Re: [Xen-devel] "xl list --long" bug with only 1 CPU pool

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Thu, Sep 11, 2014 at 11:48:23PM +0200, Olivier Bonvalet wrote:
> Hi,
> 
> on Xen 4.4, if you have only one CPU pool, "xl list --long" doesn't work
> anymore, throwing error "Illegal pool specified" :
> 
> murmillia:~# xl cpupool-numa-split
> murmillia:~# 
> murmillia:~# xl cpupool-list
> Name               CPUs   Sched     Active   Domain count
> Pool-node0          16    credit       y         39
> Pool-node1          16    credit       y          0
> murmillia:~# 
> murmillia:~# xl list --long | wc -l
> 8040
> 
> Here, it works fine.
> Then I remove one cpupool :
> 
> murmillia:~# 
> murmillia:~# xl cpupool-destroy Pool-node1
> murmillia:~# 
> murmillia:~# xl cpupool-list
> Name               CPUs   Sched     Active   Domain count
> Pool-node0          16    credit       y         39
> murmillia:~# 
> murmillia:~# xl list --long | wc -l
> Illegal pool specified
> 0
> 
> Now, it doesn't work anymore.
> 

I presume the pool name changed after the split and you once speficied a
pool name in your VM config file. If so:

This is a limitation of xl. You can rename the pool name to its original
name (presumably "Pool-0") and try again. I think this will be fixed in
4.5.

Wei.

> Thanks for your work,
> Olivier
> 
> 
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> Xen-devel@xxxxxxxxxxxxx
> http://lists.xen.org/xen-devel

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