Re: panic: uma_zone_slab is looping

Peter,

    Any updates?  should I commit the fix I sent you?

-Bosko

On Tue, Dec 28, 2004 at 08:53:39AM -0500, Bosko Milekic wrote:
> 
> On Tue, Dec 28, 2004 at 09:47:31AM +0100, Peter Holm wrote:
> > On Sun, Dec 26, 2004 at 11:02:16PM -0500, Bosko Milekic wrote:
> > > >   I'll have to reserve some more time to think about this.  One way I
> > > >   think it might be solvable would be to change that check that
> > > >   triggers the NULL return explicitly check for the bucketzone, and not
> > > >   for all UMA_ZONE_INTERNAL zones; I need to think this through a little
> > > >   more.
> > > 
> > >   Please try the attached patch and let me know if with it you can or
> > >   cannot trigger the original (seemingly infinite) looping.  Although I
> > >   still haven't quite figured out how the described scenario could lead
> > >   to infinite looping exactly (I did conclude that it could lead to some
> > >   looping, though), the patch is worth trying as I believe the scenario
> > >   *could* occur.
> > > 
> > 
> > After more than 18 hours of testing with your patch I ran into a
> > (unrelated ?) "panic: mutex vm object not owned":
> > http://www.holm.cc/stress/log/freeze06.html
> 
>   Your other (private) Email to me mentions that another developer has
>   claimed this one.  If/when he fixes it, it would be worthwhile to give
>   it another consecutive 18 hours before we decide that "yes, it's good
>   and it works."  I am optimistic, but we have to be thorough.
> 
>   Good work, so far!
> 
> Cheers,
> -- 
> Bosko Milekic
> bmilekic_at_technokratis.com
> bmilekic_at_FreeBSD.org
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-- 
Bosko Milekic
bmilekic_at_technokratis.com
bmilekic_at_FreeBSD.org