linux-kernel - Re: [BUG,2.6.29-rc7,s390] System goes into endless loop during boot or logon

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Message-ID: <20090309093354.GA4124@cetus.boeblingen.de.ibm.com>
Date:	Mon, 9 Mar 2009 10:33:54 +0100
From:	Hendrik Brueckner <brueckner@...ux.vnet.ibm.com>
To:	Frans Pop <elendil@...net.nl>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-s390@...r.kernel.org,
	Hendrik Brueckner <brueckner@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [BUG,2.6.29-rc7,s390] System goes into endless loop during
	boot or logon

On Mon, Mar 09, 2009 at 10:25:51AM +0100, Frans Pop wrote:
> > Where? Do you have NMI watchdog output, or even sysrq-t?
> 
> I'm afraid I have no idea.
> 
> AFAICT s390 does not have an NMI watchdog. And I have no idea how I could 
> trigger a sysrq given that I can't login and only have a dumb console or 
> SSH session to work with anyway.
If SSH works,  try to trigger the sysrq function trough /proc/sysrq-trigger,
e.g.  echo l > /proc/sysrq-trigger

Regards
  Hendrik Brueckner

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