Re: [Xen-users] Problems starting xend on Squeeze

["Sergio Charpinel Jr." <sergiocharpinel@xxxxxxxxx>]

Hi Sebastian,

Make sure your xenfs partition is mounted:

mount

or:

grep -q xenfs /etc/fstab

if not:

echo "xenfs /proc/xen xenfs defaults 0 0" >> /etc/fstab

mount -a

And xen-evtchn module is loaded.

Also, start xencommons.

Hope this helps

2011/3/31 Sebastian Biedermann <biedermann@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>

From: Sebastian Biedermann<biedermann@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Subject: [Xen-users] Problems starting xend on Squeeze
To: xen-users@xxxxxxxxxxxxxxxxxxx
Date: Wednesday, March 30, 2011, 4:26 AM
Hi List,

I use Debian Squeeze and I installed the Hypervisor 4.0
package.
After that I compiled Jeremys dom0 Kernel version
2.6.32.35

I can boot the kernel (I guess everything is fine there),
but xend is not starting during the boot..
I receive following error message:

#/etc/init.d/xend start
Starting Xen daemons: xenfs xenstored xenconsoled
xendFATAL: Failed to initialize dom0 state: Invalid
argument

It all depends on your config:

You are working with init scripts from Debian Squeeze and it expects all
CONIFIG_XEN_* values to be =y (static), except these

$ grep -i xen ./Desktop/config-2.6.32-5-xen-amd64 | grep =m
CONFIG_XEN_BLKDEV_FRONTEND=m
CONFIG_NETXEN_NIC=m
CONFIG_XEN_NETDEV_FRONTEND=m
CONFIG_XEN_DEV_EVTCHN=m
CONFIG_XEN_BLKDEV_TAP=m
CONFIG_XENFS=m
CONFIG_ACPI_PROCESSOR_XEN=m

Compare your config values with these and you might find a difference. Always remember that that /proc/xen must be mounted in fstab in Squeeze.

BTW, did you consider building Xen from source and using the kernel 2.6.32-5-xen-amd64 included in Squeeze?

Hi,


I checked that out, everything is like you wrote but it´s still not starting.
My xend-debug.log says:

[2011-03-31 09:30:44 2760] INFO (SrvDaemon:332) Xend Daemon started
[2011-03-31 09:30:44 2760] ERROR (SrvDaemon:349) Exception starting xend ((22, 'Invalid argument'))

Traceback (most recent call last):

 File "/usr/lib/xen-4.0/lib/python/xen/xend/server/SrvDaemon.py", line 335, in run
   xinfo = xc.xeninfo()
Error: (22, 'Invalid argument')
[2011-03-31 09:30:44 2759] INFO (SrvDaemon:220) Xend exited with status 1.


Do you have an idea what that could be?

Thank you very much

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--
Sergio Roberto Charpinel Jr.

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