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[Xen-devel] Re: Linux 2.6 guest BUG().



Keir Fraser wrote:

On 1 Feb 2006, at 16:08, Matt Ayres wrote:

I can provide dozens of BUG()'s if required. It just happened again on a host in dom0 to the sshd daemon and now that port is locked (netstat -nlp reports "-" as the process name). I am able to access the server via the console.

I assume you mean Xen's memory usage. I am showing 141MB free out of 8112MB total. Our scripts to add accounts don't allow adding more accounts then there is memory for, we actually leave about 128MB as a buffer.

That's a bit odd then. If you don't explicitly specify dom0's memory allocation at boot time then you should end up with 128MB 'slack' left unallocated. And that should all be <4GB.

If you are giving dom0 all of memory on boot, and then reducing it later, that could be a problem (dom0 may end up giving back only memory >4GB).


Just as an update, I just "upgraded" this specific host from -unstable to 3.0-testing (3.0.1) and I will report back if I still receive these BUG()'s.

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