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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Message-Id: <1177976798.12796.286.camel@imap.mvista.com>
Date:	Mon, 30 Apr 2007 16:46:38 -0700
From:	Daniel Walker <dwalker@...sta.com>
To:	Mark Lord <lkml@....ca>
Cc:	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

On Mon, 2007-04-30 at 19:36 -0400, Mark Lord wrote:
> Mark Lord wrote:
> > Mark Lord wrote:
> >> Mark Lord wrote:
> >>> I have a new notebook (Dell Inspiron 9400) with Core2-Duo T7400 @ 
> >>> 2.1Ghz.
> >>> When either/both of CONFIG_NO_HZ, CONFIG_HIGH_RES_TIMERS is used,
> >>> the 2.6.21 kernel hangs on startup just after printing one/both of 
> >>> these:
> >> ..
> >>
> >> That's a hard hang, by the way.  No magic sysrq key or anything.
> 
> Well, in case this helps.  If I take the exact same .config that fails,
> and add *only* this to it, it then boots just fine. 
> 
>    CONFIG_DETECT_SOFTLOCKUP=y
> 
> Thomas G., are you there??

Hmm, Do you have a boot log ? I didn't see one in any of the last
emails.

Daniel

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