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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>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Mouse pointer disappears with "Hangcheck timer elapsed... GPU hung""
href="https://bugs.freedesktop.org/show_bug.cgi?id=61477">61477</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>Mouse pointer disappears with "Hangcheck timer elapsed... GPU hung"
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Reporter</th>
<td>yarvin@yarchive.net
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=75544" name="attach_75544" title="i915_error_state">attachment 75544</a> <a href="attachment.cgi?id=75544&action=edit" title="i915_error_state">[details]</a></span>
i915_error_state
About once a week or so, randomly, I've been getting an error whose main
visible manifestation is that the mouse pointer disappears. (The mouse motion
logic is still active, and I can successfully click on things and change window
focus; it's just the pointer that disappears.) This is on a G965 chip:
00:02.0 VGA compatible controller: Intel Corporation 82G965 Integrated Graphics
Controller (rev 02) (prog-if 00 [VGA controller])
Subsystem: Intel Corporation Device 514d
Flags: bus master, fast devsel, latency 0, IRQ 47
Memory at e0400000 (32-bit, non-prefetchable) [size=1M]
Memory at d0000000 (64-bit, prefetchable) [size=256M]
I/O ports at 3410 [size=8]
Expansion ROM at <unassigned> [disabled]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 2
Kernel driver in use: i915
and with Linux kernel versions 3.7 and 3.8 (Gentoo), and xf86-video-intel
version 2.21.3 (and one or two prior versions, I'm not sure exactly which). I
don't think I had the bug with kernel 3.6; certainly not before that. When the
bug occurs, the system log has the lines:
Feb 25 22:23:00 muttonhead kernel: [drm:i915_hangcheck_hung] *ERROR*
Hangcheck timer elapsed... GPU hung
Feb 25 22:23:00 muttonhead kernel: [drm] capturing error event; look for
more information in /debug/dri/0/i915_error_state
Feb 25 22:23:01 muttonhead kernel: [drm:i915_reset] *ERROR* Failed to
reset chip.
and on another occasion there was also the line:
Feb 19 22:05:56 muttonhead kernel: [drm:kick_ring] *ERROR* Kicking stuck
wait on render ring
before the "failed to reset" line. After the bug occurs, I can still do pretty
much everything I've tried (if I can manage it without seeing the mouse
pointer), but I'm still using fvwm, and things might be different if I were
using a compositing window manager. The one other failure is that shutting
down X doesn't restore the console properly: it just gives me a blank screen.
(But not a hang; control-alt-delete still shuts down the machine properly.)</pre>
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