Re: help with Xen 4.1 on -current

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Fri, May 20, 2011 at 02:55:38PM -0700, Jeff Rizzo wrote:
> I don't follow Xen development all that closely, and I've never used
> it under Linux - so I'm a little lost while trying out Xen 4.1 on my
> NetBSD 5.99.51 amd64 dom0.
> 
> This system was working fine with Xen 3.3 - I have a PV domU config
> (NetBSD 5.1-ish) that was running, and that I haven't changed the
> config file, kernel, or anything else.
> 
> I have the latest xenkernel41 and xentools41 packages installed.
> The system boots with the Xen4.1 kernel (although I have to gunzip
> it to get it to work - I had the same issue with Xen3, though, so
> that's not new.  Bootloader issue, maybe?), and I have the following
> in rc.conf:
> 
> xend=YES
> 
> ... I copied all the rc files to /etc/rc.d, and removed older
> versions.  It's unclear to me if xend is fully starting, as I see
> this:
> 
> xenserver1:riz  /usr/pkg/etc/xen> ps ax |grep xen
>  278 ?     I    0:00.22 /usr/pkg/sbin/xenstored --pid-file
> /var/run/xenstored.p
>  286 ?     Isl  0:00.01 /usr/pkg/sbin/xenbackendd
>  291 ?     I    0:00.00 /usr/pkg/bin/python2.6 /usr/pkg/sbin/xend start
>  293 ?     Il   0:00.00 /usr/pkg/sbin/xenconsoled
>  303 ?     Il   0:01.19 /usr/pkg/bin/python2.6 /usr/pkg/sbin/xend start
> 
> In /var/log/xen/xend-debug.log, I see this (only):
> 
> Xend started at Fri May 20 13:16:35 2011.
> brctl: not found
> brctl: not found
> /usr/pkg/lib/python2.6/site-packages/xen/xend/XendAPI.py:551:
> DeprecationWarning: object.__new__() takes no parameters
>   return object.__new__(cls, *args, **kwds)
> 
> Things sort-of look ok; but when I try to use 'xm' to start my domU,
> it *seems* to work, but the domain isn't running - and when I check
> xend.log, it seems to have crashed:
> 
> xenserver1# xm create -c boogers
> Using config file "/usr/pkg/etc/xen/boogers".
> Started domain boogers (id=3)
>                              xenserver1# xm list
> Name                                        ID   Mem VCPUs
> State   Time(s)
> Domain-0                                     0   256     1
> r-----     39.7
> xenserver1#
> 
> From xend.log:
> 
> [2011-05-20 14:52:35 303] INFO (XendDomain:1225) Domain boogers (3)
> unpaused.
> [2011-05-20 14:52:35 303] WARNING (XendDomainInfo:2061) Domain has
> crashed: name
> =boogers id=3.
> [2011-05-20 14:52:35 303] ERROR (XendDomainInfo:2195) VM boogers
> restarting too
> fast (Elapsed time: 0.790479 seconds). Refusing to restart to avoid loops.
> 
> 
> ...any ideas?

Anything in 'xm dmesg' ? Maybe use a xen-debug kernel, to have more
details about the guest crash

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--