[Bug 107760] GPU Hang when Playing DiRT 3 Complete Edition using Steam Play with DXVK

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Sep 6 01:49:36 UTC 2018


--- Comment #20 from leozinho29_eu at hotmail.com ---
Created attachment 141466
  --> https://bugs.freedesktop.org/attachment.cgi?id=141466&action=edit
Logs and screenshot

The attached file has logs and the screenshot. What the screenshot does not
show is that all shadows disappeared while the hang was happening. After the
game froze the shadows reappeared. May the shadows be the culprit of this hang
I'm experiencing?

I'm seeing GPU hangs in stages in the morning. Under rain, fog, wet or night
I've seen no hangs after the patches. I would have to test more in evening, but
so far I was unable to cause the hang in tracks at evening.

To test this hypothesis, I ran in a stage at night (Baroque, the same from the
hangs from this and the previous screenshots in the tar.gz files when in
morning) and let its replay playing while I was asleep. 7 hours later the game
was still running, but with significant memory usage.

This is the image showing memory usage after the replay playing for 7 hours:

Notice the high swap usage even with many gigabytes "free". Opening new
applications made more swap happen, it was never using anything further than
2,86 GB, as if that 5038 MiB "free" were, in fact, used. When reading logs, an
information makes this strange behavior be a bit logic. In the log file
dirt3_game_dxgi.log there is: 

info:    Memory Heap[0]: 
info:      Size: 4936 MiB

I don't think this is a coincidence. As it kept running for so long, maybe it
allocated all memory DXVK asked, basically locking it from other applications
and making most of the system swap.

Please understand I'm not a developer, I'm just making guesses with the
information I have and I can understand.

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