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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - System crashes after "[drm] IP block:gmc_v8_0 is hung!" / [drm] IP block:sdma_v3_0 is hung!"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102322#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - System crashes after "[drm] IP block:gmc_v8_0 is hung!" / [drm] IP block:sdma_v3_0 is hung!"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102322">bug 102322</a>
from <span class="vcard"><a class="email" href="mailto:andrey.grodzovsky@amd.com" title="Andrey Grodzovsky <andrey.grodzovsky@amd.com>"> <span class="fn">Andrey Grodzovsky</span></a>
</span></b>
<pre>(In reply to dwagner from <a href="show_bug.cgi?id=102322#c7">comment #7</a>)
<span class="quote">> (In reply to Andrey Grodzovsky from <a href="show_bug.cgi?id=102322#c6">comment #6</a>)
> > Verify you are using latest AMD firmware and up to date MESA/LLVM
>
> Firmware:
>
> pacman -Q linux-firmware
> linux-firmware 20180606.d114732-1
>
> ll /usr/lib/firmware/amdgpu/vega10_vce.bin
> -rw-r--r-- 1 root root 165344 Jun 7 08:01
> /usr/lib/firmware/amdgpu/vega10_vce.bin
>
>
> MESA:
>
> pacman -Q mesa
> mesa 18.1.2-1
>
>
> LLVM:
> pacman -Q llvm-libs
> llvm-libs 6.0.0-4
>
> Is this new enough?</span >
The kernel and MESA seems new enough, LLVM is 6 so maybe you should try 7.
The firmware also looks pretty late but I still would advise to manually
override all firmware files with files from here
<a href="https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/amdgpu">https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/amdgpu</a>
Just backup your existing firmware/amdgpu folder for any case.
<span class="quote">>
>
> BTW: In a forum somebody asked what the dmesg output on crash looked like if
> I enabled amdgpu.gpu_recovery=1 - the result is a few lines more of output,
> but still a fatal system crash:
>
> Jun 26 00:50:09 ryzen kernel: [drm:amdgpu_job_timedout [amdgpu]] *ERROR*
> ring gfx timeout, last signaled seq=12277, last emitted seq=12279
> Jun 26 00:50:09 ryzen kernel: [drm] IP block:gmc_v8_0 is hung!
> Jun 26 00:50:09 ryzen kernel: [drm] IP block:gfx_v8_0 is hung!
> Jun 26 00:50:09 ryzen kernel: amdgpu 0000:0a:00.0: GPU reset begin!
> Jun 26 00:50:15 ryzen kernel: [drm:drm_atomic_helper_wait_for_flip_done
> [drm_kms_helper]] *ERROR* [CRTC:42:crtc-0] flip_done timed out
> Jun 26 00:50:15 ryzen kernel: [drm:drm_atomic_helper_wait_for_dependencies
> [drm_kms_helper]] *ERROR* [CRTC:42:crtc-0] flip_done timed out
> Jun 26 00:50:25 ryzen kernel: [drm:drm_atomic_helper_wait_for_dependencies
> [drm_kms_helper]] *ERROR* [PLANE:40:plane-4] flip_done timed out</span >
It's a know issue, try the patch I attached to resolve the deadlock , but you
will probably experience other failures after that anyway.
Andrey</pre>
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