Re: How to dump stack for kernel threads

From: Jan Engelhardt
Date: Thu Jan 26 2006 - 16:13:44 EST



>Subject: How to dump stack for kernel threads
>
> 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
--
| Software Engineer and Linux/Unix Network Administrator
| Alphagate Systems, http://alphagate.hopto.org/
| jengelh's site, http://jengelh.hopto.org/
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