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Bug#935030: linux: radeon GPU freeze on 4.19(buster) but not on 5.2(unstable)

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  Bug#935030: linux: radeon GPU freeze on 4.19(buster) but not on 5.2(unstable) Salvatore Bonaccorso <carnil@debian.org> - 2021-10-23 12:00 +0200
    Processed: Re: Bug#935030: linux: radeon GPU freeze on  4.19(buster) but not on 5.2(unstable) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2021-10-23 12:00 +0200

#73510 — Bug#935030: linux: radeon GPU freeze on 4.19(buster) but not on 5.2(unstable)

Control: tags -1 + moreinfo
Control: found -1 4.19.28-2

On Sun, Aug 18, 2019 at 12:13:19PM +0200, Tuxicoman wrote:
> Source: linux
> Severity: important
> 
> Dear Maintainer,
> 
> I often encouter GPU freezes using the buster kernel (4.19) and my AMD GPU
> (Radeon 580) on 3D apps.
> 
> Here is a trace from dmesg:
> 
> [41030.750400] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout,
> signaled seq=13431126, emitted seq=13431128
> [41030.750405] [drm] GPU recovery disabled.
> [41206.115499] INFO: task kworker/u8:0:6943 blocked for more than 120 seconds.
> [41206.115504]       Tainted: G           OE     4.19.0-4-amd64 #1 Debian
> 4.19.28-2
> [41206.115506] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
> message.
> [41206.115508] kworker/u8:0    D    0  6943      2 0x80000000
> [41206.115523] Workqueue: events_unbound commit_work [drm_kms_helper]
> [41206.115525] Call Trace:
> [41206.115532]  ? __schedule+0x2a2/0x870
> [41206.115535]  ? __switch_to_asm+0x40/0x70
> [41206.115537]  schedule+0x28/0x80
> [41206.115539]  schedule_timeout+0x26d/0x390
> [41206.115611]  ? dce110_timing_generator_get_position+0x5b/0x70 [amdgpu]
> [41206.115673]  ? dce110_timing_generator_get_crtc_scanoutpos+0x70/0xb0
> [amdgpu]
> [41206.115676]  dma_fence_default_wait+0x238/0x2a0
> [41206.115679]  ? dma_fence_release+0x90/0x90
> [41206.115681]  dma_fence_wait_timeout+0xdd/0x100
> [41206.115684]  reservation_object_wait_timeout_rcu+0x173/0x280
> [41206.115748]  amdgpu_dm_do_flip+0x112/0x340 [amdgpu]
> [41206.115811]  amdgpu_dm_atomic_commit_tail+0x750/0xdb0 [amdgpu]
> [41206.115818]  ? wait_for_completion_timeout+0x3b/0x1a0
> [41206.115828]  commit_tail+0x3d/0x70 [drm_kms_helper]
> [41206.115833]  process_one_work+0x1a7/0x3a0
> [41206.115836]  worker_thread+0x30/0x390
> [41206.115838]  ? create_worker+0x1a0/0x1a0
> [41206.115841]  kthread+0x112/0x130
> [41206.115843]  ? kthread_bind+0x30/0x30
> [41206.115845]  ret_from_fork+0x35/0x40
> 
> I can connect by SSH to the machine and force reboot.
> 
> The problem doesn't occur with kernel 5.2 from unstable.
> See #928146

Is this still something you can reproduce with current kernel in
buster?

Regards,
Salvatore

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#73511 — Processed: Re: Bug#935030: linux: radeon GPU freeze on 4.19(buster) but not on 5.2(unstable)

Processing control commands:

> tags -1 + moreinfo
Bug #935030 [src:linux] linux: radeon GPU freeze on 4.19(buster) but not on 5.2(unstable)
Added tag(s) moreinfo.
> found -1 4.19.28-2
Bug #935030 [src:linux] linux: radeon GPU freeze on 4.19(buster) but not on 5.2(unstable)
Marked as found in versions linux/4.19.28-2.

-- 
935030: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=935030
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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