[Bug 89728] [HSW/BDW/BSW/SKL bisected] igt/pm_rps/ subcases reset and blocking fail

[bugzilla-daemon at freedesktop.org]

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

--- Comment #13 from ye.tian <yex.tian at intel.com> ---
Test it on BDW with the latest nightly kernel and latest igt, it still exists.

output:
-------------
root at x-bsw08:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./pm_rps
--run-subtest reset
IGT-Version: 1.10-ge1ce5ea (x86_64) (Linux:
4.0.0_drm-intel-nightly_b9fe35_20150421+ x86_64)
Test assertion failure function matchit, file pm_rps.c:165:
Failed assertion: freqs1[CUR] == freqs2[CUR]
error: 200 != 640
Stack trace:
  #0 [__igt_fail_assert+0xf1]
  #1 [matchit+0x7a]
  #2 [__real_main660+0x378]
  #3 [main+0x21]
  #4 [__libc_start_main+0xf5]
  #5 [_start+0x29]
  #6 [<unknown>+0x29]
Subtest reset failed.
**** DEBUG ****
  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
gt freq (MHz):  cur=640  min=200  max=640  RP0=640  RP1=400  RPn=200
Waited 10000 msec to stabilize cur
Test assertion failure function matchit, file pm_rps.c:165:
Failed assertion: freqs1[CUR] == freqs2[CUR]
error: 200 != 640
****  END  ****
Subtest reset: FAIL (36.224s)
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
Stack trace:
  #0 [__igt_fail_assert+0xf1]
  #1 [load_helper_stop+0x48]
  #2 [pm_rps_exit_handler+0xfd]
  #3 [igt_atexit_handler+0x49]
  #4 [__libc_secure_getenv+0xf9]
  #5 [exit+0x15]
  #6 [igt_exit+0xde]
  #7 [_start+0x0]
  #8 [__libc_start_main+0xf5]
  #9 [_start+0x29]
  #10 [<unknown>+0x29]
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:949: igt_fail: Assertion `!test_with_subtests || in_fixture'
failed.
Aborted (core dumped)

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