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Re: [Xen-devel] Re: [Xen-users] Xen 4.1.1 crash when manipulating cpupools.

From: Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>

Date: Wed, 09 Nov 2011 10:55:41 +0100

Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx

Delivery-date: Wed, 09 Nov 2011 01:56:46 -0800

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List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Andy,

the last problem with credit2 and cpupools I'm aware of was fixed with
cs 23156 in xen 4.1, which is included in 4.1.2. I think this addressed
your original problem.

Juergen

On 11/08/2011 05:14 PM, andrewpitman@xxxxxxxxxxx wrote:

George,

Do you know if this was addressed in 4.1.2?

Thanks,
Andy

From: "George Dunlap" <george.dunlap@xxxxxxxxxxxxx>
To: andrewpitman@xxxxxxxxxxx
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx, "Pasi KÃrkkÃinen" <pasik@xxxxxx>, "Juergen Gross" <juergen.gross@xxxxxxxxxxxxxx>
Sent: Wednesday, August 3, 2011 2:09:08 PM
Subject: Re: [Xen-devel] Re: [Xen-users] Xen 4.1.1 crash when manipulating cpupools.

Yes, I'm aware of the crash when setting weight.Â I've had a quick look, and it's not obvious what the problem is, and I haven't had a chance to look deeper.
Â-George

On 08/02/2011 12:44 PM, andrewpitman@xxxxxxxxxxx wrote:

George,

Thanks, that would be great!Â It would definitely be useful to have the credit2 scheduler fully support cpupools.

One other thing I did notice was that when I try to weight Domain-0 it crashes the hypervisor as well (example: "xm sched-credit2 -d Domain-0 -w 512").

Thanks,
Andy

From: "George Dunlap" <george.dunlap@xxxxxxxxxx>
To: "Juergen Gross" <juergen.gross@xxxxxxxxxxxxxx>
Cc: "George Dunlap" <George.Dunlap@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx, "Pasi KÃrkkÃinen" <pasik@xxxxxx>, andrewpitman@xxxxxxxxxxx
Sent: Thursday, July 21, 2011 9:47:19 AM
Subject: Re: [Xen-devel] Re: [Xen-users] Xen 4.1.1 crash when manipulatingÂÂÂÂÂÂÂÂcpupools.

On Thu, 2011-07-21 at 14:15 +0100, Juergen Gross wrote:
> I don't think credit2 is supporting cpupools up to now (at least not any other
> cpupool than Pool-0). George?

I think that here were some unfortunate corner cases wrt credit2 +
cpupools that I didn't get worked out. ÂIn any case, it's certainly not
being tested regularly, so it would be no surprise of something broke.

I'll take a look at it in the next few [working] days in hope that
there's a relatively simple fix.

Â-George

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-- 
Juergen Gross                 Principal Developer Operating Systems
PDG ES&S SWE OS6                       Telephone: +49 (0) 89 3222 2967
Fujitsu Technology Solutions              e-mail: juergen.gross@xxxxxxxxxxxxxx
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