[Pacemaker] WARN: G_SIG_dispatch messages

[Dejan Muhamedagic]

On Wed, Feb 23, 2011 at 10:53:23AM -0500, Jean-Francois Malouin wrote:
> * Dejan Muhamedagic <dejanmm at fastmail.fm> [20110223 09:21]:
> > Hi,
> > 
> > On Mon, Feb 21, 2011 at 01:22:38PM -0500, Jean-Francois Malouin wrote:
> > > Hi,
> > > 
> > > On a cluster that is about to go live I see theses warning popping up
> > > quite frequently:
> > > 
> > > lrmd: [6487]: WARN: G_SIG_dispatch: Dispatch function for SIGCHLD was delayed 240 ms (> 100 ms) before
> > > +being called (GSource: 0x1542fc0)
> > > 
> > > That's on Debian/Squeeze, pacemaker-1.0.9 corosync-1.2.1 and openais-1.1.2
> > > 
> > > What do they mean and can I just Forget About It (tm)?
> > 
> > Normally, these should indicate that the host can't keep up with
> > the demand. Did you check the load?
> 
> there are not doing much right now, 
> in terms of load nothing to speak about...

So, it happens really often? How often? How many resources are
there? Does it happen on all nodes? You can also open a bugzilla
with hb_report attached.

Thanks,

Dejan

> jf
> 
> > 
> > > A quick google search found a reference to a bug but that's really old
> > > stuff: http://developerbugs.linuxfoundation.org/show_bug.cgi?id=1684
> > 
> > Only for meta-data operations, that should be unrelated.
> > 
> > Thanks,
> > 
> > Dejan
> > 
> > > thanks!
> > > jf
> > > 
> > > _______________________________________________
> > > Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> > > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> > > 
> > > Project Home: http://www.clusterlabs.org
> > > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> > > Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
> > 
> > _______________________________________________
> > Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> > 
> > Project Home: http://www.clusterlabs.org
> > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> > Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
> 
> 
> _______________________________________________
> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> 
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker