Messages in this thread | | | Subject | Re: [2.6.33-rc5] Weird deadlock when shutting down | From | Johannes Berg <> | Date | Sat, 20 Feb 2010 09:46:47 +0100 |
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On Sat, 2010-02-20 at 15:42 +0800, Dave Young wrote:
> > Well, it used to not deadlock and actually shut down the machine :) > So > > in that sense it's definitely new. It might have printed a lockdep > > warning before, which you wouldn't normally see since the machine > turns > > off right after this. > > before shutdown, you can: > echo N > /proc/sys/kernel/printk_delay > to see the printk messages, N is 0-10000 in milliseconds
Well if I understand Américo correctly then it won't have printed anything (even if it were to deadlock) before adding the lockdep annotations to s_active, so I guess that theory is out.
johannes [unhandled content-type:application/pgp-signature] | |