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Re: [Xen-users] I/O hangs with Xen 3.0.1 on Dell poweredge

On Thu, Mar 16, 2006 at 11:35:34AM +0000, Dr A V Le Blanc wrote:
> I can boot dom0 and create and start other domains.  Unfortunately,
> whenever I do anything involving much disk access, or so it appears,
> the kernel appears to hang.  I have a DELL DRAC card (for what it's
> worth), and I can get in on the serial console and use SysRq to
> send commands to the hung system, so I know the kernel is still
> responding, but all ssh sessions active on dom0 or on any other
> domain hang.  The syslog shows no message before the reboots,
> and there are no particular error messages in xend.log.

Not a solution, but a workaround:

I had the same problem and "fixed" it by passing "nousb" to domain0 
(which I don't really need on my servers anyway):

title Xen 3.0 NoUSB
root            (hd0,1)
kernel /xen-3.0.1.gz dom0_mem=400000 
module /xen-linux- root=/dev/md0 ro console=tty0 nousb
module /xen-modules-

Adding ignorebiostables to the domainU's should work too. See this 
post for more info:


Best regards,


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