[Fedora-xen] two fully virtualized systems crashing
Matthias Bayer
matbayer.web at web.de
Thu Apr 13 08:03:19 UTC 2006
OK - found the problem !
setting my Dom0 memory with dom0_mem=2G as kernel parameter fixed the problem !!
before i haven't specified anything - so if i understand it right all the memory would belong to Dom0 and every DomU that starts 'grabs' a bit until Dom0-min-mem is reached.
so does this behaviour then indicate that something with balooning is buggy ??
thanks Stephen and Yongkang for the help so far !
Matthias
> -----Ursprüngliche Nachricht-----
> Von: "You, Yongkang" <yongkang.you at intel.com>
> Gesendet: 13.04.06 09:35:54
> An: "Stephen C. Tweedie" <sct at redhat.com>
> CC: <fedora-xen at redhat.com>
> Betreff: RE: [Fedora-xen] two fully virtualized systems crashing
> Hi Matthias,
>
> >Mem: 3501056 684452 2816604 0 69520
> I am not quite clear about the dom0 memory. Is it 3.5G?
>
> How large the memory apply to dom0? I mean how about dom0_mem=.
>
> Best Regards,
> Yongkang (Kangkang) ÓÀ¿µ
>
> >-----Original Message-----
> >From: fedora-xen-bounces at redhat.com
> >[mailto:fedora-xen-bounces at redhat.com] On Behalf Of Matthias Bayer
> >Sent: 2006Äê4ÔÂ13ÈÕ 15:30
> >To: Stephen C. Tweedie
> >Cc: fedora-xen at redhat.com
> >Subject: RE: [Fedora-xen] two fully virtualized systems crashing
> >
> >
> >
> >I have 4 GB of RAM, each DomU has 512 MB and i only try to run 2
> >windows DomU's !
> >
> > total used free shared buffers
> >cached
> >Mem: 3501056 684452 2816604 0 69520
> >347260
> >-/+ buffers/cache: 267672 3233384
> >Swap: 2096440 0 2096440
> >
> >do i need to configure something elswhere to give the hypervisor more
> >memory ?
> >can i create any other debugs that may be helpful to find the problem ?
> >
> >regards,
> >Matthias
> >
> >> Hi,
> >>
> >> On Wed, 2006-04-12 at 17:29 +0200, Matthias Bayer wrote:
> >> >
> >> > (0 of 1)XEN) DOM
> >> > (XEN) Couldn't alloc shadow page! dom3 count=893o map I/O space
> >> > 000f03
> >> > (XEN) Shadow table counts: l1=0 l2=0 hl2=0
> >>
> >> This looks like the hypervisor ran out of memory. How much memory do
> >> you have, and how much is being given to each domain?
> >>
> >> --Stephen
> >>
> >>
> >
> >
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