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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - sigsegv from "sna/dri2: Mark the pending backbuffer copy as active""
href="https://bugs.freedesktop.org/show_bug.cgi?id=90968">90968</a>
</td>
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<tr>
<th>Summary</th>
<td>sigsegv from "sna/dri2: Mark the pending backbuffer copy as active"
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
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<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>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>Driver/intel
</td>
</tr>
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<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
<tr>
<th>Reporter</th>
<td>andreas.reis@gmail.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Said bisected commit causes consistent crashes eg. when Steam loads its main
window:
[ 394.049] (EE) Backtrace:
[ 394.049] (EE) 0: /usr/bin/xorg-server/Xorg (OsLookupColor+0x139) [0x5f22a9]
[ 394.050] (EE) 1: /usr/lib/libc.so.6 (killpg+0x40) [0x7f28e1c095ef]
[ 394.050] (EE) 2: /usr/lib/xorg/modules/drivers/intel_drv.so
(chain_swap+0x95) [0x7f28dbec1265]
[ 394.050] (EE) 3: /usr/lib/xorg/modules/drivers/intel_drv.so
(sna_dri2_vblank_handler+0x259) [0x7f28dbec2ee9]
[ 394.050] (EE) 4: /usr/lib/xorg/modules/drivers/intel_drv.so
(sna_mode_wakeup+0x195) [0x7f28dbe10e05]
[ 394.051] (EE) 5: /usr/lib/xorg/modules/drivers/intel_drv.so
(sna_wakeup_handler+0xb0) [0x7f28dbe15270]
[ 394.051] (EE) 6: /usr/bin/xorg-server/Xorg (WakeupHandler+0xaa) [0x4427fa]
[ 394.051] (EE) 7: /usr/bin/xorg-server/Xorg (WaitForSomething+0x36e)
[0x5e904e]
[ 394.051] (EE) 8: /usr/bin/xorg-server/Xorg (SendErrorToClient+0x114)
[0x43c054]
[ 394.051] (EE) 9: /usr/bin/xorg-server/Xorg (remove_fs_handlers+0x414)
[0x441c04]
[ 394.051] (EE) 10: /usr/lib/libc.so.6 (__libc_start_main+0xf0)
[0x7f28e1bf6790]
[ 394.051] (EE) 11: /usr/bin/xorg-server/Xorg (_start+0x29) [0x427489]
4770, git versions & drm-intel-nightly</pre>
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</p>
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