RE: [Xen-ia64-devel] A strange issue when VTI guest vcpus number is near pcpus

["You, Yongkang" <yongkang.you@xxxxxxxxx>]

On Thursday, May 07, 2009 10:22 AM Isaku Yamahata wrote:
> On Wed, May 06, 2009 at 01:54:15PM +0800, You, Yongkang wrote:
>> On  xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx wrote:
>>> Hi,
>>> 
>>> When I try recently Xen (Xen 3.4 rc3) on IA64 machine
>>> (Tiger4), I found some strange issue.
>>> 
>>> My two systems have 4 and 8 pcpus separately
>>> 
>>> If VTI guest's vcpus is near pcpus, guest booting will meet some
>>> issues: 
>>> 1. Guest boot might be hang at "switch to new root and run
>>> init; unmounting old /dev ...; unmounting old /sys" for a long time.
> 
> Does this mean that it's unreasonably slow?

Em. It will stop there for a very long time (multi minutes). 

> And it reached login prompt eventually?

I tried many times, but didn't wait for login interface everytime. So couldn't 
say it would always reach login. 

Thanks,
Yongkang

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