[Bug 80419] XCOM: Enemy Unknown Causes lockup

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80419

AmarildoJr <amarildosjr at riseup.net> changed:

           What    |Removed                     |Added
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                 CC|                            |amarildosjr at riseup.net

--- Comment #143 from AmarildoJr <amarildosjr at riseup.net> ---
(In reply to Alassane Maiga from comment #141)
> Well I can reliably make it stop locking the system completely now. I switch
> to console with ctrl+alt+f2 as soon as the game locks up and then back as
> soon as the ring stall messages start to fill up the screen. When I am back
> the game is not frozen anymore, but extremely slow. In fact all opengl
> related rendering becomes slow. And I get this message each time I switch to
> console :
> "GPU fault detected 146 0x0904xxxc
> VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00029E48
> VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x040xxxxC"
> 
> How should I give more information?
> 
> If I restart the performance comes back to normal

I think is a similar effect of when DPM is disabled (with 'radeon.dpm=0'). I'm
interested to know if DPM has a finger on this issue or not.

Here's a "git diff" between si_dpm.c from kernel 3.16 and 4.7.2:
http://pastebin.com/raw/UzZFfYgp

Perhaps there are some hints in there.

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