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Re: [Xen-users] All domU blocked

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] All domU blocked
From: "Tom Z. Napierala" <tom@xxxxxx>
Date: Tue, 12 Sep 2006 13:03:55 +0100
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Dnia Tuesday 12 September 2006 12:23, Ernst Bachmann napisał:
> On Tuesday 12 September 2006 13:10, Tom Z. Napierala wrote:
> > Hi,
> > I've notice strange thing, all my domUs are listed as blocked:
> > Name                              ID Mem(MiB) VCPUs State  Time(s)
> > Domain-0                           0      251     2 r-----  4166.2
> > g01                               28      256     2 -b----   508.3
> > g02                               26      128     1 -b----   235.7
> > g03                               35      512     1 -b----    17.2
> >
> > although they are running fine.
> > I'm just wondering what can be wrong, because I need proper reporting for
> > some monitoring tools. Host system is Ubuntu Dapper Server running Xen
> > 3.0.1 binary,  guests Debians, Ubuntus.
> > Any ideas?
> You got a single-CPU system, right?

No, it's SMP system.

> The moment you run the xm command, the CPU is obviously with Domain-0,
> producing your output. That means, all other domains don`t have the CPU
> right now, hence are listed as blocked.
> The only chance to see a domU in a state other than "b" is to use a SMP
> system. :)

That's interesting, I have to investigate this thoroughly. 
But as I mentioned above, it's SMP system, but I'm not using any pin 
techniques , so all domains are with default vcpu settings.

Tom Napierala
DB Alliance Limited
North Point House, New Mallow Road, Cork, Ireland
The National Software Centre, Mahon, Cork, Ireland

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