Shane,
As best we can tell, there were no relevant messages that came out on the vm 
operator console.
Ron
________________________________________
From: Linux on 390 Port [LINUX-390@VM.MARIST.EDU] On Behalf Of Shane G 
[ibm-m...@tpg.com.au]
Sent: Friday, February 10, 2012 6:46 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: ksoftirqd using 100% CPU

On Fri, Feb 10th, 2012 at 11:00 PM, Joerg Reuter wrote:

> On Thu, Feb 09, 2012 at 04:43:25PM -0600, Ron Foster at Baldor-IS wrote:
>
> > The only messages I can find have to do with a hipersockets time out.
> > Feb  9 11:21:39 bus0104 kernel: NETDEV WATCHDOG: hsi0: transmit timed
> out
> > Feb  9 11:21:39 bus0104 kernel: qeth: Recovery of device 0.0.5100
> > started ...
>
> Hmm, that shouldn't happen.

Lol ...
I was wondering if the OP could see anything from z/VM, but if it really is a
softirq/tasklet problem that probably means (Linux) dodgy driver.
And in almost all occasions that probably means network ...

Keeping an eye on /proc/interrupts might be instructive.

Shane ...

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