From mboxrd@z Thu Jan  1 00:00:00 1970
From: Udo van den Heuvel <udovdh@xs4all.nl>
Subject: Re: 2.6.33.1-rt11 BUG: sleeping function called from invalid context
 at kernel/rtmutex.c:684
Date: Tue, 06 Apr 2010 16:01:48 +0200
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On 2010-04-06 15:43, Luis Claudio R. Goncalves wrote:
> | After applying, compilign and rebooting the BUG-messages appear to be
> | gone (after a quick test).
> | Thanks!
> | 
> | Only issue remaining is this message:
> | 
> | Apr  6 15:25:02 nawdew rtkit-daemon[3484]: Failed to make ourselves RT:
> | Operation not permitted
> | (repeated a number of times)
> | 
> | Is this also -rt related?
> 
> here's the description of rtkit:
> 
> 	Summary     : Realtime Policy and Watchdog Daemon
(...)

> One famous user of rtkit is pulseaudio. In fact, it is the only user of
> rtkit on my system. And the message reflects that either your pulseaudio
> config is forbidding usage of RT prios or the user running pulseaudio has
> no rights to use higher priorities (check with ulimit)

At the time rtkit-daemon is/was running as the gdm user since no user
was logged in using the gui.
So perhaps I can fix this in /etc/security/limits.conf?
Hmm.
Putting gdm user in pulse-rt group does fix the rtkit-daemon messages
but not the pulseaudio error.

I will seek help for this elsewhere as it is not so on topic here.

Thanks for the patch!

Udo