linux-kernel - Re: 2.6.24-rc1-gb4f5550 oops

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Message-Id: <200711082242.21869.rjw@sisk.pl>
Date:	Thu, 8 Nov 2007 22:42:21 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Grant Wilson <grant.wilson@....co.uk>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	netdev <netdev@...r.kernel.org>
Subject: Re: 2.6.24-rc1-gb4f5550 oops

On Thursday, 8 of November 2007, Grant Wilson wrote:
> On Thu, 8 Nov 2007 16:53:10 +0100
> "Rafael J. Wysocki" <rjw@...k.pl> wrote:
> 
> > On Thursday, 8 of November 2007, Grant Wilson wrote:
> > > On Thu, 8 Nov 2007 01:06:21 +0100
> > > "Rafael J. Wysocki" <rjw@...k.pl> wrote:
> > > 
> > > > On Monday, 5 of November 2007, Grant Wilson wrote:
> > > > > Hi,
> > > > > I got this oops on 2.6.24-rc1-641-gb4f5550:
> > > > 
> > > > (1) Is this reproducible?
> > > > (2) Did it happen previously on your system?
> > > >
> > > > [18073.371126] Unable to handle kernel NULL pointer dereference at 0000000000000120 RIP: 
> > > > [18073.371134]  [<ffffffff8023572e>] check_preempt_wakeup+0x6e/0x110
> > > 
> > > This has now happened twice - the second time was last night when
> > > running 2.6.24-rc2.
> > > 
> > > Here's that second occurrence:
> > > 
> [snip]
> > 
> > Hmm.
> > 
> > Please run "gdb vmlinux" and see what code corresponds to
> > check_preempt_wakeup+0x6e in your kernel.
>
> 
> Dump of assembler code for function check_preempt_wakeup:

Well, thanks, but I meant the source code.  Please do "gdb vmlinux" and then
"l *check_preempt_wakeup+0x6e" in gdb.

Thanks,
Rafael
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