Re: rcu_prempt stalls / lockup

From: Dave Jones
Date: Mon Mar 31 2014 - 19:36:17 EST


On Mon, Mar 31, 2014 at 04:22:21PM -0700, Paul E. McKenney wrote:
> On Mon, Mar 31, 2014 at 07:02:41PM -0400, Dave Jones wrote:
> > You can tell the merge window is open, because I'm back to breaking RCU.
> >
> > ...
> > [ 3558.120739] INFO: Stall ended before state dump start
> >
> > at that point, userspace stopped responding. cursor on console was blinking,
> > but I couldn't even switch tty's, or sysrq dump.
> >
> > rc8 was fine, so this is todays rcu changes.
>
> New one on me! Any chance of a .config file?

http://paste.fedoraproject.org/90449/30888213/raw/

Dave

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