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

Tue Jul 25 13:57:17 UTC 2017

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

Imre Deak <imre.deak at intel.com> changed:

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

--- Comment #17 from Imre Deak <imre.deak at intel.com> ---
(In reply to Humberto Israel Perez Rodriguez from comment #15)
> (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

Thanks. Still missing the dmesg output right after this test run fail. Please
provide the test stdout, stderr outputs + the dmesg captured right after the
test run.

> 
> 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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