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From: Larry Finger <Larry.Finger@lwfinger.net>
To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: How to dump stack for kernel threads
Date: Thu, 26 Jan 2006 21:00:50 -0600	[thread overview]
Message-ID: <43D98CE2.9020700@lwfinger.net> (raw)
In-Reply-To: <Pine.LNX.4.61.0601262214430.27891@yvahk01.tjqt.qr>

Jan Engelhardt wrote:
>>In a driver that I am debugging, there is a periodic task that runs every
>>minute. Intermittently, it destructively interrupts some other activity in the
>>driver, but I have not been able to find the section that is not thread-safe. I
>>have included a dump_stack call at the point where the problem is evident, but
>>the current thread is OK. How would I generate a stack dump of the rest of this
>>driver's kernel threads? Dumping all kernel threads would also be OK.
> 
> 
> Sysrq+T. Behind the jungle, there's a function doing what you want.
> 
> 
> Jan Engelhardt

Thanks for the tip. It won't work for me from the keyboard but your suggestion got me into a call to 
handle_sysrq.

Larry


      reply	other threads:[~2006-01-27  3:01 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-26 17:45 How to dump stack for kernel threads Larry Finger
2006-01-26 21:15 ` Jan Engelhardt
2006-01-27  3:00   ` Larry Finger [this message]

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