Warnings in next-20250703 caused by commit 582111e630f5
Bert Karwatzki
spasswolf at web.de
Thu Jul 3 11:59:14 UTC 2025
When booting next-20250703 on my Msi Alpha 15 Laptop running debian sid (last
updated 20250703) I get a several warnings of the following kind:
[ 8.702999] [ T1628] ------------[ cut here ]------------
[ 8.703001] [ T1628] WARNING: drivers/gpu/drm/drm_gem.c:287 at drm_gem_object_handle_put_unlocked+0xaa/0xe0, CPU#14: Xorg/1628
[ 8.703007] [ T1628] Modules linked in: snd_seq_dummy snd_hrtimer snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device rfcomm bnep nls_ascii nls_cp437 vfat fat snd_ctl_led snd_hda_codec_realtek snd_hda_codec_generic snd_hda_scodec_component snd_hda_codec_hdmi snd_hda_intel btusb snd_intel_dspcfg btrtl btintel snd_hda_codec uvcvideo snd_soc_dmic snd_acp3x_pdm_dma btbcm snd_acp3x_rn btmtk snd_hwdep videobuf2_vmalloc snd_soc_core snd_hda_core videobuf2_memops snd_pcm_oss uvc videobuf2_v4l2 bluetooth snd_mixer_oss videodev snd_pcm snd_rn_pci_acp3x videobuf2_common snd_acp_config snd_timer msi_wmi ecdh_generic snd_soc_acpi ecc mc sparse_keymap snd wmi_bmof edac_mce_amd k10temp soundcore snd_pci_acp3x ccp ac battery button joydev hid_sensor_accel_3d hid_sensor_prox hid_sensor_als hid_sensor_magn_3d hid_sensor_gyro_3d hid_sensor_trigger industrialio_triggered_buffer kfifo_buf industrialio hid_sensor_iio_common amd_pmc evdev mt7921e mt7921_common mt792x_lib mt76_connac_lib mt76 mac80211 libarc4 cfg80211 rfkill msr fuse
[ 8.703056] [ T1628] nvme_fabrics efi_pstore configfs efivarfs autofs4 ext4 mbcache jbd2 usbhid amdgpu drm_client_lib i2c_algo_bit drm_ttm_helper ttm drm_panel_backlight_quirks drm_exec drm_suballoc_helper amdxcp drm_buddy xhci_pci gpu_sched xhci_hcd drm_display_helper hid_sensor_hub hid_multitouch mfd_core hid_generic drm_kms_helper psmouse i2c_hid_acpi nvme usbcore amd_sfh i2c_hid hid cec serio_raw nvme_core r8169 crc16 i2c_piix4 usb_common i2c_smbus i2c_designware_platform i2c_designware_core
[ 8.703082] [ T1628] CPU: 14 UID: 1000 PID: 1628 Comm: Xorg Not tainted 6.16.0-rc4-next-20250703-master #127 PREEMPT_{RT,(full)}
[ 8.703085] [ T1628] Hardware name: Micro-Star International Co., Ltd. Alpha 15 B5EEK/MS-158L, BIOS E158LAMS.10F 11/11/2024
[ 8.703086] [ T1628] RIP: 0010:drm_gem_object_handle_put_unlocked+0xaa/0xe0
[ 8.703088] [ T1628] Code: c7 f6 8a ff 48 89 ef e8 94 d4 2e 00 eb d8 48 8b 43 08 48 8d b8 d8 06 00 00 e8 52 78 2b 00 c7 83 08 01 00 00 00 00 00 00 eb 98 <0f> 0b 5b 5d e9 98 f6 8a ff 48 8b 83 68 01 00 00 48 8b 00 48 85 c0
[ 8.703089] [ T1628] RSP: 0018:ffffb8e8c7fbfb00 EFLAGS: 00010246
[ 8.703091] [ T1628] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
[ 8.703092] [ T1628] RDX: 0000000000000000 RSI: ffff94cdc062b478 RDI: ffff94ce71390448
[ 8.703093] [ T1628] RBP: ffff94ce14780010 R08: ffff94cdc062b618 R09: ffff94ce14780278
[ 8.703094] [ T1628] R10: 0000000000000001 R11: ffff94cdc062b478 R12: ffff94ce14780010
[ 8.703095] [ T1628] R13: 0000000000000007 R14: 0000000000000004 R15: ffff94ce14780010
[ 8.703096] [ T1628] FS: 00007fc164276b00(0000) GS:ffff94dcb49cf000(0000) knlGS:0000000000000000
[ 8.703097] [ T1628] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.703098] [ T1628] CR2: 00005647ccd53008 CR3: 000000012533f000 CR4: 0000000000750ef0
[ 8.703099] [ T1628] PKRU: 55555554
[ 8.703100] [ T1628] Call Trace:
[ 8.703101] [ T1628] <TASK>
[ 8.703104] [ T1628] drm_gem_fb_destroy+0x27/0x50 [drm_kms_helper]
[ 8.703113] [ T1628] __drm_atomic_helper_plane_destroy_state+0x1a/0xa0 [drm_kms_helper]
[ 8.703119] [ T1628] drm_atomic_helper_plane_destroy_state+0x10/0x20 [drm_kms_helper]
[ 8.703124] [ T1628] drm_atomic_state_default_clear+0x1c0/0x2e0
[ 8.703127] [ T1628] __drm_atomic_state_free+0x6c/0xb0
[ 8.703129] [ T1628] drm_atomic_helper_disable_plane+0x92/0xe0 [drm_kms_helper]
[ 8.703135] [ T1628] drm_mode_cursor_universal+0xf2/0x2a0
[ 8.703140] [ T1628] drm_mode_cursor_common.part.0+0x9c/0x1e0
[ 8.703144] [ T1628] ? drm_mode_setplane+0x320/0x320
[ 8.703146] [ T1628] drm_mode_cursor_ioctl+0x8a/0xa0
[ 8.703148] [ T1628] drm_ioctl_kernel+0xa1/0xf0
[ 8.703151] [ T1628] drm_ioctl+0x26a/0x510
[ 8.703153] [ T1628] ? drm_mode_setplane+0x320/0x320
[ 8.703155] [ T1628] ? srso_alias_return_thunk+0x5/0xfbef5
[ 8.703157] [ T1628] ? rt_spin_unlock+0x12/0x40
[ 8.703159] [ T1628] ? do_setitimer+0x185/0x1d0
[ 8.703161] [ T1628] ? srso_alias_return_thunk+0x5/0xfbef5
[ 8.703164] [ T1628] amdgpu_drm_ioctl+0x46/0x90 [amdgpu]
[ 8.703283] [ T1628] __x64_sys_ioctl+0x91/0xe0
[ 8.703286] [ T1628] do_syscall_64+0x65/0xfc0
[ 8.703289] [ T1628] entry_SYSCALL_64_after_hwframe+0x55/0x5d
[ 8.703291] [ T1628] RIP: 0033:0x7fc1645f78db
[ 8.703292] [ T1628] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
[ 8.703294] [ T1628] RSP: 002b:00007ffd75bce430 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.703295] [ T1628] RAX: ffffffffffffffda RBX: 000056224e896ea0 RCX: 00007fc1645f78db
[ 8.703296] [ T1628] RDX: 00007ffd75bce4c0 RSI: 00000000c01c64a3 RDI: 000000000000000f
[ 8.703297] [ T1628] RBP: 00007ffd75bce4c0 R08: 0000000000000100 R09: 0000562210547ab0
[ 8.703298] [ T1628] R10: 000000000000004c R11: 0000000000000246 R12: 00000000c01c64a3
[ 8.703298] [ T1628] R13: 000000000000000f R14: 0000000000000000 R15: 000056224e5c1cd0
[ 8.703302] [ T1628] </TASK>
[ 8.703303] [ T1628] ---[ end trace 0000000000000000 ]---
As the warnings do not occur in next-20250702, I looked at the commits given by
$ git log --oneline next-20250702..next-20250703 drivers/gpu/drm
to search for a culprit. So I reverted the most likely candidate,
commit 582111e630f5 ("drm/gem: Acquire references on GEM handles for framebuffers"),
in next-20250703 and the warnings disappeared.
This is the hardware I used:
$ lspci
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir/Cezanne Root Complex
00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Renoir/Cezanne IOMMU
00:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe Dummy Host Bridge
00:01.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe GPP Bridge
00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe Dummy Host Bridge
00:02.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir/Cezanne PCIe GPP Bridge
00:02.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir/Cezanne PCIe GPP Bridge
00:02.3 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir/Cezanne PCIe GPP Bridge
00:02.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir/Cezanne PCIe GPP Bridge
00:08.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe Dummy Host Bridge
00:08.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir Internal PCIe GPP Bridge to Bus
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 51)
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 51)
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Cezanne Data Fabric; Function 0
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Cezanne Data Fabric; Function 1
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Cezanne Data Fabric; Function 2
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Cezanne Data Fabric; Function 3
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Cezanne Data Fabric; Function 4
00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Cezanne Data Fabric; Function 5
00:18.6 Host bridge: Advanced Micro Devices, Inc. [AMD] Cezanne Data Fabric; Function 6
00:18.7 Host bridge: Advanced Micro Devices, Inc. [AMD] Cezanne Data Fabric; Function 7
01:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 XL Upstream Port of PCI Express Switch (rev c3)
02:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 XL Downstream Port of PCI Express Switch
03:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Navi 23 [Radeon RX 6600/6600 XT/6600M] (rev c3)
03:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Navi 21/23 HDMI/DP Audio Controller
04:00.0 Network controller: MEDIATEK Corp. MT7921K (RZ608) Wi-Fi 6E 80MHz
05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller (rev 15)
06:00.0 Non-Volatile memory controller: Kingston Technology Company, Inc. KC3000/FURY Renegade NVMe SSD [E18] (rev 01)
07:00.0 Non-Volatile memory controller: Micron/Crucial Technology P1 NVMe PCIe SSD[Frampton] (rev 03)
08:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cezanne [Radeon Vega Series / Radeon Vega Mobile Series] (rev c5)
08:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Renoir Radeon High Definition Audio Controller
08:00.2 Encryption controller: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 10h-1fh) Platform Security Processor
08:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Renoir/Cezanne USB 3.1
08:00.4 USB controller: Advanced Micro Devices, Inc. [AMD] Renoir/Cezanne USB 3.1
08:00.5 Multimedia controller: Advanced Micro Devices, Inc. [AMD] Audio Coprocessor (rev 01)
08:00.6 Audio device: Advanced Micro Devices, Inc. [AMD] Family 17h/19h/1ah HD Audio Controller
08:00.7 Signal processing controller: Advanced Micro Devices, Inc. [AMD] Sensor Fusion Hub
Bert Karwatzki
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