The WARN stack trace after GPU reset kicks in points to not the latest 
code - can you please try running the same with kernel at the tip of 
https://cgit.freedesktop.org/~agd5f/linux/log/?h=amd-staging-drm-next ?

Andrey

On 12/5/19 6:14 PM, Christian Pernegger wrote:
> Hello,
>
> one of my computers has been crashing while gaming rather a lot
> lately, with kernel messages pointing to amdgpu. First line see
> subject, rest in the attached log.
> SSH still works, attempts to shutdown/reboot don't quite finish.
>
> Radeon VII in an Asus Pro WS X570-Ace. Ubuntu 18.04.3 HWE, mesa-aco.
> This one was with kernel 5.3.0-24-generic [hwe-edge], mesa
> 19.3.0+aco+git1575452833-3409c06e26d-1bionic1, vesa20_* from
> linux-firmware-20191022, running Ori and the Blind Forest: Definitive
> Edition via Proton/WINED3D11 under Steam Remote Play. I've had similar
> crashes sporadically even with 5.0 [plain hwe] and linux-firmware
> completely stock, and with native games (e.g. Crusader Kings II)
> running locally.
> It used to be maybe once every other week, though, that was tolerable,
> now Ori usually triggers it in under an hour. Turning off ACO via
> RADV_PERFTEST=llvm makes it worse (not bad enough to make it trigger
> quickly and reliably. though), going back to kernel 5.0 helps (as in
> an hour or two might go by without a crash, but the performance impact
> is severe).
>
> All very vague. Which is why this isn't pretending to be a bug report,
> just a "has anyone seen this?" kind of shout-out. If it's worthy of
> following up, I'd be happy to provide further info, just tell me what.
>
> Cheers,
> C.
>
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