[Bug 89728] New: [ HSW] igt/pm_rps/ subcases reset and blocking fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89728

            Bug ID: 89728
           Summary: [ HSW] igt/pm_rps/ subcases reset and blocking fail
           Product: DRI
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: high
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: yex.tian at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

System Environment:       
-----------------------------------------------------
Regression: Yes, regression on drm-intel-next-queued branch
Good commit: e0860aeed3980d1f7b564e1b5cf51ea26740542f
Bad  commit: 0b37a9a9ebdf47dc9d5290a1c69bd944dde5cc15

Non-working platforms: HSW

==Kernel==
--------------------------------------------------
commit 0b37a9a9ebdf47dc9d5290a1c69bd944dde5cc15
Author: Michel Thierry <michel.thierry at intel.com>
...skipping...
    drm/i915: Do not leak objects after capturing error state

    While running kmemleak chasing a different memleak, I saw that the
    capture_error_state function was leaking some objects, for example:


==Bug detailed description==
Igt/pm_rps subcases reset and blocking fail
Output:
IGT-Version: 1.10-ge7d26df (x86_64) (Linux:
4.0.0-rc4_drm-intel-nightly_294a23_20150321_                                   
                                            debug+ x86_64)
Test assertion failure function checkit, file pm_rps.c:154:
Failed assertion: freqs[MIN] <= freqs[CUR]
error: 450 > 200
Subtest reset failed.
**** DEBUG ****
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
Waited 10000 msec to stabilize cur
Stop rings...
Ring stop cleared
Apply high load...
gt freq (MHz):  cur=200  min=450  max=1200  RP0=1200  RP1=350  RPn=200
Test assertion failure function checkit, file pm_rps.c:154:
Failed assertion: freqs[MIN] <= freqs[CUR]
error: 450 > 200
****  END  ****
Subtest reset: FAIL (25.744s)
Received signal SIGTERM.
Test assertion failure function load_helper_stop, file pm_rps.c:290:
Failed assertion: igt_wait_helper(&lh.igt_proc) == 0
Last errno: 10, No child processes
Test pm_rps failed.
**** DEBUG ****
Exiting with status code 99
Test assertion failure function load_helper_stop, file pm_rps.c:290:
Failed assertion: igt_wait_helper(&lh.igt_proc) == 0
Last errno: 10, No child processes
****  END  ****
pm_rps: igt_core.c:938: igt_fail: Assertion `!test_with_subtests || in_fixture'
failed.
Aborted (core dumped)

Reproduce steps:
----------------------------
1, ./pm_rps --run-subtest reset

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