Re: [Xen-devel] [Pkg-xen-devel] Bug#795330: Suggests noapic but doesn't support it

[David Vrabel <david.vrabel@xxxxxxxxxx>]

On 04/09/15 14:38, Ian Campbell wrote:
> Control: tag -1 upstream 
> 
> Jan/Andy & David,
> 
> Is there anything we can improve here on either the Xen or kernel side do
> you think?
> 
> On Thu, 2015-08-13 at 00:59 +0200, Guido GÃnther wrote:
>> Package: xen-hypervisor-4.5-amd64
>> Severity: normal
>>
>> Hi,
>> when running xen inside of kvm the hypervisor fails to set up the proper
>> IRQ routing and suggests to use noapic.
> 
> FTR, it seems to say:
> 
>     panic("IO-APIC + timer doesn't work!  Boot with apic_verbosity=debug "
>           "and send a report.  Then try booting with the 'noapic' option");

This is the Linux kernel making a recommendation for its command line.

> Did you also try the first thing it suggested? What was the result?
> 
>>  If you add this via
>>
>>     GRUB_CMDLINE_XEN_DEFAULT
>>
>> it will boot futher but then report that noapic isn't supported.

Don't add Linux command line options to the Xen command line.

David

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