Bug 83645 - [ILK/SNB Bisected]igt/kms_flip/flip-vs-expired-vblank-interruptible fails
Summary: [ILK/SNB Bisected]igt/kms_flip/flip-vs-expired-vblank-interruptible fails
Status: CLOSED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: unspecified
Hardware: Other All
: high normal
Assignee: Ville Syrjala
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-09-09 03:21 UTC by Guo Jinxian
Modified: 2017-10-06 14:35 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:

Attachments
dmesg (86.67 KB, text/plain)
2014-09-09 03:21 UTC, Guo Jinxian 		no flags Details
View All

Description Guo Jinxian 2014-09-09 03:21:03 UTC 
Created attachment 105947 [details]
dmesg

==System Environment==
--------------------------
Regression: Yes.
Bisected

Non-working platforms: ILK SNB

==kernel==
--------------------------
origin/drm-intel-nightly: 4a3d32734bdcef6813b31f06a58430436e98711e(fails)
    drm-intel-nightly: 2014y-09m-08d-18h-33m-01s integration manifest
origin/drm-intel-next-queued: 9c787942907face82da505c2c5493998b56cfc5a(works)
    drm/i915: Decouple the stuck pageflip on modeset
origin/drm-intel-fixes: 25fc92b99f65bec7d7c747c0305f048d7b19cc44(works)
    drm/i915: Fix EIO/wedged handling in gem fault handler

==Bug detailed description==
-----------------------------
igt/kms_flip/flip-vs-expired-vblank-interruptible fails

Output:
[root@x-sgb4 tests]# ./kms_flip --run-subtest flip-vs-expired-vblank-interruptible
IGT-Version: 1.7-ga16ebcc (i686) (Linux: 3.17.0-rc4_drm-intel-nightly_4a3d32_20140909+ i686)
Using monotonic timestamps
Beginning flip-vs-expired-vblank-interruptible on crtc 8, connector 14
  1920x1080 60 1920 2008 2052 2200 1080 1084 1089 1125 0x5 0x48 148500
.Test assertion failure function run_test_step, file kms_flip.c:838:
Failed assertion: timercmp(&reply.ts, &o->flip_state.last_ts, ==)
Last errno: 4, Interrupted system call
Subtest flip-vs-expired-vblank-interruptible: FAIL

==Reproduce steps==
---------------------------- 
1. ./kms_flip --run-subtest flip-vs-expired-vblank-interruptible

==Bisect results==
----------------------------
Bisect shows: f62a4a39d0730b1739c552edcf8179bf9b964b50 is the first bad commit
commit f62a4a39d0730b1739c552edcf8179bf9b964b50
Merge: 14470a1 80b36f4
Author:     Daniel Vetter <daniel.vetter@ffwll.ch>
AuthorDate: Thu Aug 28 18:02:58 2014 +0200
Commit:     Daniel Vetter <daniel.vetter@ffwll.ch>
CommitDate: Thu Aug 28 18:02:58 2014 +0200

    Merge remote-tracking branch 'origin/topic/vblank-rework' into drm-intel-nightly
    
    Conflicts:
    	drivers/gpu/drm/drm_irq.c
Comment 1 Jani Nikula 2014-09-09 07:38:26 UTC 
Can you bisect into the merge please?
Comment 2 Guo Jinxian 2014-09-17 05:39:12 UTC 
Test passes on latest -nightly(ab7f1ab9c4d1c8af46517d60e54eeda9d8673f6a)


[root@x-sgb4 tests]# ./kms_flip --run-subtest flip-vs-expired-vblank-interruptible
IGT-Version: 1.8-g137877f (i686) (Linux: 3.17.0-rc5_drm-intel-nightly_ab7f1a_20140917+ i686)
Using monotonic timestamps
Beginning flip-vs-expired-vblank-interruptible on crtc 8, connector 14
  1024x768 60 1024 1048 1184 1344 768 771 777 806 0xa 0x40 65000
..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
flip-vs-expired-vblank-interruptible on crtc 8, connector 14: PASSED

Beginning flip-vs-expired-vblank-interruptible on crtc 12, connector 14
  1024x768 60 1024 1048 1184 1344 768 771 777 806 0xa 0x40 65000
..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
flip-vs-expired-vblank-interruptible on crtc 12, connector 14: PASSED

Subtest flip-vs-expired-vblank-interruptible: SUCCESS (30.225s)
[root@x-sgb4 tests]# echo $?
0
Comment 3 Elizabeth 2017-10-06 14:35:50 UTC 
Closing old verified.

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.