linux-kernel - Re: [realtime-preempt] [x86_64] HR_TIMER and/or DYNTICKS cause an early boot freeze

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Message-Id: <1184410602.5284.40.camel@lappy>
Date:	Sat, 14 Jul 2007 12:56:42 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Maarten Maathuis <madman2003@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [realtime-preempt] [x86_64] HR_TIMER and/or DYNTICKS cause an
	early boot freeze

On Sat, 2007-07-14 at 12:49 +0200, Maarten Maathuis wrote:
> Were can -rt3 be found?

http://lkml.org/lkml/2007/7/13/159

> On 7/13/07, Peter Zijlstra <peterz@...radead.org> wrote:
> > On Fri, 2007-07-13 at 16:02 +0200, Maarten Maathuis wrote:
> > > I have determined that version 2.6.22.1-rt2 freeze after:
> > >
> > > NET: Register protocol family 2
> > >
> > > This is very early in the boot stage, and i cannot determine what
> > > exactly causes it.
> > >
> > > It happens if either high resolution timers or dynamic ticks are active.
> > >
> > > I have included the config file that does work (so dynticks and
> > > hr_timers are disabled).
> > >
> > > Please CC any replies, as i am not a member of this mailinglist.
> >
> > Try -rt3, that solved this issue for me.
> >
> >

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