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xen-devel
Re: [Xen-devel] Guest domains dying and resurrecting
Thanks for the reply. My concern is why the domains are crashing. I'll
try to get more detail, as I saw the same situation this morning on the
same machine.
On Tue, 2005-10-11 at 17:36 -0500, Khoa Huynh wrote:
> dfbp@xxxxxxxxxxxxxxxxxxxxxxx wrote on 10/11/2005 04:28:56 PM:
>
> > changeset: 7313:4e335372ace8
> > tag: tip
> > parent: 7312:713328270fb3
> > parent: 7308:959d33fbd660
> > user: emellor@ewan
> > date: Tue Oct 11 09:23:19 2005 +0100
> > summary: Merged.
> >
> > Machine: IBM xSeries 235, 1GB RAM, SCSI drives.
> >
> > This is what 'xm list' shows initially:
> >
> > Name ID Mem(MiB) CPU VCPUs State Time(s)
> > Domain-0 0 120 0 1 r----- 899.8
> > vm1 1 127 1 1 -b---- 684.8
> > vm2 2 127 1 1 -b---- 555.7
> >
> > Later on, the domain IDs have incremented. I have neither manually
> > stopped nor started any guest domains:
> >
> > Name ID Mem(MiB) CPU VCPUs State Time(s)
> > Domain-0 0 121 0 1 r----- 1171.5
> > vm1 3 126 1 1 -b---- 163.4
> > vm2 5 126 1 1 -b---- 11.0
> >
>
> This is because the domains crashed and then were restarted.
> In the domain config file (in /etc/xen), the default is:
> on_crash = restart
> You can set on_crash = preserve to prevent the domains from
> being restarted after they crash.
>
> >
> > x235:/tmp/xen-unstable.hg # xm dmesg
> > (XEN) Phys-Mach map: c0633000->c0652400
> > (XEN) Start info: c0653000->c0654000
> > (XEN) Page tables: c0654000->c0657000
> > (XEN) Boot stack: c0657000->c0658000
> > (XEN) TOTAL: c0000000->c0800000
> > (XEN) ENTRY ADDRESS: c0100000
> > (XEN) Scrubbing Free RAM: ...........done.
> > (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
> > input to Xen).
> > (XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
> > space 00000000
>
> I have seen this error previously on my system. After making sure that
> the domain config file is correct(several options have been changed),
> and doing a 'make mrproper' before rebuilding Xen stuff, this error
> went away (at least on my system).
>
> Regards,
>
> Khoa H.
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>
--
Regards,
David F Barrera
Linux Technology Center
Systems and Technology Group, IBM
"The wisest men follow their own direction. "
Euripides
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