Re: tip: origin tree boot crash

[Herbert Xu]

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@xxxxxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxxx>
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