Re: BUG: soft lockup detected on CPU#5 / xfsdatad

[Christian Røsnes <christian.rosnes@xxxxxxxxx>]

Iustin Pop wrote:
> On Mon, Apr 10, 2006 at 03:47:11PM +0200, Christian Røsnes wrote:
>   
> > Thank you for the information.
> >
> > Is there a preferred way of distributing interrupts across several Xeon 
> > cpus ?
> >     
> I'm not sure, but how about irq-balance?
> ~$ apt-cache search irq balance
> irqbalance - Balances irq's for SMP systems
>
> Description: Balances irq's for SMP systems
>  Daemon to balance irq's across multiple CPUs on systems with the 2.4
>  or 2.6 kernel. This can lead to better performance and IO balance on
>  SMP systems. Useful mostly just for 2.4 kernels, or 2.6 kernels with
>  CONFIG_IRQBALANCE turned off.
>
> So either you install this or configure the kernel with
> CONFIG_IRQBALANCE (though I have never seen this option).
>
> Regards,
> Iustin
>
>   
Thanks. Installed irqbalance on a Xeon server (running Debian) and the 
interrupts are now distributed
across several cpus. I already had irqbalance running on the Opteron rig 
(running SUSE 9.3).

Christian