Message-ID: <43892281.8000601@lwfinger.net>
Date: Sat, 26 Nov 2005 21:05:37 -0600
From: Larry Finger <Larry.Finger@lwfinger.net>
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To: thockin@hockin.org
CC: linux-kernel@vger.kernel.org
Subject: Re: What are the general causes of frozen system?
References: <43891D97.4000404@lwfinger.net> <20051127025221.GA30646@hockin.org>
In-Reply-To: <20051127025221.GA30646@hockin.org>
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thockin@hockin.org wrote:
>>What should I consider as a cause of the freeze? I have reviewed the 
>>code and do not find any obvious out-of-bounds memory references. I have 
>>tried various 'printk' statements, but none of them in the bottom-half 
>>interrupt routine make it to the logs. Are there any tricks that I 
>>should try?
> 
> 
> Look for lock-related deadlocks.  Try turning on the nmi watchdog
> 

Thanks for the quick response. Unfortunately, adding either 
nmi_watchdog=1 or 2 makes my machine lockup in booting - just after ACPI 
is initialized.
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