_.PCI0.SAT0.VOL0.V0PR: New power resource
> [ 0.236298] ACPI: \_SB_.PCI0.SAT0.VOL1.V1PR: New power resource
> [ 0.236432] ACPI: \_SB_.PCI0.SAT0.VOL2.V2PR: New power resource
> [ 0.237453] ACPI: \_SB_.PCI0.CNVW.WRST: New power resource
> [ 0.240067] ACPI: \PIN_: New power resource
> [ 0.244487] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-fe])
> [ 0.244487] acpi PNP0A08:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3]
> [ 0.244487] acpi PNP0A08:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI]
> [ 0.244487] PCI host bridge to bus 0000:00
> [ 0.244487] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
> [ 0.244487] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
> [ 0.244487] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
> [ 0.244487] pci_bus 0000:00: root bus resource [mem 0x9d800000-0xdfffffff window]
> [ 0.244487] pci_bus 0000:00: root bus resource [mem 0xfc800000-0xfe7fffff window]
> [ 0.244487] pci_bus 0000:00: root bus resource [bus 00-fe]
> [ 0.244487] pci 0000:00:00.0: [8086:9b54] type 00 class 0x060000 conventional PCI endpoint
> [ 0.244487] pci 0000:00:01.0: [8086:1901] type 01 class 0x060400 PCIe Root Port
> [ 0.244487] pci 0000:00:01.0: PCI bridge to [bus 01-05]
> [ 0.244487] pci 0000:00:01.0: bridge window [io 0x4000-0x4fff]
> [ 0.244487] pci 0000:00:01.0: bridge window [mem 0xc3000000-0xc4ffffff]
> [ 0.244487] pci 0000:00:01.0: bridge window [mem 0xb0000000-0xc1ffffff 64bit pref]
> [ 0.244487] pci 0000:00:01.0: PME# supported from D0 D3hot D3cold
> [ 0.244487] pci 0000:00:02.0: [8086:9bc4] type 00 class 0x030000 PCIe Root Complex Integrated Endpoint
> [ 0.244487] pci 0000:00:02.0: BAR 0 [mem 0xc2000000-0xc2ffffff 64bit]
> [ 0.244487] pci 0000:00:02.0: BAR 2 [mem 0xa0000000-0xafffffff 64bit pref]
> [ 0.244487] pci 0000:00:02.0: BAR 4 [io 0x5000-0x503f]
> [ 0.244487] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
> [ 0.244487] pci 0000:00:12.0: [8086:06f9] type 00 class 0x118000 conventional PCI endpoint
> [ 0.244487] pci 0000:00:12.0: BAR 0 [mem 0xc539c000-0xc539cfff 64bit]
> [ 0.244487] pci 0000:00:14.0: [8086:06ed] type 00 class 0x0c0330 conventional PCI endpoint
> [ 0.244487] pci 0000:00:14.0: BAR 0 [mem 0xc5380000-0xc538ffff 64bit]
> [ 0.244487] pci 0000:00:14.0: PME# supported from D3hot D3cold
> [ 0.244487] pci 0000:00:14.2: [8086:06ef] type 00 class 0x050000 conventional PCI endpoint
> [ 0.244487] pci 0000:00:14.2: BAR 0 [mem 0xc5398000-0xc5399fff 64bit]
> [ 0.244487] pci 0000:00:14.2: BAR 2 [mem 0xc539d000-0xc539dfff 64bit]
> [ 0.244487] pci 0000:00:14.3: [8086:06f0] type 00 class 0x028000 PCIe Root Complex Integrated Endpoint
> [ 0.244487] pci 0000:00:14.3: BAR 0 [mem 0xc5390000-0xc5393fff 64bit]
> [ 0.244487] pci 0000:00:14.3: PME# supported from D0 D3hot D3cold
> [ 0.244487] pci 0000:00:15.0: [8086:06e8] type 00 class 0x0c8000 conventional PCI endpoint
> [ 0.244487] pci 0000:00:15.0: BAR 0 [mem 0x00000000-0x00000fff 64bit]
> [ 0.256706] pci 0000:00:15.1: [8086:06e9] type 00 class 0x0c8000 conventional PCI endpoint
> [ 0.256755] pci 0000:00:15.1: BAR 0 [mem 0x00000000-0x00000fff 64bit]
> [ 0.272722] pci 0000:00:16.0: [8086:06e0] type 00 class 0x078000 conventional PCI endpoint
> [ 0.272768] pci 0000:00:16.0: BAR 0 [mem 0xc53a0000-0xc53a0fff 64bit]
> [ 0.272817] pci 0000:00:16.0: PME# supported from D3hot
> [ 0.273114] pci 0000:00:17.0: [8086:06d3] type 00 class 0x010601 conventional PCI endpoint
> [ 0.273148] pci 0000:00:17.0: BAR 0 [mem 0xc539a000-0xc539bfff]
> [ 0.273151] pci 0000:00:17.0: BAR 1 [mem 0xc53a4000-0xc53a40ff]
> [ 0.273154] pci 0000:00:17.0: BAR 2 [io 0x5080-0x5087]
> [ 0.273157] pci 0000:00:17.0: BAR 3 [io 0x5088-0x508b]
> [ 0.273159] pci 0000:00:17.0: BAR 4 [io 0x5060-0x507f]
> [ 0.273162] pci 0000:00:17.0: BAR 5 [mem 0xc53a3000-0xc53a37ff]
> [ 0.273194] pci 0000:00:17.0: PME# supported from D3hot
> [ 0.273590] pci 0000:00:1d.0: [8086:06b0] type 01 class 0x060400 PCIe Root Port
> [ 0.273614] pci 0000:00:1d.0: PCI bridge to [bus 06]
> [ 0.273621] pci 0000:00:1d.0: bridge window [mem 0xc5200000-0xc52fffff]
> [ 0.273676] pci 0000:00:1d.0: PME# supported from D0 D3hot D3cold
> [ 0.274115] pci 0000:00:1d.5: [8086:06b5] type 01 class 0x060400 PCIe Root Port
> [ 0.274137] pci 0000:00:1d.5: PCI bridge to [bus 07]
> [ 0.274191] pci 0000:00:1d.5: PME# supported from D0 D3hot D3cold
> [ 0.274600] pci 0000:00:1d.6: [8086:06b6] type 01 class 0x060400 PCIe Root Port
> [ 0.274622] pci 0000:00:1d.6: PCI bridge to [bus 08]
> [ 0.274626] pci 0000:00:1d.6: bridge window [io 0x3000-0x3fff]
> [ 0.274630] pci 0000:00:1d.6: bridge window [mem 0xc5100000-0xc51fffff]
> [ 0.274680] pci 0000:00:1d.6: PME# supported from D0 D3hot D3cold
> [ 0.275107] pci 0000:00:1f.0: [8086:068d] type 00 class 0x060100 conventional PCI endpoint
> [ 0.275445] pci 0000:00:1f.3: [8086:06c8] type 00 class 0x040300 conventional PCI endpoint
> [ 0.275517] pci 0000:00:1f.3: BAR 0 [mem 0xc5394000-0xc5397fff 64bit]
> [ 0.275526] pci 0000:00:1f.3: BAR 4 [mem 0xc5000000-0xc50fffff 64bit]
> [ 0.275592] pci 0000:00:1f.3: PME# supported from D3hot D3cold
> [ 0.276041] pci 0000:00:1f.4: [8086:06a3] type 00 class 0x0c0500 conventional PCI endpoint
> [ 0.276086] pci 0000:00:1f.4: BAR 0 [mem 0xc53a1000-0xc53a10ff 64bit]
> [ 0.276098] pci 0000:00:1f.4: BAR 4 [io 0xefa0-0xefbf]
> [ 0.276285] pci 0000:00:1f.5: [8086:06a4] type 00 class 0x0c8000 conventional PCI endpoint
> [ 0.276328] pci 0000:00:1f.5: BAR 0 [mem 0xfe010000-0xfe010fff]
> [ 0.276425] pci 0000:01:00.0: [10de:1f95] type 00 class 0x030000 PCIe Legacy Endpoint
> [ 0.276488] pci 0000:01:00.0: BAR 0 [mem 0xc4000000-0xc4ffffff]
> [ 0.276494] pci 0000:01:00.0: BAR 1 [mem 0xb0000000-0xbfffffff 64bit pref]
> [ 0.276499] pci 0000:01:00.0: BAR 3 [mem 0xc0000000-0xc1ffffff 64bit pref]
> [ 0.276503] pci 0000:01:00.0: BAR 5 [io 0x4000-0x407f]
> [ 0.276507] pci 0000:01:00.0: ROM [mem 0xfff80000-0xffffffff pref]
> [ 0.276575] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold
> [ 0.276602] pci 0000:01:00.0: 63.008 Gb/s available PCIe bandwidth, limited by 8.0 GT/s PCIe x8 link at 0000:00:01.0 (capable of 126.016 Gb/s with 8.0 GT/s PCIe x16 link)
> [ 0.276756] pci 0000:00:01.0: PCI bridge to [bus 01-05]
> [ 0.276835] pci 0000:06:00.0: [15b7:5009] type 00 class 0x010802 PCIe Endpoint
> [ 0.276881] pci 0000:06:00.0: BAR 0 [mem 0xc5200000-0xc5203fff 64bit]
> [ 0.276887] pci 0000:06:00.0: BAR 4 [mem 0xc5204000-0xc52040ff 64bit]
> [ 0.284555] pci 0000:00:1d.0: PCI bridge to [bus 06]
> [ 0.284601] pci 0000:00:1d.5: PCI bridge to [bus 07]
> [ 0.284664] pci 0000:08:00.0: [10ec:5287] type 00 class 0xff0000 PCIe Endpoint
> [ 0.284716] pci 0000:08:00.0: BAR 0 [mem 0xc5105000-0xc5105fff]
> [ 0.284727] pci 0000:08:00.0: ROM [mem 0x00000000-0x0000ffff pref]
> [ 0.284795] pci 0000:08:00.0: supports D1 D2
> [ 0.284797] pci 0000:08:00.0: PME# supported from D1 D2 D3hot D3cold
> [ 0.284905] pci 0000:08:00.1: [10ec:8168] type 00 class 0x020000 PCIe Endpoint
> [ 0.284961] pci 0000:08:00.1: BAR 0 [io 0x3000-0x30ff]
> [ 0.284967] pci 0000:08:00.1: BAR 2 [mem 0xc5104000-0xc5104fff 64bit]
> [ 0.284972] pci 0000:08:00.1: BAR 4 [mem 0xc5100000-0xc5103fff 64bit]
> [ 0.285040] pci 0000:08:00.1: supports D1 D2
> [ 0.285042] pci 0000:08:00.1: PME# supported from D0 D1 D2 D3hot D3cold
> [ 0.285161] pci 0000:00:1d.6: PCI bridge to [bus 08]
> [ 0.285185] pci_bus 0000:00: on NUMA node 0
> [ 0.287093] ACPI: EC: interrupt unblocked
> [ 0.287096] ACPI: EC: event unblocked
> [ 0.287115] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62
> [ 0.287117] ACPI: EC: GPE=0x3
> [ 0.287119] ACPI: \_SB_.PCI0.LPCB.EC__: Boot DSDT EC initialization complete
> [ 0.287122] ACPI: \_SB_.PCI0.LPCB.EC__: EC: Used to handle transactions and events
> [ 0.287204] iommu: Default domain type: Translated
> [ 0.287206] iommu: DMA domain TLB invalidation policy: lazy mode
> [ 0.287213] SCSI subsystem initialized
> [ 0.287213] libata version 3.00 loaded.
> [ 0.287213] ACPI: bus type USB registered
> [ 0.287213] usbcore: registered new interface driver usbfs
> [ 0.287213] usbcore: registered new interface driver hub
> [ 0.287213] usbcore: registered new device driver usb
> [ 0.287213] mc: Linux media interface: v0.10
> [ 0.287213] videodev: Linux video capture interface: v2.00
> [ 0.287213] efivars: Registered efivars operations
> [ 0.287213] Advanced Linux Sound Architecture Driver Initialized.
> [ 0.287213] Bluetooth: Core ver 2.22
> [ 0.287213] NET: Registered PF_BLUETOOTH protocol family
> [ 0.287213] Bluetooth: HCI device and connection manager initialized
> [ 0.287213] Bluetooth: HCI socket layer initialized
> [ 0.287213] Bluetooth: L2CAP socket layer initialized
> [ 0.287213] Bluetooth: SCO socket layer initialized
> [ 0.287213] PCI: Using ACPI for IRQ routing
> [ 0.287213] PCI: pci_cache_line_size set to 64 bytes
> [ 0.287213] e820: reserve RAM buffer [mem 0x0009f000-0x0009ffff]
> [ 0.287213] e820: reserve RAM buffer [mem 0x7e1d9000-0x7fffffff]
> [ 0.287213] e820: reserve RAM buffer [mem 0x8ccef000-0x8fffffff]
> [ 0.287213] e820: reserve RAM buffer [mem 0x8fc50000-0x8fffffff]
> [ 0.287213] e820: reserve RAM buffer [mem 0x860800000-0x863ffffff]
> [ 0.287213] pci 0000:00:02.0: vgaarb: setting as boot VGA device
> [ 0.287213] pci 0000:00:02.0: vgaarb: bridge control possible
> [ 0.287213] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
> [ 0.287213] pci 0000:01:00.0: vgaarb: bridge control possible
> [ 0.287213] pci 0000:01:00.0: vgaarb: VGA device added: decodes=io+mem,owns=none,locks=none
> [ 0.287213] vgaarb: loaded
> [ 0.287213] wmi_bus wmi_bus-PNP0C14:01: [Firmware Info]: 00000000-0000-0000-0000-000000000000 has zero instances
> [ 0.287213] wmi_bus wmi_bus-PNP0C14:01: [Firmware Info]: 00000000-0000-0000-0000-000000000000 has zero instances
> [ 0.287213] wmi_bus wmi_bus-PNP0C14:01: [Firmware Info]: 00000000-0000-0000-0000-000000000000 has zero instances
> [ 0.287213] wmi_bus wmi_bus-PNP0C14:01: [Firmware Info]: 00000000-0000-0000-0000-000000000000 has zero instances
> [ 0.287213] clocksource: Switched to clocksource tsc-early
> [ 0.287213] pnp: PnP ACPI init
> [ 0.287213] system 00:00: [mem 0x40000000-0x403fffff] could not be reserved
> [ 0.287213] system 00:01: [io 0x1800-0x18fe] could not be reserved
> [ 0.287213] system 00:01: [mem 0xfd000000-0xfd69ffff] has been reserved
> [ 0.287213] system 00:01: [mem 0xfd6c0000-0xfd6cffff] has been reserved
> [ 0.287213] system 00:01: [mem 0xfd6f0000-0xfdffffff] has been reserved
> [ 0.287213] system 00:01: [mem 0xfe000000-0xfe01ffff] could not be reserved
> [ 0.287213] system 00:01: [mem 0xfe200000-0xfe7fffff] has been reserved
> [ 0.287213] system 00:01: [mem 0xff000000-0xffffffff] has been reserved
> [ 0.287213] system 00:02: [io 0x2000-0x20fe] has been reserved
> [ 0.287213] pnp 00:03: disabling [io 0x3322-0x3323] because it overlaps 0000:00:1d.6 BAR 7 [io 0x3000-0x3fff]
> [ 0.287213] system 00:03: [io 0x0680-0x069f] has been reserved
> [ 0.287213] system 00:03: [io 0x164e-0x164f] has been reserved
> [ 0.287213] system 00:07: [mem 0xfed10000-0xfed17fff] has been reserved
> [ 0.287213] system 00:07: [mem 0xfed18000-0xfed18fff] has been reserved
> [ 0.287213] system 00:07: [mem 0xfed19000-0xfed19fff] has been reserved
> [ 0.287213] system 00:07: [mem 0xe0000000-0xefffffff] has been reserved
> [ 0.287213] system 00:07: [mem 0xfed20000-0xfed3ffff] has been reserved
> [ 0.287213] system 00:07: [mem 0xfed90000-0xfed93fff] has been reserved
> [ 0.287213] system 00:07: [mem 0xfed45000-0xfed8ffff] could not be reserved
> [ 0.287213] system 00:07: [mem 0xfee00000-0xfeefffff] could not be reserved
> [ 0.287213] system 00:08: [mem 0xfe038000-0xfe038fff] has been reserved
> [ 0.287213] pnp: PnP ACPI: found 9 devices
> [ 0.291398] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
> [ 0.291423] NET: Registered PF_INET protocol family
> [ 0.291568] IP idents hash table entries: 262144 (order: 9, 2097152 bytes, linear)
> [ 0.294758] tcp_listen_portaddr_hash hash table entries: 16384 (order: 6, 262144 bytes, linear)
> [ 0.294789] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)
> [ 0.294800] TCP established hash table entries: 262144 (order: 9, 2097152 bytes, linear)
> [ 0.295066] TCP bind hash table entries: 65536 (order: 9, 2097152 bytes, linear)
> [ 0.295357] TCP: Hash tables configured (established 262144 bind 65536)
> [ 0.295387] UDP hash table entries: 16384 (order: 8, 1048576 bytes, linear)
> [ 0.295520] UDP-Lite hash table entries: 16384 (order: 8, 1048576 bytes, linear)
> [ 0.295685] NET: Registered PF_UNIX/PF_LOCAL protocol family
> [ 0.295699] pci 0000:01:00.0: ROM [mem 0xfff80000-0xffffffff pref]: can't claim; no compatible bridge window
> [ 0.295717] resource: avoiding allocation from e820 entry [mem 0x0009f000-0x000fffff]
> [ 0.295723] pci 0000:00:15.0: BAR 0 [mem 0x9d800000-0x9d800fff 64bit]: assigned
> [ 0.295739] resource: avoiding allocation from e820 entry [mem 0x0009f000-0x000fffff]
> [ 0.295744] pci 0000:00:15.1: BAR 0 [mem 0x9d801000-0x9d801fff 64bit]: assigned
> [ 0.295763] pci 0000:01:00.0: ROM [mem 0xc3000000-0xc307ffff pref]: assigned
> [ 0.295770] pci 0000:00:01.0: PCI bridge to [bus 01-05]
> [ 0.295774] pci 0000:00:01.0: bridge window [io 0x4000-0x4fff]
> [ 0.295781] pci 0000:00:01.0: bridge window [mem 0xc3000000-0xc4ffffff]
> [ 0.295787] pci 0000:00:01.0: bridge window [mem 0xb0000000-0xc1ffffff 64bit pref]
> [ 0.295797] pci 0000:00:1d.0: PCI bridge to [bus 06]
> [ 0.295807] pci 0000:00:1d.0: bridge window [mem 0xc5200000-0xc52fffff]
> [ 0.295817] pci 0000:00:1d.5: PCI bridge to [bus 07]
> [ 0.295830] pci 0000:08:00.0: ROM [mem 0xc5110000-0xc511ffff pref]: assigned
> [ 0.295836] pci 0000:00:1d.6: PCI bridge to [bus 08]
> [ 0.295845] pci 0000:00:1d.6: bridge window [io 0x3000-0x3fff]
> [ 0.295852] pci 0000:00:1d.6: bridge window [mem 0xc5100000-0xc51fffff]
> [ 0.295863] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window]
> [ 0.295868] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window]
> [ 0.295873] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
> [ 0.295879] pci_bus 0000:00: resource 7 [mem 0x9d800000-0xdfffffff window]
> [ 0.295885] pci_bus 0000:00: resource 8 [mem 0xfc800000-0xfe7fffff window]
> [ 0.295891] pci_bus 0000:01: resource 0 [io 0x4000-0x4fff]
> [ 0.295896] pci_bus 0000:01: resource 1 [mem 0xc3000000-0xc4ffffff]
> [ 0.295901] pci_bus 0000:01: resource 2 [mem 0xb0000000-0xc1ffffff 64bit pref]
> [ 0.295907] pci_bus 0000:06: resource 1 [mem 0xc5200000-0xc52fffff]
> [ 0.295913] pci_bus 0000:08: resource 0 [io 0x3000-0x3fff]
> [ 0.295918] pci_bus 0000:08: resource 1 [mem 0xc5100000-0xc51fffff]
> [ 0.298217] PCI: CLS 64 bytes, default 64
> [ 0.298256] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
> [ 0.298258] software IO TLB: mapped [mem 0x0000000087d15000-0x000000008bd15000] (64MB)
> [ 0.298281] Unpacking initramfs...
> [ 0.298282] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer
> [ 0.298286] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules
> [ 0.298288] RAPL PMU: hw unit of domain package 2^-14 Joules
> [ 0.298290] RAPL PMU: hw unit of domain dram 2^-14 Joules
> [ 0.298291] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules
> [ 0.298293] RAPL PMU: hw unit of domain psys 2^-14 Joules
> [ 0.298370] Freeing initrd memory: 96K
> [ 0.298958] Initialise system trusted keyrings
> [ 0.298994] workingset: timestamp_bits=62 max_order=23 bucket_order=0
> [ 0.299325] Key type cifs.spnego registered
> [ 0.299329] Key type cifs.idmap registered
> [ 0.299389] fuse: init (API version 7.44)
> [ 0.299472] cryptd: max_cpu_qlen set to 1000
> [ 0.311210] NET: Registered PF_ALG protocol family
> [ 0.311217] Key type asymmetric registered
> [ 0.311219] Asymmetric key parser 'x509' registered
> [ 0.311232] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
> [ 0.311234] io scheduler mq-deadline registered
> [ 0.312127] Monitor-Mwait will be used to enter C-1 state
> [ 0.312137] Monitor-Mwait will be used to enter C-2 state
> [ 0.312145] Monitor-Mwait will be used to enter C-3 state
> [ 0.312747] ACPI: AC: AC Adapter [AC] (on-line)
> [ 0.312808] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input0
> [ 0.312855] ACPI: button: Power Button [PWRB]
> [ 0.312888] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input1
> [ 0.312925] ACPI: button: Sleep Button [SLPB]
> [ 0.312956] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input2
> [ 0.312990] ACPI: button: Lid Switch [LID0]
> [ 0.313022] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3
> [ 0.313062] ACPI: button: Power Button [PWRF]
> [ 0.314498] ACPI: \_TZ_.TZ0_: _AL0 evaluation failure
> [ 0.314606] thermal LNXTHERM:00: registered as thermal_zone0
> [ 0.314610] ACPI: thermal: Thermal Zone [TZ0] (50 C)
> [ 0.315226] ACPI: battery: Slot [BAT0] (battery present)
> [ 0.318476] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
> [ 0.319031] Linux agpgart interface v0.103
> [ 0.319122] ACPI: bus type drm_connector registered
> [ 0.319243] i915 0000:00:02.0: [drm] Found cometlake (device ID 9bc4) integrated display version 9.00 stepping N/A
> [ 0.319931] i915 0000:00:02.0: vgaarb: deactivate vga console
> [ 0.321011] i915 0000:00:02.0: vgaarb: VGA decodes changed: olddecodes=io+mem,decodes=none:owns=io+mem
> [ 0.321410] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2
> [ 0.321416] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin (-ENOENT). Disabling runtime power management.
> [ 0.321422] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
> [ 0.365885] [drm] Initialized i915 1.6.0 for 0000:00:02.0 on minor 0
> [ 0.366347] ACPI: video: Video Device [PEGP] (multi-head: no rom: yes post: no)
> [ 0.366382] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:00/LNXVIDEO:00/input/input4
> [ 0.367582] ACPI: video: Video Device [GFX0] (multi-head: yes rom: no post: no)
> [ 0.367708] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:01/input/input5
> [ 0.380121] fbcon: i915drmfb (fb0) is primary device
> [ 1.330022] tsc: Refined TSC clocksource calibration: 2592.000 MHz
> [ 1.330031] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x255cb6cc5db, max_idle_ns: 440795203504 ns
> [ 1.330095] clocksource: Switched to clocksource tsc
> [ 2.093111] Console: switching to colour frame buffer device 240x67
> [ 2.109770] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device
> [ 2.110763] rtsx_pci 0000:08:00.0: enabling device (0000 -> 0002)
> [ 2.222493] nvme 0000:06:00.0: platform quirk: setting simple suspend
> [ 2.222585] nvme nvme0: pci function 0000:06:00.0
> [ 2.228641] nvme nvme0: allocated 32 MiB host memory buffer (8 segments).
> [ 2.229952] nvme nvme0: 12/0/0 default/read/poll queues
> [ 2.232752] ahci 0000:00:17.0: AHCI vers 0001.0301, 32 command slots, 6 Gbps, SATA mode
> [ 2.232769] ahci 0000:00:17.0: 1/1 ports implemented (port mask 0x10)
> [ 2.232777] ahci 0000:00:17.0: flags: 64bit ncq sntf pm clo only pio slum part ems deso sadm sds apst
> [ 2.233159] scsi host0: ahci
> [ 2.233275] scsi host1: ahci
> [ 2.233376] scsi host2: ahci
> [ 2.233473] scsi host3: ahci
> [ 2.233567] scsi host4: ahci
> [ 2.233608] ata1: DUMMY
> [ 2.233613] ata2: DUMMY
> [ 2.233616] ata3: DUMMY
> [ 2.233620] ata4: DUMMY
> [ 2.233626] ata5: SATA max UDMA/133 abar m2048 at 0xc53a3000 port 0xc53a3300 irq 125 lpm-pol 0
> [ 2.233868] nvme0n1: p1 p2 p3 p4 p5 p6 p7 p8
> [ 2.234114] xhci_hcd 0000:00:14.0: xHCI Host Controller
> [ 2.234134] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1
> [ 2.235215] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x110 quirks 0x0000000000009810
> [ 2.235424] xhci_hcd 0000:00:14.0: xHCI Host Controller
> [ 2.235433] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2
> [ 2.235443] xhci_hcd 0000:00:14.0: Host supports USB 3.1 Enhanced SuperSpeed
> [ 2.235491] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.16
> [ 2.235504] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> [ 2.235512] usb usb1: Product: xHCI Host Controller
> [ 2.235519] usb usb1: Manufacturer: Linux 6.16.0-rc1+ xhci-hcd
> [ 2.235526] usb usb1: SerialNumber: 0000:00:14.0
> [ 2.235680] hub 1-0:1.0: USB hub found
> [ 2.235706] hub 1-0:1.0: 16 ports detected
> [ 2.237401] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.16
> [ 2.237414] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> [ 2.237422] usb usb2: Product: xHCI Host Controller
> [ 2.237429] usb usb2: Manufacturer: Linux 6.16.0-rc1+ xhci-hcd
> [ 2.237436] usb usb2: SerialNumber: 0000:00:14.0
> [ 2.237932] hub 2-0:1.0: USB hub found
> [ 2.238337] hub 2-0:1.0: 8 ports detected
> [ 2.239183] usb: port power management may be unreliable
> [ 2.240076] usbcore: registered new interface driver usb-storage
> [ 2.240478] usbcore: registered new interface driver ums-realtek
> [ 2.240909] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f03:PS2M] at 0x60,0x64 irq 1,12
> [ 2.864710] i8042: Detected active multiplexing controller, rev 1.1
> [ 2.868036] serio: i8042 KBD port at 0x60,0x64 irq 1
> [ 2.868423] serio: i8042 AUX0 port at 0x60,0x64 irq 12
> [ 2.868802] serio: i8042 AUX1 port at 0x60,0x64 irq 12
> [ 2.869173] serio: i8042 AUX2 port at 0x60,0x64 irq 12
> [ 2.869539] serio: i8042 AUX3 port at 0x60,0x64 irq 12
> [ 2.870083] mousedev: PS/2 mouse device common for all mice
> [ 2.870837] rtc_cmos 00:04: RTC can wake from S4
> [ 2.872190] rtc_cmos 00:04: registered as rtc0
> [ 2.872719] rtc_cmos 00:04: setting system clock to 2025-07-11T12:03:55 UTC (1752235435)
> [ 2.873084] rtc_cmos 00:04: alarms up to one month, y3k, 242 bytes nvram
> [ 2.873443] i2c_dev: i2c /dev entries driver
> [ 2.874764] intel_pstate: Intel P-state driver initializing
> [ 2.875239] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input6
> [ 2.875900] intel_pstate: HWP enabled
> [ 2.876262] NET: Registered PF_PACKET protocol family
> [ 2.876471] NET: Registered PF_KEY protocol family
> [ 2.876677] Key type dns_resolver registered
> [ 2.885858] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
> [ 2.886524] microcode: Current revision: 0x00000100
> [ 2.886735] microcode: Updated early from: 0x000000c8
> [ 2.887330] IPI shorthand broadcast: enabled
> [ 2.888740] sched_clock: Marking stable (2881675719, 5632127)->(2920355457, -33047611)
> [ 2.889154] registered taskstats version 1
> [ 2.889354] Loading compiled-in X.509 certificates
> [ 2.962838] ata5: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
> [ 2.994184] ata5.00: ATA-10: ST2000LM015-2E8174, 0001, max UDMA/133
> [ 3.066201] ata5.00: 3907029168 sectors, multi 16: LBA48 NCQ (depth 32), AA
> [ 3.089932] usb 1-8: new high-speed USB device number 2 using xhci_hcd
> [ 3.117001] ata5.00: configured for UDMA/133
> [ 3.117261] scsi 4:0:0:0: Direct-Access ATA ST2000LM015-2E81 0001 PQ: 0 ANSI: 5
> [ 3.117610] sd 4:0:0:0: Attached scsi generic sg0 type 0
> [ 3.117627] sd 4:0:0:0: [sda] 3907029168 512-byte logical blocks: (2.00 TB/1.82 TiB)
> [ 3.118076] sd 4:0:0:0: [sda] 4096-byte physical blocks
> [ 3.118269] sd 4:0:0:0: [sda] Write Protect is off
> [ 3.118454] sd 4:0:0:0: [sda] Mode Sense: 00 3a 00 00
> [ 3.118460] sd 4:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> [ 3.118661] sd 4:0:0:0: [sda] Preferred minimum I/O size 4096 bytes
> [ 3.214333] sda: sda1 sda2 sda3 sda4 sda5 sda6 sda7 sda8 sda9
> [ 3.215066] sd 4:0:0:0: [sda] Attached SCSI disk
> [ 3.237328] PM: Image not found (code -22)
> [ 3.237331] clk: Disabling unused clocks
> [ 3.237546] ALSA device list:
> [ 3.237756] No soundcards found.
> [ 3.241828] EXT4-fs (nvme0n1p4): mounted filesystem b767471d-f668-40d4-a6e0-1b2a0a1725f0 ro with ordered data mode. Quota mode: disabled.
> [ 3.242084] VFS: Mounted root (ext4 filesystem) readonly on device 259:4.
> [ 3.242782] devtmpfs: mounted
> [ 3.243295] usb 1-8: New USB device found, idVendor=04f2, idProduct=b685, bcdDevice=54.04
> [ 3.243454] Freeing unused kernel image (initmem) memory: 2172K
> [ 3.243527] usb 1-8: New USB device strings: Mfr=2, Product=1, SerialNumber=0
> [ 3.243743] Write protecting the kernel read-only data: 20480k
> [ 3.243945] usb 1-8: Product: Chicony USB2.0 Camera
> [ 3.244424] usb 1-8: Manufacturer: Sonix Technology Co., Ltd.
> [ 3.245442] Freeing unused kernel image (text/rodata gap) memory: 224K
> [ 3.246063] Freeing unused kernel image (rodata/data gap) memory: 1476K
> [ 3.254556] x86/mm: Checked W+X mappings: passed, no W+X pages found.
> [ 3.254776] Run /sbin/init as init process
> [ 3.254993] with arguments:
> [ 3.254994] /sbin/init
> [ 3.254994] with environment:
> [ 3.254995] HOME=/
> [ 3.254995] TERM=linux
> [ 3.254996] BOOT_IMAGE=/boot/vmlinuz-6.16.0-rc1+
> [ 3.365667] usb 1-14: new full-speed USB device number 3 using xhci_hcd
> [ 3.430466] intel-lpss 0000:00:15.0: enabling device (0004 -> 0006)
> [ 3.432490] intel-lpss 0000:00:15.1: enabling device (0004 -> 0006)
> [ 3.433324] mei_me 0000:00:16.0: enabling device (0000 -> 0002)
> [ 3.433454] i801_smbus 0000:00:1f.4: SPD Write Disable is set
> [ 3.433988] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt
> [ 3.435726] i2c i2c-6: Successfully instantiated SPD at 0x50
> [ 3.438784] mmc0: cannot verify signal voltage switch
> [ 3.456227] snd_hda_intel 0000:00:1f.3: enabling device (0000 -> 0002)
> [ 3.457334] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops 0xffffffffbc4a99c0)
> [ 3.459261] r8169 0000:08:00.1 eth0: RTL8411b, 80:fa:5b:84:b0:5f, XID 5c8, IRQ 141
> [ 3.459614] r8169 0000:08:00.1 eth0: jumbo features [frames: 9194 bytes, tx checksumming: ko]
> [ 3.503913] usb 1-14: New USB device found, idVendor=8087, idProduct=0026, bcdDevice= 0.02
> [ 3.504205] usb 1-14: New USB device strings: Mfr=0, Product=0, SerialNumber=0
> [ 3.512673] snd_hda_codec_realtek hdaudioC0D0: ALC293: picked fixup for PCI SSID 1558:8668
> [ 3.513669] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC293: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
> [ 3.514067] snd_hda_codec_realtek hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
> [ 3.514463] snd_hda_codec_realtek hdaudioC0D0: hp_outs=1 (0x15/0x0/0x0/0x0/0x0)
> [ 3.514854] snd_hda_codec_realtek hdaudioC0D0: mono: mono_out=0x0
> [ 3.515193] snd_hda_codec_realtek hdaudioC0D0: inputs:
> [ 3.515564] snd_hda_codec_realtek hdaudioC0D0: Internal Mic=0x12
> [ 3.515952] snd_hda_codec_realtek hdaudioC0D0: Front Mic=0x18
> [ 3.516349] snd_hda_codec_realtek hdaudioC0D0: Headset Mic=0x1a
> [ 3.527621] MXM: GUID detected in BIOS
> [ 3.528165] pci 0000:01:00.0: optimus capabilities: enabled, status dynamic power, hda bios codec supported
> [ 3.528512] VGA switcheroo: detected Optimus DSM method \_SB_.PCI0.PEG0.PEGP handle
> [ 3.528882] nouveau: detected PR support, will not use DSM
> [ 3.529413] nouveau 0000:01:00.0: enabling device (0006 -> 0007)
> [ 3.529948] nouveau 0000:01:00.0: NVIDIA TU117 (167000a1)
> [ 3.535664] usb 1-8: Found UVC 1.00 device Chicony USB2.0 Camera (04f2:b685)
> [ 3.543565] usbcore: registered new interface driver uvcvideo
> [ 3.552562] usbcore: registered new interface driver btusb
> [ 3.553675] mmc0: new UHS-I speed SDR104 SDHC card at address aaaa
> [ 3.554074] mmcblk0: mmc0:aaaa SC32G 29.7 GiB
> [ 3.556268] mmcblk0: p1
> [ 3.561631] Bluetooth: hci0: Found device firmware: intel/ibt-19-0-4.sfi
> [ 3.561918] Bluetooth: hci0: Boot Address: 0x24800
> [ 3.562149] Bluetooth: hci0: Firmware Version: 132-3.24
> [ 3.562379] Bluetooth: hci0: Firmware already loaded
> [ 3.565901] Bluetooth: hci0: HCI LE Coded PHY feature bit is set, but its usage is not supported.
> [ 3.577892] input: HDA Intel PCH Front Mic as /devices/pci0000:00/0000:00:1f.3/sound/card0/input11
> [ 3.578248] input: HDA Intel PCH Front Headphone as /devices/pci0000:00/0000:00:1f.3/sound/card0/input12
> [ 3.578574] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input13
> [ 3.578931] input: HDA Intel PCH HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input14
> [ 3.579244] input: HDA Intel PCH HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input15
> [ 3.613028] nouveau 0000:01:00.0: bios: version 90.17.42.00.36
> [ 3.614727] nouveau 0000:01:00.0: pmu: firmware unavailable
> [ 3.617275] nouveau 0000:01:00.0: fb: 4096 MiB GDDR6
> [ 3.662785] vga_switcheroo: enabled
> [ 3.663054] nouveau 0000:01:00.0: drm: VRAM: 4096 MiB
> [ 3.663258] nouveau 0000:01:00.0: drm: GART: 536870912 MiB
> [ 3.663461] nouveau 0000:01:00.0: drm: BIT table 'A' not found
> [ 3.663671] nouveau 0000:01:00.0: drm: BIT table 'L' not found
> [ 3.663871] nouveau 0000:01:00.0: drm: TMDS table version 2.0
> [ 3.664548] nouveau 0000:01:00.0: drm: MM: using COPY for buffer copies
> [ 3.665084] [drm] Initialized nouveau 1.4.0 for 0000:01:00.0 on minor 1
> [ 3.665312] nouveau 0000:01:00.0: [drm] No compatible format found
> [ 3.665513] nouveau 0000:01:00.0: [drm] Cannot find any crtc or sizes
> [ 3.665798] nouveau 0000:01:00.0: drm: Disabling PCI power management to avoid bug
> [ 5.867873] Adding 65535996k swap on /dev/sda5. Priority:1 extents:1 across:65535996k
> [ 5.910055] EXT4-fs (nvme0n1p4): re-mounted b767471d-f668-40d4-a6e0-1b2a0a1725f0.
> [ 5.940567] EXT4-fs (nvme0n1p4): re-mounted b767471d-f668-40d4-a6e0-1b2a0a1725f0 r/w.
> [ 6.038466] EXT4-fs (sda2): mounted filesystem 2c2b28d1-e737-40ab-9bd6-d0e29f0e6c1d r/w with ordered data mode. Quota mode: disabled.
> [ 6.310034] EXT4-fs (sda6): mounted filesystem 0cc4bd15-983d-4064-8479-ffd5757fbb12 r/w with ordered data mode. Quota mode: disabled.
> [ 6.394138] EXT4-fs (sda8): mounted filesystem cc547c90-65be-4279-a6bc-cd33137355ca r/w with ordered data mode. Quota mode: disabled.
> [ 6.521037] EXT4-fs (sda9): mounted filesystem c277df28-daed-4d3a-9c12-9009d53ad75e r/w with ordered data mode. Quota mode: disabled.
> [ 8.502114] Generic FE-GE Realtek PHY r8169-0-801:00: attached PHY driver (mii_bus:phy_addr=r8169-0-801:00, irq=MAC)
> [ 8.635903] r8169 0000:08:00.1 eth0: No native access to PCI extended config space, falling back to CSI
> [ 8.662295] r8169 0000:08:00.1 eth0: Link is Down
> [ 10.864929] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
> [ 10.864931] Bluetooth: BNEP filters: protocol multicast
> [ 10.864934] Bluetooth: BNEP socket layer initialized
> [ 10.866874] Bluetooth: MGMT ver 1.23
> [ 11.618226] r8169 0000:08:00.1 eth0: Link is Up - 1Gbps/Full - flow control rx/tx
> [ 12.230612] CIFS: enabling forceuid mount option implicitly because uid= option is specified
> [ 12.230614] CIFS: enabling forcegid mount option implicitly because gid= option is specified
> [ 12.230614] CIFS: Attempting to mount //nas/Share
> [ 14.540553] CIFS: enabling forceuid mount option implicitly because uid= option is specified
> [ 14.540555] CIFS: enabling forcegid mount option implicitly because gid= option is specified
> [ 14.540556] CIFS: Attempting to mount //nas/Media
> [ 17.823511] ------------[ cut here ]------------
> [ 17.823513] WARNING: CPU: 11 PID: 1236 at drivers/gpu/drm/drm_gem.c:286 drm_gem_object_handle_put_unlocked+0xa5/0xe0
> [ 17.823517] Modules linked in: bnep xt_MASQUERADE iptable_nat nf_nat xt_LOG nf_log_syslog xt_limit xt_multiport xt_conntrack iptable_filter nf_conntrack_ftp xt_CT nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_raw ip_tables ntfs3 snd_hda_codec_hdmi btusb btrtl btbcm btmtk btintel uvcvideo videobuf2_vmalloc uvc videobuf2_memops videobuf2_v4l2 videobuf2_common snd_hda_codec_realtek nouveau snd_hda_codec_generic snd_hda_scodec_component drm_ttm_helper gpu_sched snd_hda_intel coretemp snd_intel_dspcfg hwmon x86_pkg_temp_thermal wmi_bmof drm_gpuvm snd_hda_codec r8169 mei_me drm_exec snd_hwdep i2c_i801 intel_lpss_pci snd_hda_core mei i2c_smbus intel_lpss i2c_hid_acpi i2c_hid uhid hid uinput
> [ 17.823540] CPU: 11 UID: 0 PID: 1236 Comm: Xorg Not tainted 6.16.0-rc1+ #688 PREEMPT(lazy)
> [ 17.823541] Hardware name: Notebook NP50DE_DB /NP50DE_DB , BIOS 1.07.04 02/17/2020
> [ 17.823542] RIP: 0010:drm_gem_object_handle_put_unlocked+0xa5/0xe0
> [ 17.823544] Code: 41 ce 5f 00 48 89 ef e8 89 5e 5f 00 eb d8 48 8b 43 08 48 8d b8 e8 05 00 00 e8 57 ed 5b 00 c7 83 e0 00 00 00 00 00 00 00 eb 98 <0f> 0b e9 14 ce 5f 00 48 8b 83 40 01 00 00 48 8b 00 48 85 c0 74 19
> [ 17.823545] RSP: 0018:ffff9b5ac1d5bd38 EFLAGS: 00010246
> [ 17.823546] RAX: 0000000000000000 RBX: ffff96300267cc00 RCX: 0000000000000001
> [ 17.823547] RDX: 000000000000447b RSI: ffffffffbd13df00 RDI: ffff96300267cc00
> [ 17.823548] RBP: ffff963002b59600 R08: ffff96300267ccc8 R09: ffffffffbbde3864
> [ 17.823549] R10: ffffdc3a8404b100 R11: ffff9630012c4940 R12: ffff96300bfd6800
> [ 17.823549] R13: ffffffffbbdbce10 R14: ffff9b5ac1d5be00 R15: 0000000000000001
> [ 17.823550] FS: 00007fcc29b9d080(0000) GS:ffff9637835a5000(0000) knlGS:0000000000000000
> [ 17.823551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 17.823552] CR2: 00007fcc2afb2110 CR3: 0000000106ba9006 CR4: 00000000007706f0
> [ 17.823552] PKRU: 55555554
> [ 17.823553] Call Trace:
> [ 17.823554] <TASK>
> [ 17.823555] drm_gem_handle_delete+0x7f/0xd0
> [ 17.823556] ? __pfx_drm_mode_destroy_dumb_ioctl+0x10/0x10
> [ 17.823558] drm_ioctl_kernel+0x9d/0xf0
> [ 17.823560] drm_ioctl+0x217/0x4c0
> [ 17.823561] ? __pfx_drm_mode_destroy_dumb_ioctl+0x10/0x10
> [ 17.823562] ? rpm_suspend+0x25e/0x5f0
> [ 17.823564] nouveau_drm_ioctl+0x4f/0xa0 [nouveau]
> [ 17.823623] __x64_sys_ioctl+0x7d/0xd0
> [ 17.823625] do_syscall_64+0x4c/0x1d0
> [ 17.823627] entry_SYSCALL_64_after_hwframe+0x76/0x7e
> [ 17.823629] RIP: 0033:0x7fcc2ab14c87
> [ 17.823630] Code: 3c 1c e8 2c ff ff ff 85 c0 79 97 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b1 11 0d 00 f7 d8 64 89 01 48
> [ 17.823630] RSP: 002b:00007fff6650e808 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
> [ 17.823632] RAX: ffffffffffffffda RBX: 000000000e74dcc0 RCX: 00007fcc2ab14c87
> [ 17.823633] RDX: 00007fff6650e85c RSI: 00000000c00464b4 RDI: 0000000000000013
> [ 17.823633] RBP: 00007fff6650e830 R08: 0000000000000020 R09: 0000000000000100
> [ 17.823634] R10: 00007fcc2ac4a800 R11: 0000000000000246 R12: 00007fff6650e85c
> [ 17.823635] R13: 00000000c00464b4 R14: 0000000000000013 R15: 000000000e72f390
> [ 17.823636] </TASK>
> [ 17.823636] ---[ end trace 0000000000000000 ]---
> [ 24.701841] nvme nvme0: using unchecked data buffer
> [ 24.707904] block nvme0n1: No UUID available providing old NGUID
> [ 25.044868] EXT4-fs (mmcblk0p1): mounted filesystem 4029118a-5c99-4829-a3e0-8e266348e8f5 r/w with ordered data mode. Quota mode: disabled.
> [ 26.850485] input: LOGI M240 Mouse as /devices/virtual/misc/uhid/0005:046D:B03A.0001/input/input16
> [ 26.850535] hid-generic 0005:046D:B03A.0001: input: BLUETOOTH HID v0.09 Mouse [LOGI M240] on 34:7d:f6:df:83:1e
> [ 27.317702] Bluetooth: RFCOMM TTY layer initialized
> [ 27.317708] Bluetooth: RFCOMM socket layer initialized
> [ 27.317712] Bluetooth: RFCOMM ver 1.11
> # bad: [d7b8f8e20813f0179d8ef519541a3527e7661d3a] Linux 6.16-rc5
> # good: [d0b3b7b22dfa1f4b515fd3a295b3fd958f9e81af] Linux 6.16-rc4
> git bisect start 'v6.16-rc5' 'v6.16-rc4'
> # good: [923d401238c590f39833a2015f6f9493f146d98f] Merge tag 'iommu-fixes-v6.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
> git bisect good 923d401238c590f39833a2015f6f9493f146d98f
> # bad: [3c2bd251d2039ce2778c35ced5ef47b3a379f5df] Merge tag 'usb-6.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
> git bisect bad 3c2bd251d2039ce2778c35ced5ef47b3a379f5df
> # bad: [da8d8e9001c6a3741e9bec26a6cdcfd75ecabc88] Merge tag 'drm-xe-fixes-2025-07-03' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
> git bisect bad da8d8e9001c6a3741e9bec26a6cdcfd75ecabc88
> # bad: [b91e11ec5cd972dc39121496c3a0cf2ec2e9a393] Merge tag 'drm-misc-fixes-2025-07-03' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
> git bisect bad b91e11ec5cd972dc39121496c3a0cf2ec2e9a393
> # good: [8af39ec5cf2be522c8eb43a3d8005ed59e4daaee] drm/sched: Increment job count before swapping tail spsc queue
> git bisect good 8af39ec5cf2be522c8eb43a3d8005ed59e4daaee
> # good: [34659c1a1f4fd4c148ab13e13b11fd64df01ffcd] drm/amdkfd: add hqd_sdma_get_doorbell callbacks for gfx7/8
> git bisect good 34659c1a1f4fd4c148ab13e13b11fd64df01ffcd
> # good: [bf906c988d77d9cdfb52a7d19ad9b183991271a3] Merge tag 'amd-drm-fixes-6.16-2025-07-01' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
> git bisect good bf906c988d77d9cdfb52a7d19ad9b183991271a3
> # bad: [226862f50a7a88e4e4de9abbf36c64d19acd6fd0] drm/v3d: Disable interrupts before resetting the GPU
> git bisect bad 226862f50a7a88e4e4de9abbf36c64d19acd6fd0
> # bad: [5307dce878d4126e1b375587318955bd019c3741] drm/gem: Acquire references on GEM handles for framebuffers
> git bisect bad 5307dce878d4126e1b375587318955bd019c3741
> # first bad commit: [5307dce878d4126e1b375587318955bd019c3741] drm/gem: Acquire references on GEM handles for framebuffers
--
Simona Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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