[Bug 74958] New: [HSW]igt/pm_rps/min-max-config-idle fails with -fixes kernel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=74958

          Priority: medium
            Bug ID: 74958
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [HSW]igt/pm_rps/min-max-config-idle fails with -fixes
                    kernel
        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 94040
  --> https://bugs.freedesktop.org/attachment.cgi?id=94040&action=edit
dmesg

System Environment:
--------------------------
Platform: Haswell
Kernel: (drm-intel-fixes) 2f589112609b0a964b3d78c99c0f3a83ac16add6

Bug detailed description:
-----------------------------
New case pm_rps/min-max-config-idle fails on haswell with -fixes kernel. It
works well on -nightly and -queued kernel.

output:
IGT-Version: 1.5-g9597836 (x86_64) (Linux:
3.13.0-rc8_drm-intel-fixes_2f5891_20140214+ x86_64)
Test assertion failure function idle_check, file pm_rps.c:437:
Last errno: 22, Invalid argument
Failed assertion: freqs[CUR] == freqs[MIN]
Subtest min-max-config-idle: FAIL

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

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