Xorg at 100%CPU when browser is on

C. P. Ghost cpghost at cordula.ws
Tue Aug 2 08:38:01 UTC 2011

On Tue, Aug 2, 2011 at 10:03 AM,  <perryh at pluto.rain.com> wrote:
> "C. P. Ghost" <cpghost at cordula.ws> wrote:
>> ... when mplayer plays some (rare) video files.
>> Xorg then stays at 100% CPU, and it is impossible to kill it,
>> neither from the inside, nor from the outside (logged in via
>> ssh) with SIGKILL. Only a reboot helps here.
> An unkillable process is almost certainly hung in a driver, and in
> this case I would strongly suspect it is a video driver.  Can you
> break to KDB (or get a dump) and get a ps listing and a traceback
> of the hung process?  That may enable someone familiar with the
> particular driver involved to debug it.

Good hint! I'll try to get a dump next time X hangs with that driver.

Meanwhile, I'll probably switch my main desktop to xf86-video-ati
as Warren suggested.


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