Re: linux-next: WARNING: at kernel/lockdep.c:2680 check_flags+0x98/0x151()

From: Sitsofe Wheeler
Date: Tue Jun 03 2008 - 03:54:16 EST


Kevin Winchester wrote:

> In next-20080530 and next-20080602 (and possibly earlier - I can't
> remember the linux-next tree before that I tried) I get the following:
>
> [ 12.885153] ------------[ cut here ]------------
> [ 12.885203] WARNING: at kernel/lockdep.c:2680 check_flags+0x98/0x151()
> [ 12.885248] Pid: 4, comm: watchdog/0 Not tainted
> 2.6.26-rc4-next-20080602 #13

I saw this and mentioned it too -
http://groups.google.co.uk/group/fa.linux.kernel/browse_thread/thread/77d4cedb7b27fa3b/fc66f2d849b42031?lnk=gst&q=watchdog+sitsofe#fc66f2d849b42031 .

> This is completely reproducible on every boot - should I try to bisect it?

Things that have been bisected seem far more likely to be looked at so if
you have the stomach... If you do start bisection I can confirm that it is
in next-20080529 . I can also mention that on my system the warning seems
to go away if I boot with nmi_watchdog=2 .

--
Sitsofe | http://sucs.org/~sits/

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