Bug#572537: udev spins on drm device
tags 572537 - fixed-upstream moreinfo
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Tony Mantler wrote:
> Yes, I'm still getting the issue, sort of. My understanding is that
> some parts of the hotplug pipeline have moved around, but I still
> get a spam of hotplug events from the graphics that nearly kills the
> system after waking up. The most reliable way to trigger it is to
> wake from sleep, open firefox (iceweasel), and play a youtube video
> (flash). The symptoms will often occur without going through these
> exact steps though.
>
> Executing the command "intel_reg_write 0x61110 0x0" as root stops
> the hotplug spam and restores system functionality, though this also
> apparently stops all hotplug events so the system won't detect
> attaching an external monitor or something to the VGA port.
>
> I'm currently running linux-image-2.3.0-2-amd64 package version 3.2.12-1.
>
> I could certainly test patched kernels, as I can very reliably
> reproduce the problem.
Ah, excellent. Hopefully upstream will have some ideas.
[1] might be a good resource for finding information to add to the
report at [2] in the meantime.
[1] http://intellinuxgraphics.org/how_to_report_bug.html
[2] https://bugs.freedesktop.org/27941
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