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

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 04.05.16 at 12:00, <wei.liu2@xxxxxxxxxx> wrote:
> 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?

Very much looks like so, but I didn't spot it yet.

Jan


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel