[Bug 75005] "Upvoid" segfault in radeonsi/llvm

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=75005

Christoph Haag <haagch.christoph@googlemail.com> changed:

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--- Comment #8 from Christoph Haag <haagch.christoph@googlemail.com> ---
Created attachment 97307
  --> https://bugs.freedesktop.org/attachment.cgi?id=97307&action=edit
dmesg with patched llvm

Sorry, I wasn't very active recently.

I'm not sure what you're asking for. In comment #4 there is a whole dmesg, but
I can add another one...

I am using linux 3.14 by now and recent mesa git, but with your branch of llvm.

I can maybe add a few details to the behavior:
When starting upvoid it displays a menu over a view of the game world. The gpu
faults start appearing in dmesg right when it starts displaying this. It
doesn't directly lockup and keeps rendering relatively well. When starting the
game I can walk and look around a bit and I noticed: When looking at the ground
the messages stop, but when looking in the distance, the messages are again
created, so I would think it's directly related to the complexity of the stuff
it is rendering.

After a while the game window stops reacting. At this point the game will take
up 100% "red" cpu time in htop and shortly after that the whole machine will
hard lockup.

I can't say if the lockup is because of excessive error logging or not. dmesg
--follow | pv > /dev/null says it's about 35 kilobyte/second.

The dmesg here is from starting the game, waiting a few seconds and then
killing it. When killing it early enough it doesn't seem to cause any problems,
seems to recover nicely.

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