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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ILK/SNB Bisected]igt/kms_flip/flip-vs-expired-vblank-interruptible fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83645">83645</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[ILK/SNB Bisected]igt/kms_flip/flip-vs-expired-vblank-interruptible fails
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jinxianx.guo@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=105947" name="attach_105947" title="dmesg">attachment 105947</a> <a href="attachment.cgi?id=105947&action=edit" title="dmesg">[details]</a></span>
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 <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
AuthorDate: Thu Aug 28 18:02:58 2014 +0200
Commit: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
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</pre>
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