Flood of RIPs in DRM driver starting with 6.16-rc5
Simona Vetter
simona.vetter at ffwll.ch
Tue Jul 8 07:31:53 UTC 2025
On Mon, Jul 07, 2025 at 05:21:00PM -0500, Steve French wrote:
> I also see it manually building 6.16-rc4 from Saturday (not just
> seeing it with Ubuntu's daily build and mainline rc5 build), and are
> happening multiple times a second.
Should get addressed by this one here I think:
https://lore.kernel.org/dri-devel/20250707131224.249496-1-tzimmermann@suse.de/
Thanks for the report!
-Sima
>
> 6.16.0-rc4+ #64 PREEMPT(voluntary)
> [ 519.392263] Tainted: [W]=WARN
> [ 519.392286] Hardware name: LENOVO 20MAS08500/20MAS08500, BIOS
> N2CET70W (1.53 ) 03/11/2024
> [ 519.392313] RIP: 0010:drm_gem_object_handle_put_unlocked+0x135/0x1a0
> [ 519.392363] Code: 48 8b 43 08 48 63 f5 48 8d b8 f8 0c 00 00 e8 c2
> 8b 99 00 4c 89 f7 e8 6a d2 50 ff c7 83 18 01 00 00 00 00 00 00 e9 4e
> ff ff ff <0f> 0b 5b 5d 41 5c 41 5d 41 5e 31 c0 31 f6 31 ff c3 cc cc cc
> cc 48
> [ 519.392401] RSP: 0018:ffff8881a542fa88 EFLAGS: 00010246
> [ 519.392443] RAX: 0000000000000000 RBX: ffff888196ee4000 RCX: 0000000000000000
> [ 519.392536] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
> [ 519.392566] RBP: ffff888196ee4004 R08: 0000000000000000 R09: 0000000000000000
> [ 519.392595] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881017b4000
> [ 519.392624] R13: ffff888196ee4008 R14: ffff8881602bfc48 R15: ffff8881af771080
> [ 519.392657] FS: 00007a43b692b6c0(0000) GS:ffff8888713bc000(0000)
> knlGS:0000000000000000
> [ 519.392692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 519.392722] CR2: 00007a4349384000 CR3: 000000010ba80005 CR4: 00000000003726f0
> [ 519.392754] Call Trace:
> [ 519.392779] <TASK>
> [ 519.392821] drm_gem_fb_destroy+0x5c/0xb0
> [ 519.392884] drm_mode_closefb_ioctl+0xba/0x100
> [ 519.392936] ? __pfx_drm_mode_closefb_ioctl+0x10/0x10
> [ 519.392976] drm_ioctl_kernel+0x132/0x1e0
> [ 519.393037] ? __pfx_drm_ioctl_kernel+0x10/0x10
> [ 519.393083] ? lock_release+0xcf/0x2b0
> [ 519.393176] drm_ioctl+0x3d4/0x710
> [ 519.393245] ? __pfx_drm_mode_closefb_ioctl+0x10/0x10
> [ 519.393299] ? __pfx_drm_ioctl+0x10/0x10
> [ 519.393415] ? rcu_is_watching+0x1c/0x50
> [ 519.393454] ? trace_irq_enable.constprop.0+0xb4/0xf0
> [ 519.393557] ? _raw_spin_unlock_irqrestore+0x4a/0x70
> [ 519.393627] nouveau_drm_ioctl+0x89/0x110 [nouveau]
> [ 519.397112] __x64_sys_ioctl+0xc8/0x130
> [ 519.397158] ? rcu_is_watching+0x1c/0x50
> [ 519.397212] do_syscall_64+0x91/0x550
> [ 519.397252] ? ksys_read+0x158/0x170
> [ 519.397303] ? __pfx_ksys_read+0x10/0x10
> [ 519.397357] ? trace_irq_enable.constprop.0+0xb4/0xf0
> [ 519.397408] ? do_syscall_64+0x1c2/0x550
> [ 519.397449] ? rcu_is_watching+0x1c/0x50
> [ 519.397535] ? trace_irq_enable.constprop.0+0xb4/0xf0
> [ 519.397588] ? do_syscall_64+0x1c2/0x550
> [ 519.397626] ? handle_softirqs+0x4d5/0x640
> [ 519.397699] ? __pfx_handle_softirqs+0x10/0x10
> [ 519.397759] ? sched_core_idle_cpu+0x6d/0x160
> [ 519.397806] ? rcu_is_watching+0x1c/0x50
> [ 519.397846] ? trace_irq_enable.constprop.0+0xb4/0xf0
> [ 519.397889] ? lockdep_hardirqs_on_prepare+0xfe/0x210
> [ 519.397953] entry_SYSCALL_64_after_hwframe+0x76/0x7e
> [ 519.397995] RIP: 0033:0x7a43c4d24ded
> [ 519.398032] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10
> c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00
> 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00
> 00 00
> [ 519.398072] RSP: 002b:00007fff1befc240 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000010
> [ 519.398118] RAX: ffffffffffffffda RBX: 00005f07243655a0 RCX: 00007a43c4d24ded
> [ 519.398151] RDX: 00007fff1befc2d0 RSI: 00000000c00864d0 RDI: 000000000000000c
> [ 519.398181] RBP: 00007fff1befc290 R08: 0000000000000000 R09: 0000000000000220
> [ 519.398211] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fff1befc2d0
> [ 519.398241] R13: 00000000c00864d0 R14: 000000000000000c R15: 000000001ef049c5
> [ 519.398350] </TASK>
> [ 519.398373] irq event stamp: 10107687
> [ 519.398396] hardirqs last enabled at (10107693):
> [<ffffffff9f728462>] __up_console_sem+0x62/0x80
> [ 519.398441] hardirqs last disabled at (10107698):
> [<ffffffff9f728447>] __up_console_sem+0x47/0x80
> [ 519.398530] softirqs last enabled at (10105846):
> [<ffffffff9f6093d8>] __irq_exit_rcu+0x158/0x180
> [ 519.398579] softirqs last disabled at (10105841):
> [<ffffffff9f6093d8>] __irq_exit_rcu+0x158/0x180
> [ 519.398626] ---[ end trace 0000000000000000 ]---
> [ 519.987964] ------------[ cut here ]------------
> [ 519.987996] WARNING: CPU: 1 PID: 2513 at
> drivers/gpu/drm/drm_gem.c:286
> drm_gem_object_handle_put_unlocked+0x135/0x1a0
> [ 519.988067] Modules linked in: snd_seq_dummy snd_hrtimer
> snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device
> rfcomm xt_conntrack nft_chain_nat xt_MASQUERADE nf_nat nf_conntrack
> nf_defrag_ipv6 nf_defrag_ipv4 bridge stp llc xfrm_user xfrm_algo
> cachefiles xt_addrtype nft_compat nls_utf8 nf_tables cifs cifs_arc4
> nls_ucs2_utils cifs_md4 netfs ccm overlay qrtr cmac algif_hash
> algif_skcipher af_alg bnep snd_sof_pci_intel_cnl
> snd_sof_intel_hda_generic soundwire_intel snd_sof_intel_hda_sdw_bpt
> snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink
> snd_sof_intel_hda soundwire_cadence snd_sof_pci snd_sof_xtensa_dsp
> snd_sof snd_sof_utils snd_soc_acpi_intel_match
> snd_soc_acpi_intel_sdca_quirks soundwire_generic_allocation
> snd_soc_acpi soundwire_bus snd_soc_sdca crc8 snd_soc_avs
> snd_soc_hda_codec snd_hda_ext_core snd_soc_core snd_hda_codec_hdmi
> snd_compress ac97_bus snd_pcm_dmaengine intel_uncore_frequency
> intel_uncore_frequency_common snd_hda_codec_realtek
> snd_hda_codec_generic snd_hda_scodec_component
> [ 519.989387] intel_tcc_cooling x86_pkg_temp_thermal
> intel_powerclamp coretemp kvm_intel snd_hda_intel iwlmvm
> snd_intel_dspcfg binfmt_misc snd_intel_sdw_acpi cmdlinepart kvm
> uvcvideo spi_nor ee1004 snd_hda_codec mac80211
> processor_thermal_device_pci_legacy irqbypass elan_i2c btusb
> videobuf2_vmalloc processor_thermal_device polyval_clmulni uvc mtd
> mei_hdcp snd_hda_core processor_thermal_wt_hint mei_pxp
> videobuf2_memops ghash_clmulni_intel btrtl sha1_ssse3
> platform_temperature_control snd_hwdep videobuf2_v4l2 btintel
> processor_thermal_rfim videobuf2_common aesni_intel nvidiafb
> processor_thermal_rapl btbcm snd_ctl_led nls_iso8859_1 intel_rapl_msr
> libarc4 sch_fq_codel iwlwifi snd_pcm btmtk i2c_i801 videodev think_lmi
> vgastate intel_rapl_common spi_intel_pci rapl i2c_mux mei_me
> processor_thermal_wt_req bluetooth intel_cstate intel_wmi_thunderbolt
> firmware_attributes_class mc wmi_bmof snd_timer fb_ddc i2c_smbus
> spi_intel cfg80211 processor_thermal_power_floor
> processor_thermal_mbox mei intel_soc_dts_iosf intel_pch_thermal
> [ 519.991069] thinkpad_acpi nvram int3403_thermal
> int340x_thermal_zone intel_pmc_core pmt_telemetry pmt_class
> intel_pmc_ssram_telemetry int3400_thermal acpi_pad intel_vsec
> acpi_thermal_rel input_leds joydev mac_hid serio_raw nouveau mxm_wmi
> drm_gpuvm gpu_sched drm_ttm_helper ttm drm_exec drm_display_helper cec
> rc_core i2c_algo_bit msr parport_pc nfsd ppdev lp parport auth_rpcgss
> nfs_acl nvme_fabrics lockd efi_pstore grace sunrpc nfnetlink dmi_sysfs
> ip_tables x_tables autofs4 xfs btrfs blake2b_generic raid10 raid456
> async_raid6_recov async_memcpy async_pq async_xor async_tx xor
> raid6_pq raid1 raid0 8250_dw snd soundcore wacom video nvme
> hid_generic ucsi_acpi typec_ucsi rtsx_pci_sdmmc nvme_core
> intel_lpss_pci typec usbhid intel_lpss nvme_keyring psmouse e1000e hid
> nvme_auth rtsx_pci thunderbolt idma64 sparse_keymap platform_profile
> wmi pinctrl_cannonlake
> [ 519.993135] CPU: 1 UID: 1000 PID: 2513 Comm: gnome-shell Tainted: G
> W 6.16.0-rc4+ #64 PREEMPT(voluntary)
> [ 519.993193] Tainted: [W]=WARN
> [ 519.993217] Hardware name: LENOVO 20MAS08500/20MAS08500, BIOS
> N2CET70W (1.53 ) 03/11/2024
> [ 519.993245] RIP: 0010:drm_gem_object_handle_put_unlocked+0x135/0x1a0
> [ 519.993298] Code: 48 8b 43 08 48 63 f5 48 8d b8 f8 0c 00 00 e8 c2
> 8b 99 00 4c 89 f7 e8 6a d2 50 ff c7 83 18 01 00 00 00 00 00 00 e9 4e
> ff ff ff <0f> 0b 5b 5d 41 5c 41 5d 41 5e 31 c0 31 f6 31 ff c3 cc cc cc
> cc 48
> [ 519.993338] RSP: 0018:ffff8881a542f958 EFLAGS: 00010246
> [ 519.993381] RAX: 0000000000000000 RBX: ffff888128788000 RCX: 0000000000000000
> [ 519.993413] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
> [ 519.993441] RBP: ffff888128788004 R08: 0000000000000000 R09: 0000000000000000
> [ 519.993472] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881017b4000
> [ 519.993501] R13: ffff888128788008 R14: ffff8881602be848 R15: ffff8881af771080
> [ 519.993535] FS: 00007a43b692b6c0(0000) GS:ffff888870ebc000(0000)
> knlGS:0000000000000000
> [ 519.993661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 519.993707] CR2: 000031ac05bee400 CR3: 000000010ba80001 CR4: 00000000003726f0
> [ 519.993752] Call Trace:
> [ 519.993788] <TASK>
> [ 519.993847] drm_gem_fb_destroy+0x5c/0xb0
> [ 519.993938] drm_mode_closefb_ioctl+0xba/0x100
> [ 519.994014] ? __pfx_drm_mode_closefb_ioctl+0x10/0x10
> [ 519.994071] drm_ioctl_kernel+0x132/0x1e0
> [ 519.994159] ? __pfx_drm_ioctl_kernel+0x10/0x10
> [ 519.994226] ? lock_release+0xcf/0x2b0
> [ 519.994359] drm_ioctl+0x3d4/0x710
> [ 519.994462] ? __pfx_drm_mode_closefb_ioctl+0x10/0x10
> [ 519.994542] ? __pfx_drm_ioctl+0x10/0x10
> [ 519.994774] ? rcu_is_watching+0x1c/0x50
> [ 519.994838] ? trace_irq_enable.constprop.0+0xb4/0xf0
> [ 519.994913] ? _raw_spin_unlock_irqrestore+0x4a/0x70
> [ 519.995012] nouveau_drm_ioctl+0x89/0x110 [nouveau]
> [ 519.999658] __x64_sys_ioctl+0xc8/0x130
> [ 519.999724] ? rcu_is_watching+0x1c/0x50
> [ 519.999802] do_syscall_64+0x91/0x550
> [ 519.999900] ? __lock_acquire+0x466/0x28c0
> [ 520.000001] ? do_raw_spin_lock+0x116/0x1c0
> [ 520.000072] ? __pfx_do_raw_spin_lock+0x10/0x10
> [ 520.000129] ? rb_insert_color+0x2a/0x2a0
> [ 520.000229] ? lock_acquire+0x16e/0x300
> [ 520.000300] ? ktime_get+0x24/0x140
> [ 520.000360] ? find_held_lock+0x2b/0x90
> [ 520.000427] ? ktime_get+0x24/0x140
> [ 520.000487] ? lock_release+0xcf/0x2b0
> [ 520.000658] ? ktime_get+0x7b/0x140
> [ 520.000737] ? lapic_next_deadline+0x22/0x40
> [ 520.000790] ? clockevents_program_event+0xf8/0x190
> [ 520.000873] ? hrtimer_interrupt+0x371/0x3c0
> [ 520.000987] ? sched_core_idle_cpu+0x6d/0x160
> [ 520.001056] ? rcu_is_watching+0x1c/0x50
> [ 520.001113] ? trace_irq_enable.constprop.0+0xb4/0xf0
> [ 520.001176] ? lockdep_hardirqs_on_prepare+0xfe/0x210
> [ 520.001269] entry_SYSCALL_64_after_hwframe+0x76/0x7e
> [ 520.001329] RIP: 0033:0x7a43c4d24ded
> [ 520.001382] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10
> c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00
> 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00
> 00 00
> [ 520.001435] RSP: 002b:00007fff1befc240 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000010
> [ 520.001500] RAX: ffffffffffffffda RBX: 00005f0721ae1400 RCX: 00007a43c4d24ded
> [ 520.001545] RDX: 00007fff1befc2d0 RSI: 00000000c00864d0 RDI: 000000000000000c
> [ 520.001668] RBP: 00007fff1befc290 R08: 0000000000000000 R09: 0000000000001168
> [ 520.001713] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fff1befc2d0
> [ 520.001755] R13: 00000000c00864d0 R14: 000000000000000c R15: 000000001ef9711b
> [ 520.001912] </TASK>
> [ 520.001946] irq event stamp: 10111849
> [ 520.001978] hardirqs last enabled at (10111855):
> [<ffffffff9f728462>] __up_console_sem+0x62/0x80
> [ 520.002044] hardirqs last disabled at (10111860):
> [<ffffffff9f728447>] __up_console_sem+0x47/0x80
> [ 520.002104] softirqs last enabled at (10111652):
> [<ffffffff9f6093d8>] __irq_exit_rcu+0x158/0x180
> [ 520.002171] softirqs last disabled at (10111641):
> [<ffffffff9f6093d8>] __irq_exit_rcu+0x158/0x180
> [ 520.002238] ---[ end trace 0000000000000000 ]---
> [ 520.154640] ------------[ cut here ]------------
> [ 520.154675] WARNING: CPU: 4 PID: 2513 at
> drivers/gpu/drm/drm_gem.c:286
> drm_gem_object_handle_put_unlocked+0x135/0x1a0
> [ 520.154743] Modules linked in: snd_seq_dummy snd_hrtimer
> snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device
> rfcomm xt_conntrack nft_chain_nat xt_MASQUERADE nf_nat nf_conntrack
> nf_defrag_ipv6 nf_defrag_ipv4 bridge stp llc xfrm_user xfrm_algo
> cachefiles xt_addrtype nft_compat nls_utf8 nf_tables cifs cifs_arc4
> nls_ucs2_utils cifs_md4 netfs ccm overlay qrtr cmac algif_hash
> algif_skcipher af_alg bnep snd_sof_pci_intel_cnl
> snd_sof_intel_hda_generic soundwire_intel snd_sof_intel_hda_sdw_bpt
> snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink
> snd_sof_intel_hda soundwire_cadence snd_sof_pci snd_sof_xtensa_dsp
> snd_sof snd_sof_utils snd_soc_acpi_intel_match
> snd_soc_acpi_intel_sdca_quirks soundwire_generic_allocation
> snd_soc_acpi soundwire_bus snd_soc_sdca crc8 snd_soc_avs
> snd_soc_hda_codec snd_hda_ext_core snd_soc_core snd_hda_codec_hdmi
> snd_compress ac97_bus snd_pcm_dmaengine intel_uncore_frequency
> intel_uncore_frequency_common snd_hda_codec_realtek
> snd_hda_codec_generic snd_hda_scodec_component
> [ 520.156018] intel_tcc_cooling x86_pkg_temp_thermal
> intel_powerclamp coretemp kvm_intel snd_hda_intel iwlmvm
> snd_intel_dspcfg binfmt_misc snd_intel_sdw_acpi cmdlinepart kvm
> uvcvideo spi_nor ee1004 snd_hda_codec mac80211
> processor_thermal_device_pci_legacy irqbypass elan_i2c btusb
> videobuf2_vmalloc processor_thermal_device polyval_clmulni uvc mtd
> mei_hdcp snd_hda_core processor_thermal_wt_hint mei_pxp
> videobuf2_memops ghash_clmulni_intel btrtl sha1_ssse3
> platform_temperature_control snd_hwdep videobuf2_v4l2 btintel
> processor_thermal_rfim videobuf2_common aesni_intel nvidiafb
> processor_thermal_rapl btbcm snd_ctl_led nls_iso8859_1 intel_rapl_msr
> libarc4 sch_fq_codel iwlwifi snd_pcm btmtk i2c_i801 videodev think_lmi
> vgastate intel_rapl_common spi_intel_pci rapl i2c_mux mei_me
> processor_thermal_wt_req bluetooth intel_cstate intel_wmi_thunderbolt
> firmware_attributes_class mc wmi_bmof snd_timer fb_ddc i2c_smbus
> spi_intel cfg80211 processor_thermal_power_floor
> processor_thermal_mbox mei intel_soc_dts_iosf intel_pch_thermal
> [ 520.157367] thinkpad_acpi nvram int3403_thermal
> int340x_thermal_zone intel_pmc_core pmt_telemetry pmt_class
> intel_pmc_ssram_telemetry int3400_thermal acpi_pad intel_vsec
> acpi_thermal_rel input_leds joydev mac_hid serio_raw nouveau mxm_wmi
> drm_gpuvm gpu_sched drm_ttm_helper ttm drm_exec drm_display_helper cec
> rc_core i2c_algo_bit msr parport_pc nfsd ppdev lp parport auth_rpcgss
> nfs_acl nvme_fabrics lockd efi_pstore grace sunrpc nfnetlink dmi_sysfs
> ip_tables x_tables autofs4 xfs btrfs blake2b_generic raid10 raid456
> async_raid6_recov async_memcpy async_pq async_xor async_tx xor
> raid6_pq raid1 raid0 8250_dw snd soundcore wacom video nvme
> hid_generic ucsi_acpi typec_ucsi rtsx_pci_sdmmc nvme_core
> intel_lpss_pci typec usbhid intel_lpss nvme_keyring psmouse e1000e hid
> nvme_auth rtsx_pci thunderbolt idma64 sparse_keymap platform_profile
> wmi pinctrl_cannonlake
> [ 520.158953] CPU: 4 UID: 1000 PID: 2513 Comm: gnome-shell Tainted: G
> W 6.16.0-rc4+ #64 PREEMPT(voluntary)
> [ 520.159011] Tainted: [W]=WARN
> [ 520.159033] Hardware name: LENOVO 20MAS08500/20MAS08500, BIOS
> N2CET70W (1.53 ) 03/11/2024
> [ 520.159062] RIP: 0010:drm_gem_object_handle_put_unlocked+0x135/0x1a0
> [ 520.159115] Code: 48 8b 43 08 48 63 f5 48 8d b8 f8 0c 00 00 e8 c2
> 8b 99 00 4c 89 f7 e8 6a d2 50 ff c7 83 18 01 00 00 00 00 00 00 e9 4e
> ff ff ff <0f> 0b 5b 5d 41 5c 41 5d 41 5e 31 c0 31 f6 31 ff c3 cc cc cc
> cc 48
> [ 520.159155] RSP: 0018:ffff8881a542fa18 EFLAGS: 00010246
> [ 520.159198] RAX: 0000000000000000 RBX: ffff8888777e2000 RCX: 0000000000000000
> [ 520.159230] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
> [ 520.159258] RBP: ffff8888777e2004 R08: 0000000000000000 R09: 0000000000000000
> [ 520.159289] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881017b4000
> [ 520.159319] R13: ffff8888777e2008 R14: ffff8881602bed48 R15: ffff8881af771080
> [ 520.159352] FS: 00007a43b692b6c0(0000) GS:ffff88887103c000(0000)
> knlGS:0000000000000000
> [ 520.159388] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 520.159419] CR2: 00007a433f99f000 CR3: 000000010ba80003 CR4: 00000000003726f0
> [ 520.159451] Call Trace:
> [ 520.159477] <TASK>
> [ 520.159519] drm_gem_fb_destroy+0x5c/0xb0
> [ 520.159644] drm_mode_closefb_ioctl+0xba/0x100
> [ 520.159701] ? __pfx_drm_mode_closefb_ioctl+0x10/0x10
> [ 520.159741] drm_ioctl_kernel+0x132/0x1e0
> [ 520.159803] ? __pfx_drm_ioctl_kernel+0x10/0x10
> [ 520.159849] ? lock_release+0xcf/0x2b0
> [ 520.159943] drm_ioctl+0x3d4/0x710
> [ 520.160013] ? __pfx_drm_mode_closefb_ioctl+0x10/0x10
> [ 520.160067] ? __pfx_drm_ioctl+0x10/0x10
> [ 520.160184] ? rcu_is_watching+0x1c/0x50
> [ 520.160224] ? trace_irq_enable.constprop.0+0xb4/0xf0
> [ 520.160276] ? _raw_spin_unlock_irqrestore+0x4a/0x70
> [ 520.160346] nouveau_drm_ioctl+0x89/0x110 [nouveau]
> [ 520.164171] __x64_sys_ioctl+0xc8/0x130
> [ 520.164216] ? rcu_is_watching+0x1c/0x50
> [ 520.164271] do_syscall_64+0x91/0x550
> [ 520.164317] ? __pfx_vfs_read+0x10/0x10
> [ 520.164384] ? lock_release+0xcf/0x2b0
> [ 520.164459] ? __fget_files+0x12d/0x230
> [ 520.164534] ? fput+0x25/0x80
> [ 520.164573] ? ksys_read+0x158/0x170
> [ 520.164686] ? __pfx_ksys_read+0x10/0x10
> [ 520.164743] ? rcu_is_watching+0x1c/0x50
> [ 520.164782] ? trace_irq_enable.constprop.0+0xb4/0xf0
> [ 520.164834] ? rcu_is_watching+0x1c/0x50
> [ 520.164873] ? trace_irq_enable.constprop.0+0xb4/0xf0
> [ 520.164924] ? do_syscall_64+0x1c2/0x550
> [ 520.164964] ? trace_irq_enable.constprop.0+0xb4/0xf0
> [ 520.165008] ? lockdep_hardirqs_on_prepare+0xfe/0x210
> [ 520.165074] entry_SYSCALL_64_after_hwframe+0x76/0x7e
> [ 520.165116] RIP: 0033:0x7a43c4d24ded
> [ 520.165152] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10
> c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00
> 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00
> 00 00
> [ 520.165192] RSP: 002b:00007fff1befc240 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000010
> [ 520.165239] RAX: ffffffffffffffda RBX: 00005f0723185370 RCX: 00007a43c4d24ded
> [ 520.165272] RDX: 00007fff1befc2d0 RSI: 00000000c00864d0 RDI: 000000000000000c
> [ 520.165302] RBP: 00007fff1befc290 R08: 0000000000000000 R09: 00007a43c4e03ac0
> [ 520.165332] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fff1befc2d0
> [ 520.165362] R13: 00000000c00864d0 R14: 000000000000000c R15: 000000001efbfc09
> [ 520.165472] </TASK>
> [ 520.165495] irq event stamp: 10117535
> [ 520.165517] hardirqs last enabled at (10117541):
> [<ffffffff9f728462>] __up_console_sem+0x62/0x80
> [ 520.165562] hardirqs last disabled at (10117546):
> [<ffffffff9f728447>] __up_console_sem+0x47/0x80
> [ 520.165656] softirqs last enabled at (10117366):
> [<ffffffff9f6093d8>] __irq_exit_rcu+0x158/0x180
> [ 520.165704] softirqs last disabled at (10117339):
> [<ffffffff9f6093d8>] __irq_exit_rcu+0x158/0x180
> [ 520.165749] ---[ end trace 0000000000000000 ]---
> [ 520.377686] ------------[ cut here ]------------
> [ 520.377728] WARNING: CPU: 10 PID: 2513 at
> drivers/gpu/drm/drm_gem.c:286
> drm_gem_object_handle_put_unlocked+0x135/0x1a0
> [ 520.377818] Modules linked in: snd_seq_dummy snd_hrtimer
> snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device
> rfcomm xt_conntrack nft_chain_nat xt_MASQUERADE nf_nat nf_conntrack
> nf_defrag_ipv6 nf_defrag_ipv4 bridge stp llc xfrm_user xfrm_algo
> cachefiles xt_addrtype nft_compat nls_utf8 nf_tables cifs cifs_arc4
> nls_ucs2_utils cifs_md4 netfs ccm overlay qrtr cmac algif_hash
> algif_skcipher af_alg bnep snd_sof_pci_intel_cnl
> snd_sof_intel_hda_generic soundwire_intel snd_sof_intel_hda_sdw_bpt
> snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink
> snd_sof_intel_hda soundwire_cadence snd_sof_pci snd_sof_xtensa_dsp
> snd_sof snd_sof_utils snd_soc_acpi_intel_match
> snd_soc_acpi_intel_sdca_quirks soundwire_generic_allocation
> snd_soc_acpi soundwire_bus snd_soc_sdca crc8 snd_soc_avs
> snd_soc_hda_codec snd_hda_ext_core snd_soc_core snd_hda_codec_hdmi
> snd_compress ac97_bus snd_pcm_dmaengine intel_uncore_frequency
> intel_uncore_frequency_common snd_hda_codec_realtek
> snd_hda_codec_generic snd_hda_scodec_component
> [ 520.379442] intel_tcc_cooling x86_pkg_temp_thermal
> intel_powerclamp coretemp kvm_intel snd_hda_intel iwlmvm
> snd_intel_dspcfg binfmt_misc snd_intel_sdw_acpi cmdlinepart kvm
> uvcvideo spi_nor ee1004 snd_hda_codec mac80211
> processor_thermal_device_pci_legacy irqbypass elan_i2c btusb
> videobuf2_vmalloc processor_thermal_device polyval_clmulni uvc mtd
> mei_hdcp snd_hda_core processor_thermal_wt_hint mei_pxp
> videobuf2_memops ghash_clmulni_intel btrtl sha1_ssse3
> platform_temperature_control snd_hwdep videobuf2_v4l2 btintel
> processor_thermal_rfim videobuf2_common aesni_intel nvidiafb
> processor_thermal_rapl btbcm snd_ctl_led nls_iso8859_1 intel_rapl_msr
> libarc4 sch_fq_codel iwlwifi snd_pcm btmtk i2c_i801 videodev think_lmi
> vgastate intel_rapl_common spi_intel_pci rapl i2c_mux mei_me
> processor_thermal_wt_req bluetooth intel_cstate intel_wmi_thunderbolt
> firmware_attributes_class mc wmi_bmof snd_timer fb_ddc i2c_smbus
> spi_intel cfg80211 processor_thermal_power_floor
> processor_thermal_mbox mei intel_soc_dts_iosf intel_pch_thermal
> [ 520.381326] thinkpad_acpi nvram int3403_thermal
> int340x_thermal_zone intel_pmc_core pmt_telemetry pmt_class
> intel_pmc_ssram_telemetry int3400_thermal acpi_pad intel_vsec
> acpi_thermal_rel input_leds joydev mac_hid serio_raw nouveau mxm_wmi
> drm_gpuvm gpu_sched drm_ttm_helper ttm drm_exec drm_display_helper cec
> rc_core i2c_algo_bit msr parport_pc nfsd ppdev lp parport auth_rpcgss
> nfs_acl nvme_fabrics lockd efi_pstore grace sunrpc nfnetlink dmi_sysfs
> ip_tables x_tables autofs4 xfs btrfs blake2b_generic raid10 raid456
> async_raid6_recov async_memcpy async_pq async_xor async_tx xor
> raid6_pq raid1 raid0 8250_dw snd soundcore wacom video nvme
> hid_generic ucsi_acpi typec_ucsi rtsx_pci_sdmmc nvme_core
> intel_lpss_pci typec usbhid intel_lpss nvme_keyring psmouse e1000e hid
> nvme_auth rtsx_pci thunderbolt idma64 sparse_keymap platform_profile
> wmi pinctrl_cannonlake
> [ 520.383461] CPU: 10 UID: 1000 PID: 2513 Comm: gnome-shell Tainted:
> G W 6.16.0-rc4+ #64 PREEMPT(voluntary)
> [ 520.383540] Tainted: [W]=WARN
> [ 520.383570] Hardware name: LENOVO 20MAS08500/20MAS08500, BIOS
> N2CET70W (1.53 ) 03/11/2024
> [ 520.383606] RIP: 0010:drm_gem_object_handle_put_unlocked+0x135/0x1a0
> [ 520.383768] Code: 48 8b 43 08 48 63 f5 48 8d b8 f8 0c 00 00 e8 c2
> 8b 99 00 4c 89 f7 e8 6a d2 50 ff c7 83 18 01 00 00 00 00 00 00 e9 4e
> ff ff ff <0f> 0b 5b 5d 41 5c 41 5d 41 5e 31 c0 31 f6 31 ff c3 cc cc cc
> cc 48
> [ 520.383827] RSP: 0018:ffff8881a542fbe8 EFLAGS: 00010246
> [ 520.383885] RAX: 0000000000000000 RBX: ffff888196ee4000 RCX: 0000000000000000
> [ 520.383921] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
> [ 520.383963] RBP: ffff888196ee4004 R08: 0000000000000000 R09: 0000000000000000
> [ 520.384005] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881017b4000
> [ 520.384048] R13: ffff888196ee4008 R14: ffff8881b9f37948 R15: ffff8881af771080
> [ 520.384097] FS: 00007a43b692b6c0(0000) GS:ffff88887133c000(0000)
> knlGS:0000000000000000
> [ 520.384149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 520.384188] CR2: 000005e99866c000 CR3: 000000010ba80001 CR4: 00000000003726f0
> [ 520.384235] Call Trace:
> [ 520.384265] <TASK>
> [ 520.384324] drm_gem_fb_destroy+0x5c/0xb0
> [ 520.384417] drm_mode_closefb_ioctl+0xba/0x100
> [ 520.384494] ? __pfx_drm_mode_closefb_ioctl+0x10/0x10
> [ 520.384555] drm_ioctl_kernel+0x132/0x1e0
> [ 520.384720] ? __pfx_drm_ioctl_kernel+0x10/0x10
> [ 520.384788] ? lock_release+0xcf/0x2b0
> [ 520.384923] drm_ioctl+0x3d4/0x710
> [ 520.384999] ? __pfx_drm_mode_closefb_ioctl+0x10/0x10
> [ 520.385055] ? __pfx_drm_ioctl+0x10/0x10
> [ 520.385193] ? rcu_is_watching+0x1c/0x50
> [ 520.385253] ? trace_irq_enable.constprop.0+0xb4/0xf0
> [ 520.385328] ? _raw_spin_unlock_irqrestore+0x4a/0x70
> [ 520.385429] nouveau_drm_ioctl+0x89/0x110 [nouveau]
> [ 520.389425] __x64_sys_ioctl+0xc8/0x130
> [ 520.389471] ? rcu_is_watching+0x1c/0x50
> [ 520.389524] do_syscall_64+0x91/0x550
> [ 520.389584] entry_SYSCALL_64_after_hwframe+0x76/0x7e
> [ 520.389680] RIP: 0033:0x7a43c4d24ded
> [ 520.389720] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10
> c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00
> 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00
> 00 00
> [ 520.389759] RSP: 002b:00007fff1befc240 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000010
> [ 520.389794] RAX: ffffffffffffffda RBX: 00005f0722ae66c0 RCX: 00007a43c4d24ded
> [ 520.389817] RDX: 00007fff1befc2d0 RSI: 00000000c00864d0 RDI: 000000000000000c
> [ 520.389838] RBP: 00007fff1befc290 R08: 0000000000000000 R09: 00007a43c4e03ac0
> [ 520.389859] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fff1befc2d0
> [ 520.389879] R13: 00000000c00864d0 R14: 000000000000000c R15: 000000001efec80e
> [ 520.389954] </TASK>
> [ 520.389970] irq event stamp: 10123147
> [ 520.389985] hardirqs last enabled at (10123153):
> [<ffffffff9f728462>] __up_console_sem+0x62/0x80
> [ 520.390018] hardirqs last disabled at (10123158):
> [<ffffffff9f728447>] __up_console_sem+0x47/0x80
> [ 520.390048] softirqs last enabled at (10121286):
> [<ffffffff9f6093d8>] __irq_exit_rcu+0x158/0x180
> [ 520.390090] softirqs last disabled at (10121281):
> [<ffffffff9f6093d8>] __irq_exit_rcu+0x158/0x180
> [ 520.390136] ---[ end trace 0000000000000000 ]---
>
> On Mon, Jul 7, 2025 at 4:51 PM Steve French <smfrench at gmail.com> wrote:
> >
> > I see these RIP logged every second or two with 6.16-rc5 on boot, and
> > they continue indefinitely. I don't remember seeing these on rc4.
> > This happens when booting up, even when doing nothing on laptop
> > (Lenovo P52, Ubuntu 24 running normal build of mainline 6.16-rc5) and
> > they keep occurring.
> >
> > 6.16.0-061600rc5-generic #202507062141 PREEMPT(voluntary)
> > [ 642.019544] Tainted: [W]=WARN
> > [ 642.019549] Hardware name: LENOVO 20MAS08500/20MAS08500, BIOS
> > N2CET70W (1.53 ) 03/11/2024
> > [ 642.019556] RIP: 0010:drm_gem_object_handle_put_unlocked+0xc5/0x100
> > [ 642.019570] Code: ca ff eb 9c 4c 89 e7 e8 09 cf 64 00 eb d0 48 8b
> > 43 08 48 8d b8 e8 05 00 00 e8 47 8b 60 00 c7 83 e0 00 00 00 00 00 00
> > 00 eb 90 <0f> 0b 5b 41 5c 5d 31 c0 31 f6 31 ff c3 cc cc cc cc 48 8b 83
> > 40 01
> > [ 642.019579] RSP: 0018:ffffd003454f38c8 EFLAGS: 00010246
> > [ 642.019590] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
> > [ 642.019596] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8ced0e693000
> > [ 642.019602] RBP: ffffd003454f38d8 R08: 0000000000000000 R09: 0000000000000000
> > [ 642.019609] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8ced06634000
> > [ 642.019615] R13: 0000000000000000 R14: ffffd003454f3a30 R15: ffff8ced06634000
> > [ 642.019622] FS: 00007f0b743986c0(0000) GS:ffff8cf4cbd88000(0000)
> > knlGS:0000000000000000
> > [ 642.019630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > [ 642.019637] CR2: 00007f0af0384000 CR3: 000000016c6a0006 CR4: 00000000003726f0
> > [ 642.019645] Call Trace:
> > [ 642.019651] <TASK>
> > [ 642.019658] drm_gem_fb_destroy+0x35/0x80
> > [ 642.019673] drm_framebuffer_free+0x40/0xa0
> > [ 642.019706] drm_mode_object_put.part.0+0x5d/0xa0
> > [ 642.019718] drm_mode_object_put+0x15/0x30
> > [ 642.019727] drm_mode_closefb_ioctl+0x76/0xa0
> > [ 642.019738] ? __pfx_drm_mode_closefb_ioctl+0x10/0x10
> > [ 642.019748] drm_ioctl_kernel+0xb2/0x110
> > [ 642.019760] drm_ioctl+0x2ea/0x5b0
> > [ 642.019767] ? __pfx_drm_mode_closefb_ioctl+0x10/0x10
> > [ 642.019788] nouveau_drm_ioctl+0x5e/0xc0 [nouveau]
> > [ 642.020378] __x64_sys_ioctl+0xa2/0x100
> > [ 642.020392] x64_sys_call+0x106b/0x2320
> > [ 642.020403] do_syscall_64+0x80/0xe80
> > [ 642.020416] ? do_syscall_64+0xb6/0xe80
> > [ 642.020429] ? __rseq_handle_notify_resume+0x36/0x70
> > [ 642.020444] ? arch_exit_to_user_mode_prepare.isra.0+0xa0/0xc0
> > [ 642.020455] ? do_syscall_64+0xb6/0xe80
> > [ 642.020474] ? kick_ilb+0x52/0x180
> > [ 642.020488] ? update_load_avg+0x8b/0x410
> > [ 642.020502] ? __update_blocked_fair+0xac/0x550
> > [ 642.020515] ? __note_gp_changes+0x1ca/0x220
> > [ 642.020529] ? note_gp_changes+0x8f/0xa0
> > [ 642.020541] ? rcu_core+0x1b6/0x370
> > [ 642.020553] ? rcu_core_si+0xe/0x20
> > [ 642.020564] ? handle_softirqs+0xe4/0x340
> > [ 642.020576] ? arch_exit_to_user_mode_prepare.isra.0+0xd/0xc0
> > [ 642.020588] ? irqentry_exit_to_user_mode+0x2d/0x1d0
> > [ 642.020599] ? irqentry_exit+0x43/0x50
> > [ 642.020609] entry_SYSCALL_64_after_hwframe+0x76/0x7e
> > [ 642.020618] RIP: 0033:0x7f0b7ad24ded
> > [ 642.020627] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10
> > c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00
> > 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00
> > 00 00
> > [ 642.020635] RSP: 002b:00007ffca5eb8f50 EFLAGS: 00000246 ORIG_RAX:
> > 0000000000000010
> > [ 642.020647] RAX: ffffffffffffffda RBX: 000055b1a5e17cc0 RCX: 00007f0b7ad24ded
> > [ 642.020654] RDX: 00007ffca5eb8fe0 RSI: 00000000c00864d0 RDI: 000000000000000c
> > [ 642.020661] RBP: 00007ffca5eb8fa0 R08: 0000000000000000 R09: 00007f0b7ae03ac0
> > [ 642.020667] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ffca5eb8fe0
> > [ 642.020673] R13: 00000000c00864d0 R14: 000000000000000c R15: 000000002640746b
> > [ 642.020702] </TASK>
> > [ 642.020707] ---[ end trace 0000000000000000 ]---
> >
> > ...
> >
> > 6.16.0-061600rc5-generic #202507062141 PREEMPT(voluntary)
> > [ 795.464458] Tainted: [W]=WARN
> > [ 795.464460] Hardware name: LENOVO 20MAS08500/20MAS08500, BIOS
> > N2CET70W (1.53 ) 03/11/2024
> > [ 795.464462] RIP: 0010:drm_gem_object_handle_put_unlocked+0xc5/0x100
> > [ 795.464468] Code: ca ff eb 9c 4c 89 e7 e8 09 cf 64 00 eb d0 48 8b
> > 43 08 48 8d b8 e8 05 00 00 e8 47 8b 60 00 c7 83 e0 00 00 00 00 00 00
> > 00 eb 90 <0f> 0b 5b 41 5c 5d 31 c0 31 f6 31 ff c3 cc cc cc cc 48 8b 83
> > 40 01
> > [ 795.464471] RSP: 0018:ffffd003454f3898 EFLAGS: 00010246
> > [ 795.464476] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
> > [ 795.464479] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8ced0e693000
> > [ 795.464481] RBP: ffffd003454f38a8 R08: 0000000000000000 R09: 0000000000000000
> > [ 795.464484] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8ced06634000
> > [ 795.464486] R13: 0000000000000000 R14: ffffd003454f3a00 R15: ffff8ced06634000
> > [ 795.464489] FS: 00007f0b743986c0(0000) GS:ffff8cf4cb988000(0000)
> > knlGS:0000000000000000
> > [ 795.464492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > [ 795.464495] CR2: 00007f0b6c6a9020 CR3: 000000016c6a0006 CR4: 00000000003726f0
> > [ 795.464498] Call Trace:
> > [ 795.464500] <TASK>
> > [ 795.464504] drm_gem_fb_destroy+0x35/0x80
> > [ 795.464510] drm_framebuffer_free+0x40/0xa0
> > [ 795.464515] drm_mode_object_put.part.0+0x5d/0xa0
> > [ 795.464520] drm_mode_object_put+0x15/0x30
> > [ 795.464524] drm_mode_closefb_ioctl+0x76/0xa0
> > [ 795.464528] ? __pfx_drm_mode_closefb_ioctl+0x10/0x10
> > [ 795.464533] drm_ioctl_kernel+0xb2/0x110
> > [ 795.464537] drm_ioctl+0x2ea/0x5b0
> > [ 795.464541] ? __pfx_drm_mode_closefb_ioctl+0x10/0x10
> > [ 795.464550] nouveau_drm_ioctl+0x5e/0xc0 [nouveau]
> > [ 795.464783] __x64_sys_ioctl+0xa2/0x100
> > [ 795.464790] x64_sys_call+0x106b/0x2320
> > [ 795.464794] do_syscall_64+0x80/0xe80
> > [ 795.464802] ? __x64_sys_poll+0xd2/0x180
> > [ 795.464808] ? arch_exit_to_user_mode_prepare.isra.0+0xd/0xc0
> > [ 795.464813] ? do_syscall_64+0xb6/0xe80
> > [ 795.464819] ? futex_hash+0xe/0x20
> > [ 795.464823] ? futex_wake+0x89/0x1b0
> > [ 795.464830] ? do_futex+0x18e/0x260
> > [ 795.464835] ? __x64_sys_futex+0x127/0x200
> > [ 795.464839] ? eventfd_write+0xdc/0x200
> > [ 795.464844] ? security_file_permission+0x5b/0x170
> > [ 795.464850] ? arch_exit_to_user_mode_prepare.isra.0+0xd/0xc0
> > [ 795.464854] ? do_syscall_64+0xb6/0xe80
> > [ 795.464862] ? ksys_write+0xd9/0xf0
> > [ 795.464869] ? arch_exit_to_user_mode_prepare.isra.0+0xd/0xc0
> > [ 795.464873] ? do_syscall_64+0xb6/0xe80
> > [ 795.464878] ? do_syscall_64+0xb6/0xe80
> > [ 795.464883] ? arch_exit_to_user_mode_prepare.isra.0+0xd/0xc0
> > [ 795.464888] ? irqentry_exit_to_user_mode+0x2d/0x1d0
> > [ 795.464893] ? irqentry_exit+0x43/0x50
> > [ 795.464897] entry_SYSCALL_64_after_hwframe+0x76/0x7e
> > [ 795.464901] RIP: 0033:0x7f0b7ad24ded
> > [ 795.464904] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10
> > c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00
> > 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00
> > 00 00
> > [ 795.464907] RSP: 002b:00007ffca5eb8f50 EFLAGS: 00000246 ORIG_RAX:
> > 0000000000000010
> > [ 795.464912] RAX: ffffffffffffffda RBX: 000055b1a8710050 RCX: 00007f0b7ad24ded
> > [ 795.464915] RDX: 00007ffca5eb8fe0 RSI: 00000000c00864d0 RDI: 000000000000000c
> > [ 795.464917] RBP: 00007ffca5eb8fa0 R08: 0000000000000000 R09: 00007f0b7ae03ac0
> > [ 795.464920] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ffca5eb8fe0
> > [ 795.464922] R13: 00000000c00864d0 R14: 000000000000000c R15: 000000002f66b7a8
> > [ 795.464929] </TASK>
> > [ 795.464931] ---[ end trace 0000000000000000 ]---
> >
> >
> > --
> > Thanks,
> >
> > Steve
>
>
>
> --
> Thanks,
>
> Steve
--
Simona Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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