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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [IVB bisected] assert_scanout:531 assertion 'width == info.width && height == info.height' failed"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95401">95401</a>
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<tr>
<th>Summary</th>
<td>[IVB bisected] assert_scanout:531 assertion 'width == info.width && height == info.height' failed
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>Driver/intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
<tr>
<th>Reporter</th>
<td>chris.bainbridge@gmail.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
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<div>
<pre>With normal compile, Xorg starts up but mouse and keyboard are unresponsive.
With enable-debug=full compile, Xorg fails to start up:
[ 1632.814] (EE) 0: /usr/bin/X (xorg_backtrace+0x56) [0x55faada9ad46]
[ 1632.814] (EE) 1: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7fe7834a2000+0xafd96) [0x7fe783551d96]
[ 1632.814] (EE) 2: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7fe7834a2000+0xaffe4) [0x7fe783551fe4]
[ 1632.814] (EE) 3: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7fe7834a2000+0xc9940) [0x7fe78356b940]
[ 1632.814] (EE) 4: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7fe7834a2000+0xc826e) [0x7fe78356a26e]
[ 1632.814] (EE) 5: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7fe7834a2000+0xcb2c6) [0x7fe78356d2c6]
[ 1632.814] (EE) 6: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7fe7834a2000+0xce47c) [0x7fe78357047c]
[ 1632.814] (EE) 7: /usr/bin/X (WakeupHandler+0xaa) [0x55faad94011a]
[ 1632.815] (EE) 8: /usr/bin/X (WaitForSomething+0x1c3) [0x55faada97ff3]
[ 1632.815] (EE) 9: /usr/bin/X (0x55faad8e4000+0x57211) [0x55faad93b211]
[ 1632.815] (EE) 10: /usr/bin/X (0x55faad8e4000+0x5b596) [0x55faad93f596]
[ 1632.815] (EE) 11: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5)
[0x7fe787226b45]
[ 1632.815] (EE) 12: /usr/bin/X (0x55faad8e4000+0x4590e) [0x55faad92990e]
[ 1632.815] (EE)
[ 1632.815] (EE)
Fatal server error:
[ 1632.815] (EE) assert_scanout:531 assertion 'width == info.width && height
== info.height' failed
46caee86db0fb32b16213893c79d9c1a21ed0883 is the first bad commit
commit 46caee86db0fb32b16213893c79d9c1a21ed0883
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Wed Apr 20 21:37:35 2016 +0100
sna: Fix reporting of errno after setcrtc failure
As we now do more syscalls after the setcrtc, we cannot rely on errno
storing the pertinent error code. Instead we have to save it immediately
after the drmIoctl() and propagate that back.
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>></pre>
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