Re: Running GNOME in jhbuild session eat all CPU

[William Jon McCann <william jon mccann gmail com>]

Hi,

On Sat, Jan 24, 2009 at 10:58 AM, Luca Ferretti <elle uca libero it> wrote:
> Il giorno sab, 24/01/2009 alle 14.22 +0100, Wouter Bolsterlee ha
> scritto:
>> 2009-01-24 klockan 14:06 skrev Luca Ferretti:
>> > Now, someone has the same issue? And how can I try to investigate it?
>> > The only evidence that something is going wrong is the X process CPU
>> > usage :-|
>>
>> You could try looking (with ps) which Gnome-related processes are running.
>> Then you can try to kill those processes one after another to see if there
>> is a single process causing the excessive CPU usage in the X server.
>
> Thanks, I tried to kill some processes, one by one, with no results. But
> fortunately I started a compilation while `top` was running. The CPU
> usage decreased 40~50%.
>
> That's strange: a CPU consuming task that decrease the CPU usage.
>
> So, a with a little shining....
>
>> Good luck, and let us know how it goes :)
>
> It seems the high CPU usage come from, or at least is related with new
> presence/idle stuff in gnome-session.
>
> Reverting it to revision 5188 fix the issue.
>
> Filed as bug 568989
>
> Thanks everyone :)

As Olav mentioned, this is due to a bug in xorg.

http://cgit.freedesktop.org/xorg/xserver/commit/?id=1f4fb0225b278d1cf4145aebeb0bdd23dc8f62d5

Jon