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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 - Constant GPU VM faults"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95517">95517</a>
</td>
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<th>Summary</th>
<td>Constant GPU VM faults
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr>
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<th>Version</th>
<td>7.7 (2012.06)
</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>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>Driver/Radeon
</td>
</tr>
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<th>Assignee</th>
<td>xorg-driver-ati@lists.x.org
</td>
</tr>
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<th>Reporter</th>
<td>lumetili@gmail.com
</td>
</tr>
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<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=123957" name="attach_123957" title="dmesg">attachment 123957</a> <a href="attachment.cgi?id=123957&action=edit" title="dmesg">[details]</a></span>
dmesg
With some uptime I eventually start getting these GPU VM faults:
[106098.543115] VM fault (0x0c, vmid 6) at page 58321, read from TC (68)
[106098.543119] radeon 0000:02:00.0: GPU fault detected: 146 0x0a0c480c
[106098.543121] radeon 0000:02:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR
0x0000E3CB
[106098.543123] radeon 0000:02:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS
0x0C00800C
It's always the same fault number but the memory addresses(?) change.
See attached dmesg.
My system doesn't crash, but black glitches do appear on the screen and I need
to switch desktops or move windows around to make them go away.
KDE desktop with compositing enabled.
I'm running Arch Linux with latest stable packages:
Linux carrier 4.5.4-1-ARCH #1 SMP PREEMPT Wed May 11 22:21:28 CEST 2016 x86_64
GNU/Linux
Name : xf86-video-ati
Version : 1:7.7.0-1
P.S. I use pci=nommconf because I have massive issues with PCI-E devices
otherwise (radeon goes nuts coincidentally).</pre>
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