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

[David Vrabel]

On 04/09/15 15:13, Ian Campbell wrote:
> On Fri, 2015-09-04 at 15:04 +0100, David Vrabel wrote:
>> 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 Günther 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.
> 
> I cut-n-paste that message from xen.git. Although maybe in a file which
> originates in Linux.
> 
> (So now I realised I don't really know which entity was complaining)

Oh, in which case removing (from Xen) the recommendation to try noapic
might be useful.

David