Re: [Xen-devel] 2.6.32.16: hvm domU boot - oops at add_pin_to_irq_node_nopanic

[Bruce Edge <bruce.edge@xxxxxxxxx>]

On Thu, Jul 8, 2010 at 10:04 AM, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> wrote:

On Thu, 8 Jul 2010, Bruce Edge wrote:
> On Thu, Jul 8, 2010 at 9:55 AM, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> wrote:
>       On Thu, 8 Jul 2010, Bruce Edge wrote:
>       > This is the same problem as this post:
>       > http://lists.xensource.com/archives/html/xen-devel/2010-06/msg01114.html
>       >
>       > Stefano suggested I retry after Jeremy's pull.
>       >
>       > Sync'd with 2.6.32.16 last night and it looks like the identical problem.
>       >
>       > I can boot Ubuntu 10.04 with it's own native kernel, but not with a pv-ops kernel.
>       >
>       > This is with # CONFIG_XEN_PLATFORM_PCI is not set, .config is attached.
>       >
>
> I think that Jeremy didn't merge the up-to-date PV on HVM branch in
> stable-2.6.32.x but only in next.
>
>
> I thought that the PV on HVM code was only used if CONFIG_XEN_PLATFORM_PCI=y. 
> Is that not the case?
>

For the most part yes, however the pv timer can still work even without
the platform pci driver and with the pv timer enabled you need another
patch to prevent the ioapic initialization code from breaking. This last
patch is missing from stable-2.6.32.x.

Could you give me a pointer to this patch? I'd like to test it to confirm whether it is indeed the problem.

-Bruce

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