[Bug 100052] New: [BAT] [HSW] igt at gem_exec_parallel@basic fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100052

            Bug ID: 100052
           Summary: [BAT] [HSW] igt at gem_exec_parallel@basic fails
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: dorota.czaplejewicz at collabora.co.uk
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 130051
  --> https://bugs.freedesktop.org/attachment.cgi?id=130051&action=edit
Dmesg (redacted for size)

The test igt at gem_exec_parallel@basic fails on HSW i7-4770R about 45% of the
time.

CPU: i7-4770R
Kernel: drm-tip: 2017y-02m-27d-07h-11m-41s
OS: Fedora 25

Log:
$ sudo ./gem_exec_parallel --r basic
IGT-Version: 1.17-gd91fec7 (x86_64) (Linux: 4.10.0-CI-CI_DRM_2269_15ccc64+
x86_64)
(gem_exec_parallel:13117) CRITICAL: Test assertion failure function all, file
gem_exec_parallel.c:253:
(gem_exec_parallel:13117) CRITICAL: Failed assertion:
intel_detect_and_clear_missed_interrupts(fd) == 0
(gem_exec_parallel:13117) CRITICAL: error: 16 != 0
Stack trace:
  #0 [__igt_fail_assert+0xf1]
  #1 [all+0x491]
  #2 [<unknown>+0x491]
  #3 [<unknown>+0x491]
Subtest basic failed.
**** DEBUG ****
(gem_exec_parallel:13117) DEBUG: Test requirement passed: nengine
(gem_exec_parallel:13117) DEBUG: Verifying result (pass=0, handle=1)
(gem_exec_parallel:13117) DEBUG: Verifying result (pass=1, handle=2)
(gem_exec_parallel:13117) DEBUG: Verifying result (pass=2, handle=3)
(gem_exec_parallel:13117) DEBUG: Verifying result (pass=3, handle=4)
(gem_exec_parallel:13117) DEBUG: Verifying result (pass=4, handle=5)
(gem_exec_parallel:13117) DEBUG: Verifying result (pass=5, handle=6)
(gem_exec_parallel:13117) DEBUG: Verifying result (pass=6, handle=7)
(gem_exec_parallel:13117) DEBUG: Verifying result (pass=7, handle=8)
(gem_exec_parallel:13117) DEBUG: Verifying result (pass=8, handle=9)
(gem_exec_parallel:13117) DEBUG: Verifying result (pass=9, handle=10)
(gem_exec_parallel:13117) DEBUG: Verifying result (pass=10, handle=11)
(gem_exec_parallel:13117) DEBUG: Verifying result (pass=11, handle=12)
(gem_exec_parallel:13117) DEBUG: Verifying result (pass=12, handle=13)
(gem_exec_parallel:13117) DEBUG: Verifying result (pass=13, handle=14)
(gem_exec_parallel:13117) DEBUG: Verifying result (pass=14, handle=15)
(gem_exec_parallel:13117) DEBUG: Verifying result (pass=15, handle=16)
(gem_exec_parallel:13117) CRITICAL: Test assertion failure function all, file
gem_exec_parallel.c:253:
(gem_exec_parallel:13117) CRITICAL: Failed assertion:
intel_detect_and_clear_missed_interrupts(fd) == 0
(gem_exec_parallel:13117) CRITICAL: error: 16 != 0
****  END  ****
Subtest basic: FAIL (8.760s)

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