Re: [Xen-devel] Xen panics with 2.6.32.11

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> Jeremy Fitzhardinge <jeremy@xxxxxxxx> 07.04.10 00:33 >>>
>On 04/06/2010 03:13 PM, Jeremy Fitzhardinge wrote:
>> Current xen-unstable crashes when booting xen/stable-2.6.32.x 
>> (2.6.32.11).  I haven't
>> verified it yet, but I guess this is Bastian's patch (537451477469).  
>> Or could it be Jan's 4f796e29987c?
>
>Looks like 4f796e29987c is the culprit; reverting it lets the kernel 
>boot again.

Oh, looks like the spin_lock() needs to be a spin_lock_irqsave() there.

>Before the crash, I also see lots of complaints from Xen while setting 
>up interrupts:

That suggests your kernel might run through both (IO-APIC write and
hypercall) paths (or one of them more than once), which would seem
more like a kernel problem.

Jan


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