[uml-devel] Xen 3.0.2 and UML guest

[Michael Richardson <mcr@sandelman.ottawa.on.ca>]

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I had to replace my nightly test run box, and I thought it would be simplest
to just turn it into a XenU on a beefier server I have.

When I run my UMLs under Xen, they go into permanent R state. Since my
scripts eventually time out, and continue... I get loads of 60+, etc.

It appears that this happens as soon as the UML starts the scheduler.
I have uml_mconsole control, and can sysrq stuff, etc. 

I notice a big delay when I start just after it decides that it's using SKAS0.

The Xen0 kernel:            2.6.17-1.2174_FC5xen0 
The XenU kernel involved:   2.6.16-xen #3         (xen-3.0.2, locally compiled)
The UML kernel:             2.6.16.18 and 2.6.15

I will try going forward to newer UML kernels.

The fault may well be Xen's.  I'm looking for other experiences, yeah or nay.

-- 
]            Bear: "Me, I'm just the shape of a bear."          |  firewalls  [
]   Michael Richardson,    Xelerance Corporation, Ottawa, ON    |net architect[
] mcr@xelerance.com      http://www.sandelman.ottawa.on.ca/mcr/ |device driver[
] panic("Just another Debian GNU/Linux using, kernel hacking, security guy"); [



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