linux-kernel - Re: Strange soft lockup detected message (looks like spin

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Message-ID: <20070504151934.GA8754@csclub.uwaterloo.ca>
Date:	Fri, 4 May 2007 11:19:34 -0400
From:	lsorense@...lub.uwaterloo.ca (Lennart Sorensen)
To:	Frederik Deweerdt <deweerdt@...e.fr>
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: Strange soft lockup detected message (looks like spin_lock bug in pcnet32)

On Fri, May 04, 2007 at 04:33:26PM +0200, Frederik Deweerdt wrote:
> On Fri, May 04, 2007 at 10:10:24AM -0400, Lennart Sorensen wrote:
> > On Thu, May 03, 2007 at 04:31:43PM -0400, Lennart Sorensen wrote:
> [...]
> > Should line 2563 be a spin_lock_irqsave instead along with the
> > appropriate unluck later?
> IIRC, when you enable lockdep, it will complain about spinlocks used in
> an invalid context.

What is lockdep and how do I enable it?

I enabled SPINLOCK_DEBUG and am going to try that kernel now (except it
hit the bug before I could even log in and install the kernel this time,
so another reboot first).

--
Len Sorensen
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