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SubjectRe: [block IO crash] Re: 2.6.39-rc5-git2 boot crashs

* Ingo Molnar <mingo@elte.hu> wrote:

>
> * Ingo Molnar <mingo@elte.hu> wrote:
>
> > diff --git a/mm/slub.c b/mm/slub.c
> > index 94d2a33..27bc3be 100644
> > --- a/mm/slub.c
> > +++ b/mm/slub.c
> > @@ -30,6 +30,8 @@
> >
> > #include <trace/events/kmem.h>
> >
> > +#undef CONFIG_CMPXCHG_LOCAL
> > +
> > /*
> > * Lock order:
> > * 1. slab_lock(page)
>
> This seems rock solid after half an hour of testing. I'll keep it running
> longer, i still have no good data for how frequently the crashes are occuring.

It's still rock solid after 2 hours: neither crashes nor IO/IRQ timeouts are
occuring.

Thanks,

Ingo


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