[Xen-users] Transient xen performance issue

[Dan Zhang <danz@xxxxxxxxx>]

I'm installing Xen with the OpenSUSE 10.2 distro and the  
bigsmp-2.6.18.8-0.13.i586 kernel. However, I occasionally get insane  
amounts of slowdown (almost 100x) in dom0. On bootup, performance is  
normal. After an undeterministic period of time, I get this crazy  
amount of slowdown. I'm not sure why this is the case and I have spent  
a long time trying to figure it out. There are no background processes  
running and nothing CPU intensive shows up on top or ps aux.
One point of interest is that when I run 'lsmod', the modules ide_core  
and ide_disk are missing. I tried installing them but it seems that  
they aren't necessary. Since performance is fine on startup, I'm not  
sure if this is a problem.
I'm installing and compiling Xen 3.3.0 from scratch by using "make  
world", etc.
Does anyone have any ideas or suggestions?

Thanks!

Dan

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