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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 - multiple instances of buffer 186 on validation list"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95109">95109</a>
</td>
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<th>Summary</th>
<td>multiple instances of buffer 186 on validation list
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<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/nouveau
</td>
</tr>
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<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>chernoff@astro.cornell.edu
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
</tr></table>
<p>
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<pre>OS:
Linux localhost.localdomain 4.1.13-100.fc21.x86_64 #1 SMP Tue Nov 10 13:13:20
UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
Two mirrored screens: ASUS laptop screen and Viewsonic VP2650wb
Graphics card: NVIDIA Corporation G96M [GeForce 9650M GT] (rev a1)
System locks up with
kernel: nouveau E[gnome-shell[2035]] multiple instances of buffer 186 on
validation list
kernel: nouveau E[gnome-shell[2035]] validate_init
kernel: nouveau E[gnome-shell[2035]] validate: -22
gnome-session[1905]: nouveau: kernel rejected pushbuf: Invalid argument
followed by a dump of ch0: buf data (I can include if useful)
and then many messages of the form
kernel: nouveau E[ PGRAPH][0000:01:00.0] TRAP_PROP - TP 0 - RT_FAULT - Address
00465f0000
kernel: nouveau E[ PGRAPH][0000:01:00.0] TRAP_PROP - TP 0 - e0c: 00000000,
e18: 00000000, e1c: 00000000, e20: 00002a00, e24: 00030000
kernel: nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x003fc2a000 gnome-shell[2035]]
subc 3 class 0x8297 mthd 0x15e0 data 0x00000000
kernel: nouveau E[ PFB][0000:01:00.0] trapped write at 0x00465f0000 on
channel 0x0003fc2a [gnome-shell[2035]] PGRAPH/PROP/RT0 reason:
Gnome pointer is alive, no window buttons function. After about 2 minutes the
system returns to normal.</pre>
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