From mboxrd@z Thu Jan  1 00:00:00 1970
From: compudj@krystal.dyndns.org (Mathieu Desnoyers)
Date: Mon, 9 Mar 2009 19:07:26 -0400
Subject: [ltt-dev] lttctl -R hang up on 2.6.26 with rt
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Message-ID: <20090309230726.GD23397@Krystal>

* Gerrit Binnenmars (gerritbinnenmars at online.nl) wrote:
> Hello,
> 
> I merged the 2.6.26 kernel with the rt13 patchset, together with the
> lttng 0.10-pre15 patchset. Further I use ltt-control 0.50.
> I have a dual core Intel x86_64 architecture.
> Once in a while I am able to create a trace, but most of the
> times lttctl hangs. 
> I added printk which showed that the hang was on synchronize_sched in ltt_tracer.c
> It seems that there is data in cpu0 and cpu1 in the trace, but nothing in control.
> Does anyone have an idea how to solve or further investigate this.
> 
> At the moment it is not possible to select a newer kernel version.
> 

You should probably enable some of the kernel hacking options, and maybe
it will help you produce a more detailed OOPS log. Please email the full
OOPS so we can help digging further.

Thanks,

Mathieu


> Thanks in advance,
> 
> Gerrit Binnenmars
> 
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> 

-- 
Mathieu Desnoyers
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