[Bug 89039] [SKL]system will hang when running 3D games (e.g. etqw-demo)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89039

ye.tian <yex.tian at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW

--- Comment #41 from ye.tian <yex.tian at intel.com> ---
(In reply to Ben Widawsky from comment #40)
> (In reply to ye.tian from comment #35)
> > (In reply to Ben Widawsky from comment #34)
> > > With drm-intel-fixes and this patch, I go more than an hour before I hit a
> > > hang. I've seen it go as much as 4 hours. I am not sure that is the same
> > > hang as the original bug report.
> > > 
> > > If the behavior is confirmed, I'd like to merge the patch and close this bug.
> > 
> > 
> > Tested with drm-intel-fixes(5e4f51) and this patch, it will appear the below
> > info after running for a while and auto interrupt the process of the games.
> > "5988 Segmentation fault  (core dumped)"
> 
> How long is "a while"? Do you see the same behavior with other games as well
> if you run them for, "a while"?


Re-tested with drm-intel-fixes(2dccc9)and this patch, I found that GPU hang
after running about 3 minutes, (picture attach)but the etqw-demo will running
very slowly.
Maybe with you see the phenomenon is the same.
The padman demo is good.


Tested with -nightly(f7def4) and this patch: run result as below

time ./etqw-demo.sh
./etqw-demo.sh: line 15:  5886 Segmentation fault      (core dumped)
vbank_mode=0 ./etqw.x86 +set sys_VideoRam 64 +set r_mode 

-1 +set in_tty 0 +exec etqw-pts.cfg +set r_customWidth $w +set r_customHeight
$h +vid_restart > /tmp/tmp.log 2>&1

real    0m57.088s
user    0m41.197s
sys     0m3.875s

The padman demo is good.

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