Re: tip: origin tree boot crash

Herbert Xu
2010-03-03T14:43:09Z

On Mon, Mar 01, 2010 at 03:55:19PM +0100, Steffen Klassert wrote:
>
> On Mon, Mar 01, 2010 at 08:50:24AM +0100, Ingo Molnar wrote:
> >
> > * Herbert Xu <herbert@gondor.apana.org.au> wrote:
> >
> > > crypto: pcrypt - Add pcrypt crypto parallelization wrapper
> >
> > -tip testing started triggering the following frequent boot crash yesterday,
> > on 64-bit x86:
> >
> > | calling pcrypt_init+0x0/0xee @ 1
> > | BUG: unable to handle kernel NULL pointer dereference at (null)
> > | IP: [<ffffffff8126550b>] memcpy+0xb/0xb0
> > | Call Trace:
> > | [<ffffffff810c2f38>] ? padata_alloc+0x98/0x150
> > | [<ffffffff82158c51>] ? pcrypt_init+0x0/0xee
> > | [<ffffffff82158ccc>] pcrypt_init+0x7b/0xee
> >
>
> Ugh, it seems that I forgot to allocate one of the cpumasks. Looking at the
> configs of my test systems I noticed, that CONFIG_CPUMASK_OFFSTACK was
> not set on all the configs, so I did not notice it.
>
> The patch below fixes the boot crash if CONFIG_CPUMASK_OFFSTACK is
> enabled on my test systems. Does the patch fix it for you too?

Ingo, any luck with this patch from Steffen?

Cheers,
--
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Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>