[CentOS-virt] Xen HVM domU won't start since updates to 2.6.18-164.15.1 kernels

Aaron Clark ophidian at ophidian.homeip.net
Tue Mar 30 02:12:18 UTC 2010

On 03/28/2010 11:14 PM, Christopher G. Stach II wrote:
> ----- "Aaron Clark"<ophidian at ophidian.homeip.net>  wrote:
>> I removed the vfb line from the /etc/xen/<guest>  file... still doesn't
>> start and the console does not attach.
>> [root at Yggdrasil ~]# xm create -f /etc/xen/Belldandy -c
>> Using config file "/etc/xen/Belldandy".
>> Started domain Belldandy
>> xenconsole: Could not read tty from store: No such file or directory
> Is there anything interesting in that run's qemu log?

The contents of the qemu log are:
domid: 5
qemu: the number of cpus is 1
Watching /local/domain/5/logdirty/next-active
Watching /local/domain/0/device-model/5/command
qemu: could not open serial device 'none'

Note that the qemu-dm process is listed as 'defunct' in ps.

One interesting line from the xend.log that I don't know how to 
interpret is:
[2010-03-29 21:03:53 xend.XendDomainInfo 3186] DEBUG 
(XendDomainInfo:633) Checking for duplicate for uname: 
/dev/SystemsVG/Belldandy [phy:/dev/SystemsVG/Belldandy], dev: hda:disk,
mode: w
[2010-03-29 21:03:53 xend 3186] DEBUG (blkif:27) exception looking up 
device number for hda:disk: [Errno 2] No such file or directory: 

Not sure if it means anything but thoughts appreciated.  This is **not** 
the last line in the log.

"The goblins are in charge of maintenance?  Why not just set it on fire 
now and call it a day?"
--Whip Tongue, Viashino Technician

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