Raven Ridge Ryzen 2500U hang reproduced

[Bráulio Bhavamitra]

It ALWAYS crashes on shader15 of
http://www.graphicsfuzz.com/benchmark/android-v1.html.

Also reported at https://bugzilla.redhat.com/show_bug.cgi?id=1562530

Using kernel 4.16 with options rcu_nocb=0-15 and amdgpu.dpm=0

Cheers,
Bráulio

On Mon, Mar 26, 2018 at 8:30 PM Bráulio Bhavamitra <brauliobo at gmail.com>
wrote:

> Hi all,
>
> Following the random crashes happenning with many users (e.g.
> https://www.phoronix.com/scan.php?page=news_item&px=Raven-Ridge-March-Update),
> not only on Linux but also Windows, I've been struggling to reproduce and
> generate any error log.
>
> After discovering that the error only happenned with KDE and games (at
> least for me, see https://bugs.kde.org/show_bug.cgi?id=392378), I could
> reproduce after a failing suspend.
>
> The crash most of the times allows the mouse to keep moving, but anything
> else works. Except for this time the keyboard worked so I could switch the
> tty and save the dmesg messages. After this I had to force reboot as it got
> stuck trying to kill the lightdm service (gpu hanged?).
>
> The errors are, see attached the full dmesg:
> [ 2899.525650] amdgpu 0000:03:00.0: couldn't schedule ib on ring <sdma0>
> [ 2899.525769] [drm:amdgpu_job_run [amdgpu]] *ERROR* Error scheduling IBs
> (-22)
> [ 2909.125047] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx
> timeout, last signaled seq=174624, last emitted seq=174627
> [ 2909.125060] [drm] IP block:psp is hung!
> [ 2909.125063] [drm] GPU recovery disabled.
> [ 2914.756931] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR*
> amdgpu_cs_list_validate(validated) failed.
> [ 2914.756997] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* Failed to process
> the buffer list -16!
> [ 2914.997372] amdgpu 0000:03:00.0: couldn't schedule ib on ring <sdma0>
> [ 2914.997498] [drm:amdgpu_job_run [amdgpu]] *ERROR* Error scheduling IBs
> (-22)
> [ 2930.117275] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR*
> amdgpu_cs_list_validate(validated) failed.
> [ 2930.117405] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* Failed to process
> the buffer list -16!
> [ 2930.152015] [drm:amdgpu_fill_buffer [amdgpu]] *ERROR* Trying to clear
> memory with ring turned off.
> [ 2930.157940] [drm:amdgpu_fill_buffer [amdgpu]] *ERROR* Trying to clear
> memory with ring turned off.
> [ 2930.180535] [drm:amdgpu_fill_buffer [amdgpu]] *ERROR* Trying to clear
> memory with ring turned off.
> [ 2933.781692] IPv6: ADDRCONF(NETDEV_CHANGE): wlp2s0: link becomes ready
> [ 2945.477205] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR*
> amdgpu_cs_list_validate(validated) failed.
> [ 2945.477348] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* Failed to process
> the buffer list -16!
>
> System details:
> HP Envy x360 Ryzen 2500U
> ArchLinux, kernel 4.16rc6 and 4.15.12
>
> Cheers,
> bráulio
>
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