[Bug 89134] New: [HSW]igt/kms_flip/2x-vblank-vs-dpms-suspend failed

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89134

            Bug ID: 89134
           Summary: [HSW]igt/kms_flip/2x-vblank-vs-dpms-suspend failed
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: hengx.ding at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 113456
  --> https://bugs.freedesktop.org/attachment.cgi?id=113456&action=edit
dmesg

==System Environment==
--------------------------
Regression: yes
Non-working platforms:  BYT
==kernel==
--------------------------
drm-intel-nightly/dbd79c545cbbf63785cbda8d13260b3e827f0f6d(2015-02-13)


==Bug detailed description==
-----------------------------
Affectted cases:
igt/kms_flip/2x-vblank-vs-dpms-suspend
igt/kms_flip/2x-vblank-vs-dpms-suspend-interruptible

 ./kms_flip --run-subtest 2x-vblank-vs-dpms-suspend-interruptible
IGT-Version: 1.9-g9846e7f (x86_64) (Linux:
3.19.0_drm-intel-nightly_dbd79c_20150213+ x86_64)
Using monotonic timestamps
Beginning 2x-vblank-vs-dpms-suspend-interruptible on crtc 20:24, connector
30:42
  1024x768 60 1024 1048 1184 1344 768 771 777 806 0xa 0x40 65000
  1024x768 60 1024 1048 1184 1344 768 771 777 806 0xa 0x40 65000
.rtcwake: wakeup from "mem" using /dev/rtc0 at Fri Feb 13 08:45:01 2015
.rtcwake: wakeup from "mem" using /dev/rtc0 at Fri Feb 13 08:45:04 2015
(kms_flip:5415) CRITICAL: Test assertion failure function check_state, file
kms_flip.c:640:
(kms_flip:5415) CRITICAL: Failed assertion: timercmp(&es->last_received_ts,
&es->current_ts, <)
(kms_flip:5415) CRITICAL: Last errno: 4, Interrupted system call
(kms_flip:5415) CRITICAL: vblank ts before the vblank was issued!
timerdiff -1s, 994769us
Subtest 2x-vblank-vs-dpms-suspend-interruptible: FAIL (1.892s)
root at x-hsw25:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_flip
--run-subtest 2x-vblank-vs-dpms-suspend
IGT-Version: 1.9-g9846e7f (x86_64) (Linux:
3.19.0_drm-intel-nightly_dbd79c_20150213+ x86_64)
Using monotonic timestamps
Beginning 2x-vblank-vs-dpms-suspend on crtc 20:24, connector 30:42
  1024x768 60 1024 1048 1184 1344 768 771 777 806 0xa 0x40 65000
  1024x768 60 1024 1048 1184 1344 768 771 777 806 0xa 0x40 65000
.rtcwake: wakeup from "mem" using /dev/rtc0 at Fri Feb 13 08:46:07 2015
.rtcwake: wakeup from "mem" using /dev/rtc0 at Fri Feb 13 08:46:10 2015
(kms_flip:5430) CRITICAL: Test assertion failure function check_state, file
kms_flip.c:640:
(kms_flip:5430) CRITICAL: Failed assertion: timercmp(&es->last_received_ts,
&es->current_ts, <)
(kms_flip:5430) CRITICAL: vblank ts before the vblank was issued!
timerdiff -1s, 994585us
Subtest 2x-vblank-vs-dpms-suspend: FAIL (1.879s)



==Reproduce steps==
---------------------------- 
1. ./kms_flip --run-subtest 2x-vblank-vs-dpms-suspend-interruptible
2. ./kms_flip --run-subtest 2x-vblank-vs-dpms-suspend

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