RE: [Xen-users] DomU with no state flags in "xm list"

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Miguel Araujo
> Sent: 22 June 2007 09:17
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] DomU with no state flags in "xm list"
> 
> Derek escribió:
> > Hi all,
> >
> > (Sorry if this is a duplicate posting.  Having some mailer troubles,
> > and not sure if it went out earlier).
> >
> > Anybody know what it means for a DomU to show up in the "xm 
> list" as 
> > follows:
> >
> > Name                                      ID   Mem VCPUs    
>   State   
> > Time(s)
> > Domain-0                                 0   256     2     r-----  
> > 43929.3
> > Clonezilla                                16   512     1     
> > ------      6.2
> >
> > The domU "Clonezilla" does not have an "r" state flag, so it's not
> > running, but nor does it have any other flags such as b, p, s, c, or
> > d, so it's not blocked, paused, shutdown, crashed, or dying.  It's
> > just... nothing!  The Time remains fixed at 6.2 forever.

I don't know why it's not progressing, but it's perfectly possible to have a 
state of "nothing" - it happens when the system is neither running (e.g. 
there's no available CPU for it) and not blocked, paused, shutdown, crashed or 
dying. It's just not scheduled, and it's waiting for a CPU to become available. 

Running means that the system is currently active and running on some CPU.
Blocked means that it's WAITING for an event of some sort. 
Paused means that someone has done "xm pause" (or equivalent) on the domain. 
Shutdown, crashed or dying are other states set when specific things happen to 
the domain. 

A state of "nothing" means that it's in none of the above states - which 
usually means that it's "runnable, but not running", so it's in the "run-queue" 
but not at the front of the queue.

--
Mats



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