Re: 2.6.29-rt1+ irqbalance = OOPS

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On Mon, 30 Mar 2009, Robin Gareus wrote:

> Robin Gareus wrote:
> 
> > The corresponding .config is available at
> > http://rg42.org/_media/wiki/kernel/config-2.6.29-rt1.txt
> 
> BTW. This is a vanilla 2.6.29 with only the 2.6.29-rt1 patch applied.
> 
> > I just tested Fernando's CCRMA 2.6.29-rt1 kernel which is x686 plus
> > generic x86-compat (mine is MCORE2) and irqbalance does not produce an
> > OOPS there.

Ah, so there is some delta in the .configs which exposes this
problem. I got your .config and try to reproduce.

> > I'll see if can get a dump of the OOPS on Monday using netconsole.
> 
> If the netconsole module is loaded, the OOPS is produced without the
> Call and Stack Trace (both on local terminal and remote) and the cause
> is no longer the keyboard-interrupt but ethernet (IRQ 28)
> 
> Starting `irqbalance` still reliably hangs this system (Thinkpad X60s).
>
>
> ------------[ cut here ]------------
> kernel BUG at kernel/sched_rt.c:1602!
> invalid opcode: 0000 [#1] PREEMPT SMP kernel BUG at kernel/sched_rt.c:1602!

Unfortunately this does not tell us much. It tells us that something
went wrong, but not where and when :)

Thanks,

	tglx
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