linux-kernel - Re: [BUG] 2.6.21: Kernel won't boot with either/both of CONFIG_NO_HZ, CONFIG_HIGH_RES

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Date:	Mon, 30 Apr 2007 23:33:13 -0400
From:	Mark Lord <lkml@....ca>
To:	Daniel Walker <dwalker@...sta.com>
Cc:	Michal Piotrowski <michal.k.k.piotrowski@...il.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	tglx@...utronix.de, Linus Torvalds <torvalds@...l.org>
Subject: Re: [BUG] 2.6.21: Kernel won't boot with either/both of	CONFIG_NO_HZ,
 CONFIG_HIGH_RES_TIMERS

Daniel Walker wrote:
> 
> I'm interested in which clocksource is getting used, which is in the
> boot log.

Well then, send me a patch that dumps that information out just before it locks up.
We know (first post in this thread) that the lockup occurs just after
these two messages:

  "switched to high resolution mode on cpu 1"
  "switched to high resolution mode on cpu 0"

So just dump out anything else you need to see at the same time,
and it'll still be on my screen when the darned thing locks up.

Simple, eh.  We both get to run around a treadmill this way.  ;)
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