[Mesa-dev] [Bug 110345] Unrecoverable GPU crash with DiRT 4

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110345

--- Comment #14 from Riikka <PrincessRiikka at gmail.com> ---
(In reply to Thomas Rohloff from comment #13)
> Shortly after my last reply I started a test with 4.18.12. At the moment
> it's still not frozen but I want to give it more time (cause of the low FPS).
> 
> Anyway, I saw someobody CCing this bug report. So @Riikka: Are you
> experiencing the same bug and if so would you mind sharing your system
> details (kernel, mesa and LLVM versions) ? Also do you have the time and
> skills to test other kernel versions and maybe even bisect (wait before my
> test on 4.18.12 is finished before doing your own testing to not waste time
> and energy) ?

I knew I should've been sneakier...

I don't have DiRT 4 (I think) so I can't say I have a crash when I play it. I
am, however, using an old card because it doesn't randomly crash things and
hang my system (sort of...??) with dmesg output like what's been posted all
over this place.

I don't know how much of my story I should post here since it's mostly more of
the same and this isn't necessarily the issue I had (discounting the particular
application's involvement). Also I apparently didn't keep records nearly as
much as I thought. 

I can handle building a bunch of kernels (thanks to my lovely Ryzen CPU that
only causes compiler segfaults sometimes (also I use Gentoo; please feel sorry
for me now)) and should be able to handle some debugging work though I'm
unfamiliar with graphics mechanisms at this level; it's more a matter of
patience. My latest efforts resulted in a system so flaky I was thinking I'd
need to replace the whole thing. I'm running on an old HD 6870 instead of my RX
580. It's not /physically/ hard to swap the cards, only emotionally :P

Shorter story: similar to several reports on this site: unpredictable hanging,
familiar dmesg output. SSH works, cursor works, audio works. Tried many things
(newer kernels (4.2x, 5.0.5, 5.0.7) (similar bugs keep getting fixed, just
never my one :( ), Mesa (late 18s, 19.x), all with LLVM 7.0.1 it seems), no
luck, just more pain with our friend "ring gfx timeout." Latest results were
veeeerryy strange crashiness in programs but seemingly less of the hanging. Now
using a cruddy old card instead because terminal-based roguelikes don't need
frame rates, will be trying things again soon. I added myself just to see if
there's any progress on these issues or something particular I can try or do to
help.

Someone save us. amdgpu is hurting our souls.

Also, I do want to bring up a couple of questions. What are the relevant
debugging tools, and is there any way to determine whether the problem is just
a bad video card?

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