[Bug 75789] New: [BDW Regression]igt some pm_pc8 subcases fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75789

          Priority: medium
            Bug ID: 75789
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [BDW Regression]igt some pm_pc8 subcases fail
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 95144
  --> https://bugs.freedesktop.org/attachment.cgi?id=95144&action=edit
dmesg

System Environment:
--------------------------
Platform: Broadwell
kernel: drm-intel-nightly/0dfe3ce67bbd11c5b5e53250b0552ac2f36ac668

Bug detailed description:
---------------------------
Some pm_pc8 subcases fail on Broadwell with -nightly kernel.

The latest known good commit: 42aa254c65fa47fbea38a268814f815166adc056
The latest known bad commit: 072d358bf03d0c39dc83bce0b93801d030d2324f

run ./pm_pc8 --run-subtest debugfs-read
output:
IGT-Version: 1.5-g072d358 (x86_64) (Linux:
3.14.0-rc4_drm-intel-nightly_0dfe3c_20140303+ x86_64)
Runtime PM support: 0
PC8 residency support: 1
Test assertion failure function debugfs_read_subtest, file pm_pc8.c:981:
Last errno: 5, Input/output error
Failed assertion: wait_for_suspended()
Subtest debugfs-read: FAIL

Reproduce steps:
---------------------------- 
1. ./pm_pc8 --run-subtest debugfs-read

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are on the CC list for the bug.
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20140305/a4d20b07/attachment.html>