linux-kernel - Re: 2.6.21-rc7-mm2 hangs in boot (netconsole)

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Message-Id: <20070501092233.b55d0ea4.randy.dunlap@oracle.com>
Date:	Tue, 1 May 2007 09:22:33 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Andi Kleen <ak@...e.de>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.21-rc7-mm2 hangs in boot (netconsole)

On Tue, 1 May 2007 08:22:58 +0200 Andi Kleen wrote:

> On Mon, Apr 30, 2007 at 10:16:24PM -0700, Randy Dunlap wrote:
> > On Tue, 1 May 2007 05:43:30 +0200 Andi Kleen wrote:
> > 
> > > > Andi: unprocessor x86_64 running rc7-mm2 is hanging early in boot at
> > > > randomish times (presumably in the timer irq handler) when netconsole and
> > > > printk-time are enabled.
> > > 
> > > A backtrace would be good. Does nmi_watchdog=2 show anything
> > > interesting or if not sysrq-t?
> > 
> > I can't get anything from sysrq or nmi_watchdog.
> 
> Hmm, ok when the console locks up those likely don't work.
> 
> > 
> > > > I was hitting the same thing on i386 uniprocessor, but I thought it got
> > > > fixed.
> > > 
> > > Yes.
> > 
> > Fixed where?  Merged into mainline or in your firstfloor patches?
> 
> None of the sched-clock changes are in mainline yet.
> 
> Can you perhaps test latest firstfloor alone (without rest of -mm)?

OK.  so your 2.6.21-rc7-git5 patch, applied to 2.6.21-git4 or
applied to 2.6.21-rc7-git5 ?

---
~Randy
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