[Bug 97130] [IVB/GLK/APL] gem_tiled_swapping threaded oom killed, high number of writeback pages/not freed/OOM killer should be excluded?

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97130

--- Comment #15 from Humberto Israel Perez Rodriguez <humberto.i.perez.rodriguez at intel.com> ---
(In reply to Humberto Israel Perez Rodriguez from comment #14)
> (In reply to Imre Deak from comment #13)
> > (In reply to Humberto Israel Perez Rodriguez from comment #12)
> > > Created attachment 132344 [details]
> > > kern_GLK.log
> > 
> > Hi Humberto,
> > 
> > the dmesg logs you attach don't contain any error, so I'm not sure what's
> > failing for you on APL and GLK. Could you provide the output of the failing
> > IGT tests and the dmesg log right after you captured the IGT failures on
> > both platforms?
> > 
> > Also please provide the output of 'free -h' on the failing platforms.
> > 
> > Thanks.
> 
> Hi Imre, right now a IGT execution in on going for BXT and GLK, i expected
> that this execution will be finished on this week in order to double check
> this failures.
> 
> Cheers




the following test : igt at gem_fence_upload@wc-contention on GLK still fail,
please see the following information

stdoutput
=================================================
IGT-Version: 1.19-ga844ccb (x86_64) (Linux: 4.12.0-drm-tip-ww28-commit-bd5641a+
x86_64)
Contended upload rate for 1 linear threads/wc:  167.715MiB/s
Contended upload rate for 1 tiled threads/wc:   173.788MiB/s
Contended upload rate for 2 linear threads/wc:   68.887MiB/s
Contended upload rate for 2 tiled threads/wc:    70.537MiB/s
Contended upload rate for 4 linear threads/wc:   42.922MiB/s
Contended upload rate for 4 tiled threads/wc:    48.634MiB/s
Contended upload rate for 8 linear threads/wc:   52.614MiB/s
Contended upload rate for 8 tiled threads/wc:    55.096MiB/s
Contended upload rate for 16 linear threads/wc:  56.516MiB/s
Contended upload rate for 16 tiled threads/wc:   49.295MiB/s
Contended upload rate for 32 linear threads/wc:  52.445MiB/s
Contended upload rate for 32 tiled threads/wc:   54.054MiB/s
Contended upload rate for 64 linear threads/wc:  50.370MiB/s
Contended upload rate for 64 tiled threads/wc:   51.426MiB/s
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [__real_main391+0xca7]
  #2 [main+0x33]
  #3 [__libc_start_main+0xf1]
  #4 [_start+0x29]
  #5 [<unknown>+0x29]
Subtest wc-contention: FAIL (77.899s)

stderror
================================================
gem_fence_upload:32455) CRITICAL: Test assertion failure function
wc_contention, file gem_fence_upload.c:387:
(gem_fence_upload:32455) CRITICAL: Failed assertion: linear[1] > 0.75 *
linear[0]
Subtest wc-contention failed.
**** DEBUG ****
(gem_fence_upload:32455) drmtest-DEBUG: Test requirement passed: !(fd<0)
(gem_fence_upload:32455) igt-debugfs-DEBUG: Opening debugfs directory
'/sys/kernel/debug/dri/0'
(gem_fence_upload:32455) DEBUG: Test requirement passed: gem_mmap__has_wc(fd)
(gem_fence_upload:32455) DEBUG: Test requirement passed: num_fences > 0
(gem_fence_upload:32455) INFO: Contended upload rate for 1 linear threads/wc:  
167.715MiB/s
(gem_fence_upload:32455) INFO: Contended upload rate for 1 tiled threads/wc:   
173.788MiB/s
(gem_fence_upload:32455) INFO: Contended upload rate for 2 linear threads/wc:  
 68.887MiB/s
(gem_fence_upload:32455) INFO: Contended upload rate for 2 tiled threads/wc:   
 70.537MiB/s
(gem_fence_upload:32455) INFO: Contended upload rate for 4 linear threads/wc:  
 42.922MiB/s
(gem_fence_upload:32455) INFO: Contended upload rate for 4 tiled threads/wc:   
 48.634MiB/s
(gem_fence_upload:32455) INFO: Contended upload rate for 8 linear threads/wc:  
 52.614MiB/s
(gem_fence_upload:32455) INFO: Contended upload rate for 8 tiled threads/wc:   
 55.096MiB/s
(gem_fence_upload:32455) INFO: Contended upload rate for 16 linear threads/wc: 
 56.516MiB/s
(gem_fence_upload:32455) INFO: Contended upload rate for 16 tiled threads/wc:  
 49.295MiB/s
(gem_fence_upload:32455) INFO: Contended upload rate for 32 linear threads/wc: 
 52.445MiB/s
(gem_fence_upload:32455) INFO: Contended upload rate for 32 tiled threads/wc:  
 54.054MiB/s
(gem_fence_upload:32455) INFO: Contended upload rate for 64 linear threads/wc: 
 50.370MiB/s
(gem_fence_upload:32455) INFO: Contended upload rate for 64 tiled threads/wc:  
 51.426MiB/s
(gem_fence_upload:32455) CRITICAL: Test assertion failure function
wc_contention, file gem_fence_upload.c:387:
(gem_fence_upload:32455) CRITICAL: Failed assertion: linear[1] > 0.75 *
linear[0]
****  END  ****


return code 99


free -h output on GLK
===========================================
              total        used        free      shared  buff/cache   available
Mem:           3.7G        290M        3.1G         12M        307M        3.2G
Swap:           15G          0B         15G

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