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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 - GPU Hangs since Kernel-4.2 upgrade"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91894">91894</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>GPU Hangs since Kernel-4.2 upgrade
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<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>major
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>krejzi@email.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>It hangs soon as Firefox starts playing any HTML5 video. ickle highlighted it
might be an issue with vaapi, which I can confirm that Firefox is using. As a
side note, the same thing happens on weston when playing video in epiphany,
which also uses gstreamer and utilizes gstreamer-vaapi.
Relevant info from dmesg:
Sep 04 07:16:56 krejzi kernel: [drm] stuck on render ring
Sep 04 07:16:56 krejzi kernel: [drm] stuck on blitter ring
Sep 04 07:16:56 krejzi kernel: [drm] GPU HANG: ecode 6:0:0xf4e9fffe, in Xorg
[400], reason: Ring hung, action: reset
Sep 04 07:16:56 krejzi kernel: [drm] GPU hangs can indicate a bug anywhere in
the entire gfx stack, including userspace.
Sep 04 07:16:56 krejzi kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Sep 04 07:16:56 krejzi kernel: [drm] drm/i915 developers can then reassign to
the right component if it's not a kernel issue.
Sep 04 07:16:56 krejzi kernel: [drm] The gpu crash dump is required to analyze
gpu hangs, so please always attach it.
Sep 04 07:16:56 krejzi kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Sep 04 07:16:56 krejzi kernel: [drm:i915_set_reset_status] *ERROR* gpu hanging
too fast, banning!
Sep 04 07:16:56 krejzi kernel: drm/i915: Resetting chip after gpu hang
Sep 04 07:17:20 krejzi kernel: [drm] stuck on render ring
Sep 04 07:17:20 krejzi kernel: [drm] GPU HANG: ecode 6:0:0x87e8fffd, in
kwin_x11 [560], reason: Ring hung, action: reset
Sep 04 07:17:20 krejzi kernel: drm/i915: Resetting chip after gpu hang
/sys/class/drm/card0/error, from two different hangs:
<a href="http://www.linuxfromscratch.org/~krejzi/error.log">http://www.linuxfromscratch.org/~krejzi/error.log</a>
<a href="http://www.linuxfromscratch.org/~krejzi/error2.log">http://www.linuxfromscratch.org/~krejzi/error2.log</a>
Linux-4.2, libdrm-2.4.64, mesa-11.0.0-rc2, xorg-server-1.17.99.901,
xf86-video-intel-2.99.917 (git from today, with UXA acceleration backend, but
I've tried SNA too, no diff), libva-1.6.0, libva-intel-driver-1.6.0,
gstreamer-1.5.90, gstreamer-vaapi-0.6.0</pre>
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