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

[David Ambs <dave@xxxxxxxx>]

On Thu, 16 Mar 2006, 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.
>
> Has anyone else seen something similar?  Is this a known problem,
> and can it be fixed?  Thanks for your comments.
I have this same problem on my box<athlon xp>.... I'm not positive 
what it is yet.. I'm running Gentoo, so anytime I attempt to 
upgrade/compile something on Dom0, it causes massive timeouts on dom0/U's. 
This started happening after upgrading to Xen 3.0.1/2.6.12.6. I didn't 
have the issue in Xen 2.x. I've got a test box also<amd64> that is having 
the 
issues under 2.6.16. I was sort of wondering if it was the change in the 
time schedular, or other hardware conflicts. The dom0 kernel is very 
minimal, and has nothing compiled in but what is required to function as a 
server. I'll let ya know if I find anything more out. So far I've not seen 
many people complain of this issue, so I assumed it was my cheap hardware.
-dave


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