[Bug 75146] New: [SNB]igt/pm_rps/min-max-config-loaded fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75146

          Priority: medium
            Bug ID: 75146
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [SNB]igt/pm_rps/min-max-config-loaded fails
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 94271
  --> https://bugs.freedesktop.org/attachment.cgi?id=94271&action=edit
dmesg(nightly)

System Environment:
--------------------------
Platform: Sandybridge
kernel:   (drm-intel-nightly)1be8f2b4dd6d3db00af24d4891c82d2650bd282d

Bug detailed description:
---------------------------
New case pm_rps/min-max-config-loaded aborted on Sandybridge with -queued and
-nightly kernel. It fails on -fixes kernel.

output on -nightly kernel:
IGT-Version: 1.5-g9597836 (i686) (Linux:
3.13.0_drm-intel-nightly_1be8f2_20140218+ i686)
Test assertion failure function loaded_check, file pm_rps.c:460:
Last errno: 22, Invalid argument
Failed assertion: freqs[CUR] == freqs[MAX]
Subtest min-max-config-loaded: FAIL
Test assertion failure function igt_wait_helper, file drmtest.c:1279:
Last errno: 10, No child processes
Failed assertion: WIFEXITED(status) && WEXITSTATUS(status) == 0
pm_rps: drmtest.c:1113: igt_fail: Assertion `!test_with_subtests || in_fixture'
failed.
Aborted (core dumped)

output on -fixes knernel:
IGT-Version: 1.5-g9597836 (x86_64) (Linux:
3.13.0-rc8_drm-intel-fixes_f51a44_20140218+ x86_64)
Test assertion failure function loaded_check, file pm_rps.c:460:
Last errno: 2, No such file or directory
Failed assertion: freqs[CUR] == freqs[MAX]
Subtest min-max-config-loaded: FAIL


Reproduce steps:
---------------------------- 
1. ./pm_rps --run-subtest min-max-config-loaded

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