Re: [Xen-users] problem starting domains

[Luke <secureboot@xxxxxxxxx>]

On Jan 24, 2006, at 9:38 AM, Luke wrote:

> I'm trying to start a number of lvm-backend domUs on a Dell  
> Poweredge 2850 (i've got nousb on the grub command line, and no usb  
> in the kernel).
> Some domUs are created and started successfully.
>
> However, quite a few of my domUs don't start properly.  I get the  
> correct Started Domain messages... but then the domain doesn't "go  
> anywhere", meaning it uses .3 cpu time, then never any more.
> I create the domUs by dd if=/dev/xen/base_image of=/dev/xen/ 
> new_image, after creating a new_image using lvcreate of the same  
> size as the base image.  I've verified that these images actually  
> exist.
> Looking through the log from xend.log below, i see an error about / 
> dev/hda1 (the root device given to the domU on the command line,  
> which you can also see in the logs) not existing.  Why would that be?
> I'm running the xen-3.0 testing...
>
> The physical machine has 2 Xeon dual-core processors with  
> hyperthreading (which is enabled).  Should I disable hyperthreading  
> in the kernel?  Would that make a difference?  I saw a post earlier  
> about that...
> Error log attached, with ip addresses replaced.
> <xen.log>
>
> Thanks for the help.
Turns out, the problem seems even more serious.   All long running  
jobs get unexpectedly terminated.  So I couldn't compile a new Xen  
kernel, since it kept getting interrupted - even screen was getting  
killed.
Anyone else have similar problems?

Any insight as to what the problem could be?  I wasn't having any  
issues on a 1850 Poweredge w/ similar processors and hyperthreading  
enabled, but on this one, everything dies (all domUs turn to Zombies  
after a bit...)
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