Messages in this thread | | | Subject | Re: [PATCH] smpboot.c: move setup_vector_irq after set_cpu_online | From | "Xiao, Jin" <> | Date | Thu, 2 Jul 2015 15:02:10 +0800 |
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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@suse.de.
I wish to share the debug result and root cause from my side.
> Thanks, > > Joerg >
Thanks.
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