[Bug 104020] [IGT] igt at gem_exec_suspend@basic-[s3/s4-devices] fails with !"GPU hung" assertion

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104020

Elizabeth <elizabethx.de.la.torre.mena at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[IGT]                       |[IGT]
                   |igt at gem_exec_suspend@basic- |igt at gem_exec_suspend@basic-
                   |[s3/s4-devices] randomly    |[s3/s4-devices] fails with
                   |fails with !"GPU hung"      |!"GPU hung" assertion
                   |assertion                   |

--- Comment #5 from Elizabeth <elizabethx.de.la.torre.mena at intel.com> ---
On KBL,
igt at gem_exec_suspend@basic-s3
igt at gem_exec_suspend@basic-s4-devices

kern log from this cycle:
https://bugs.freedesktop.org/attachment.cgi?id=136328

dmesg after PM hybernate:
[   83.805593] [drm] GPU HANG: ecode 9:0:0xfffffffe, in gem_exec_suspen
[16810], reason: Hang on rcs0, action: reset

IGT-Version: 1.20-gd3bcc7d (x86_64) (Linux:
4.15.0-rc4-drm-intel-qa-ww51-commit-b480e79+ x86_64)
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [sig_abort+0x3a]
  #2 [killpg+0x40]
  #3 [ioctl+0x5]
  #4 [drmIoctl+0x28]
  #5 [__gem_execbuf+0x15]
  #6 [gem_execbuf+0x9]
  #7 [run_test+0x2d1]
  #8 [test_all+0x69]
  #9 [run_test+0x44e]
  #10 [__real_main243+0x13c]
  #11 [main+0x23]
  #12 [__libc_start_main+0xf1]
  #13 [_start+0x29]
  #14 [<unknown>+0x29]
Subtest basic-S4-devices: FAIL (15.837s)
Stderr  
(gem_exec_suspend:12272) igt-aux-CRITICAL: Test assertion failure function
sig_abort, file igt_aux.c:482:
(gem_exec_suspend:12272) igt-aux-CRITICAL: Failed assertion: !"GPU hung"
Subtest basic-S4-devices failed.

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