Re: [Xen-devel] Re: Crash on blktap shutdown

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

On 02/24/2010 04:29 PM, Daniel Stodden wrote:
> On Wed, 2010-02-24 at 18:52 -0500, Jeremy Fitzhardinge wrote:
>    
> > On 02/24/2010 03:49 PM, Daniel Stodden wrote:
> >      
> > > On Wed, 2010-02-24 at 17:55 -0500, Jeremy Fitzhardinge wrote:
> > >
> > >        
> > > > When rebooting the machine,  I got this crash from blktap.  The rip maps to 
> > > > line 262 in
> > > > 0xffffffff812548a1 is in blktap_request_pool_free 
> > > > (/home/jeremy/git/linux/drivers/xen/blktap/request.c:262).
> > > >
> > > >          
> > > Uhm, where did that RIP come from?
> > >
> > > pool_free is on the module exit path. The stack trace below looks like a
> > > crash from the broadcasted SIGTERM before reboot.
> > >
> > >        
> > Ignore it; I generated it from a different kernel from the one that
> > crashed.  But the other oops I posted should be all consistent and
> > meaningful.
> >      
> Ignore only the debuginfo quote, right?
> Cos this looks like a different issue to me.
>    
Perhaps.  I got all the others on normal domain shutdown, but this one 
was on machine reboot.  I'll try to repro (as I boot the test kernel 
with your patch in it).
    J

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