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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT HSW] kms_flip/basic-flip-vs-wf_vblank inter vblank ts jitter fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94347">94347</a>
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<tr>
<th>Summary</th>
<td>[BAT HSW] kms_flip/basic-flip-vs-wf_vblank inter vblank ts jitter fail
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>XOrg git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
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<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>imre.deak@intel.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
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<div>
<pre>On a HSW-GT2:
IGT-Version: 1.13-g925e5e1 (x86_64) (Linux: 4.5.0-rc6-gfxbench+ x86_64)
[...]
Beginning basic-flip-vs-wf_vblank on pipe C, connector HDMI-A-1
1920x1080 60 1920 2008 2052 2200 1080 1084 1089 1125 0x5 0x48 148500
Stack trace:
#0 [__igt_fail_assert+0x101]
#1 [check_state+0x32b]
#2 [<unknown>+0x32b]
Subtest basic-flip-vs-wf_vblank: FAIL (35.873s)
[...]
(kms_flip:6460) INFO: Beginning basic-flip-vs-wf_vblank on pipe C, connector
HDMI-A-1
(kms_flip:6460) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=1920,
height=1080, format=0x34325258 [bpp=32], tiling=0x0, size=0)
(kms_flip:6460) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=2, pitch=7680)
(kms_flip:6460) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=1920,
height=1080, format=0x34325258 [bpp=32], tiling=0x0, size=0)
(kms_flip:6460) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=3, pitch=7680)
(kms_flip:6460) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=1920,
height=1080, format=0x34325258 [bpp=32], tiling=0x100000000000001, size=0)
(kms_flip:6460) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=4, pitch=7680)
(kms_flip:6460) igt-kms-INFO: 1920x1080 60 1920 2008 2052 2200 1080 1084 1089
1125 0x5 0x48 148500
[...]
(kms_flip:6460) DEBUG: name = flip
last_ts = 340.777124 usec
last_received_ts = 340.776742 usec
last_seq = 635
current_ts = 340.943796 usec
current_received_ts = 340.943400 usec
current_seq = 645
count = 20
seq_step = 1
(kms_flip:6460) DEBUG: name = vblank
last_ts = 340.927124 usec
last_received_ts = 340.926727 usec
last_seq = 644
current_ts = 341.110458 usec
current_received_ts = 341.110125 usec
current_seq = 654
count = 20
seq_step = 10
(kms_flip:6460) CRITICAL: Test assertion failure function check_state, file
kms_flip.c:692:
(kms_flip:6460) CRITICAL: Failed assertion: fabs((((double) diff.tv_usec) -
usec_interflip) / usec_interflip) <= 0.005
(kms_flip:6460) CRITICAL: Last errno: 25, Inappropriate ioctl for device
(kms_flip:6460) CRITICAL: inter-vblank ts jitter: 0s, 183334usec
**** END ****</pre>
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