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To:     linux-kernel@vger.kernel.org
From:   Ilkka Prusi <ilkka.prusi@pp.inet.fi>
Subject: amdgpu: *ERROR* Waiting for fences timed out!
Message-ID: <2b1aec0a-2a39-7f93-4b1e-e23b57f109db@pp.inet.fi>
Date:   Wed, 24 Jun 2020 22:54:55 +0300
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Hi,

I got this error in kernel log from desktop freeze, it still responded 
to SysRq and system could be killed but desktop was unusable. I assume 
this might explain some problems I have seen on this computer before.

I assume that preceding segfault has no meaning here but included it anyway.

System has:

- Linux version 5.7.6 (gcc version 9.3.0 (Debian 9.3.0-14), GNU ld (GNU 
Binutils for Debian) 2.34) #2 SMP PREEMPT

- AMD Ryzen 7 2700 (Family 17h (Models 00h-0fh))

- [AMD/ATI] Vega 10 XL/XT [Radeon RX Vega 56/64] (rev c3)

- DMI: TUF B450-PLUS GAMING, BIOS 2008 12/06/2019

[  568.338593][ T4434] vivaldi-bin[4434]: segfault at 0 ip 
00005637c63f3f12 sp 00007fffa3766d00 error 4 in 
vivaldi-bin[5637c1c5a000+7823000]
[  568.338601][ T4434] Code: ff ff 48 89 de e8 5e 92 74 fe 80 bd 97 fe 
ff ff 00 79 0c 48 8b bd 80 fe ff ff e8 49 aa 21 fe 0f 28 05 92 88 b4 fa 
0f 29 45 c0 <49> 8b 4d 00 48 8d 15 e3 2e 1b 03 48 89 c8 48 29 d0 48 c1 
c8 04 48
[ 3303.068482][  T186] [drm:amdgpu_dm_commit_planes.constprop.0 
[amdgpu]] *ERROR* Waiting for fences timed out!
[ 3303.068619][  T184] [drm:amdgpu_dm_commit_planes.constprop.0 
[amdgpu]] *ERROR* Waiting for fences timed out!
[ 3303.068748][T23486] [drm:amdgpu_dm_commit_planes.constprop.0 
[amdgpu]] *ERROR* Waiting for fences timed out!


--

  - Ilkka Prusi