Re: [PATCH] smpboot.c: move setup_vector_irq after set_cpu_online

[Xiao, Jin]

Hi Joerg,

On 7/2/2015 2:52 PM, Joerg Roedel wrote:
> Hi Jin,
>
> On Thu, Jul 02, 2015 at 12:24:34PM +0800, xiao jin wrote:
> > [  106.107851] BUG: unable to handle kernel NULL pointer dereference at 0000000000000040
> > [  106.116702] IP:
> > [  106.118490]  [<ffffffff810044f6>] check_irq_vectors_for_cpu_disable+0x76/0x180
> This might be the same issue I fixed with:
>
> 	d97eb8966c91 x86/irq: Check for valid irq descriptor in check_irq_vectors_for_cpu_disable()
>
> Can you try whether applying this patch on your kernel fixes your
> issue?
Yes, I agree d97eb8966c91 fix the IPANIC. I just notice a description 
from http://lkml.kernel.org/r/20150204132754.GA10078@xxxxxxxx

I wish to share the debug result and root cause from my side.

> Thanks,
>
> 	Joerg

Thanks.
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