Re: [Xen-devel] Regression in Xen 4.7-rc1 - can't boot HVM guests with more than 64 vCPUS.

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Wed, May 04, 2016 at 03:55:42AM -0600, Jan Beulich wrote:
> >>> On 04.05.16 at 11:02, <wei.liu2@xxxxxxxxxx> wrote:
> > On Tue, May 03, 2016 at 03:13:32PM -0400, Konrad Rzeszutek Wilk wrote:
> >> On Tue, May 3, 2016 at 12:55 PM, Konrad Rzeszutek Wilk
> >> <konrad@xxxxxxxxxx> wrote:
> >> > On Tue, May 3, 2016 at 12:47 PM, Konrad Rzeszutek Wilk
> >> > <konrad.wilk@xxxxxxxxxx> wrote:
> >> >>
> >> >> The host has 240 CPUs and the HVM guests config looks as follow:
> >> >>
> >> >> -bash-4.1# cat /hvm.cfg
> >> >> memory=64000
> >> 
> >> You can also make this 1024.
> >> 
> > 
> > I still can't reproduce this issue:
> 
> I can, and it's due to xc_evtchn_pending() returning rubbish (and
> the value varies from run to run).
> 

Maybe this is a bug in Dom0 kernel?

FWIW I'm using Debian Jessie stock 3.16.7-ckt25-2 kernel.

Wei.

> Jan
> 

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