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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GTK] WebProcess from WebKitGtk+ 2.13.91 hangs my Intel GPU"
href="https://bugs.webkit.org/show_bug.cgi?id=161862#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [GTK] WebProcess from WebKitGtk+ 2.13.91 hangs my Intel GPU"
href="https://bugs.webkit.org/show_bug.cgi?id=161862">bug 161862</a>
from <span class="vcard"><a class="email" href="mailto:agomez@igalia.com" title="Andres Gomez Garcia <agomez@igalia.com>"> <span class="fn">Andres Gomez Garcia</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=161862#c6">comment #6</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=161862#c5">comment #5</a>)
>
> > I will look for the version in which this started happening but I think it
> > was from 2.13.4 to 2.13.90 ...
>
> Yes, I think this was the case.
>
> In <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [GTK] Move the redirected XComposite window to the web process"
href="show_bug.cgi?id=160389">bug 160389</a> I commented that, using the patch proposed, my whole desktop
> was getting frozen. I didn't research much further but I suspect that the
> GPU hang was introduced by that patch.
>
> Then, the patch was committed and I moved back to the 2.12.x series in my
> daily use because 2.13.x was not usable in my box any more ...</span >
FTR, I'm now testing 2.13.4 from Debian experimental and I've already gotten this:
$ cat /var/log/kern.log
[snip]
Sep 13 13:58:15 pomeron kernel: [11660.199863] [drm:ironlake_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
Sep 13 13:58:15 pomeron kernel: [11660.200645] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A
Sep 13 13:58:15 pomeron kernel: [11660.200671] [drm:cpt_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun
Sep 13 13:58:15 pomeron kernel: [11660.202018] [drm:ironlake_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun
Sep 13 13:58:16 pomeron kernel: [11660.223535] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder B
Sep 13 13:58:16 pomeron kernel: [11660.689752] [drm:ironlake_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun
Sep 13 13:58:16 pomeron kernel: [11660.722393] [drm:intel_check_pch_fifo_underruns [i915]] *ERROR* pch fifo underrun on pch transcoder B
However, after this small hiccup, I could keep using the desktop/browser without problems ...</pre>
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