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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 - system video hangs on video switch to fullscreen"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89985">89985</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>system video hangs on video switch to fullscreen
</td>
</tr>
<tr>
<th>Product</th>
<td>Mesa
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>blocker
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>Drivers/DRI/nouveau
</td>
</tr>
<tr>
<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mbarrera@gmx.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Occasionally, when switching any video playback into full-screen, all system
video, except for the mouse pointer, hangs until reboot. It is possible to SSH
into the machine for a while until it freezes completely.
Video card: NVIDIA Corporation GK104M [GeForce GTX 670MX] (rev a1)
Operating system: Archlinux with linux 3.19.3-3-ARCH
nouveau-fw is installed and nouveau.config=NvGrUseFW=1 is in the kernel
parameters.
I logged in via SSH into the blocked machine and dumped dmesg's output, it
produced a 6MiB sized file of only:
[ 432.267634] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 6
[gstglcontext[1984]] subc 0 mthd 0x000c data 0x2001054e
[ 432.267645] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: METHOD
[ 432.267647] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 6
[gstglcontext[1984]] subc 0 mthd 0x000c data 0x2001054e
[ 432.267658] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: METHOD
[ 432.267661] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 6
[gstglcontext[1984]] subc 0 mthd 0x000c data 0x2001054e
[ 432.267672] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: METHOD
[ 432.267674] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 6
[gstglcontext[1984]] subc 0 mthd 0x000c data 0x2001054e
[ 432.267685] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: METHOD
[ 432.267687] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 6
[gstglcontext[1984]] subc 0 mthd 0x000c data 0x2001054e
[ 432.267698] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: METHOD
[ 432.267701] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 6
[gstglcontext[1984]] subc 0 mthd 0x000c data 0x2001054e
[ 432.267712] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: METHOD
[ 432.267714] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 6
[gstglcontext[1984]] subc 0 mthd 0x000c data 0x2001054e
[ 432.267725] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: METHOD
[ 432.267727] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 6
[gstglcontext[1984]] subc 0 mthd 0x000c data 0x2001054e
[ 432.267738] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: METHOD
[ 432.267741] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 6
[gstglcontext[1984]] subc 0 mthd 0x000c data 0x2001054e
[ 432.267752] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: METHOD
[ 432.267754] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 6
[gstglcontext[1984]] subc 0 mthd 0x000c data 0x2001054e
[ 432.267765] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: METHOD
[ 432.267767] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 6
[gstglcontext[1984]] subc 0 mthd 0x000c data 0x2001054e
[ 432.267777] systemd-journald[276]: /dev/kmsg buffer overrun, some messages
lost.</pre>
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</p>
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