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From: Larry Finger <Larry.Finger@lwfinger.net>
To: thockin@hockin.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: What are the general causes of frozen system?
Date: Sat, 26 Nov 2005 21:05:37 -0600	[thread overview]
Message-ID: <43892281.8000601@lwfinger.net> (raw)
In-Reply-To: <20051127025221.GA30646@hockin.org>

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.

  reply	other threads:[~2005-11-27  3:05 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-27  2:44 What are the general causes of frozen system? Larry Finger
2005-11-27  2:52 ` thockin
2005-11-27  3:05   ` Larry Finger [this message]
     [not found]     ` <20051127031115.GA31651@hockin.org>
2005-11-28  5:01       ` Larry Finger
2005-11-27 10:59 ` Michael Buesch
2005-11-27 21:11 ` Benjamin Herrenschmidt

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