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xen-devel
Re: Linux 2.6 guest BUG(). (was: Re: [Xen-devel] Re: [Xen-changelog] Fix
Keir Fraser wrote:
On 31 Jan 2006, at 22:42, Matt Ayres wrote:
<puts on dunce hat>
I've created a comment with the BUG. I remember I was going to have
xen-bugtool include /var/log/messages, but later decided I didn't want
so many system details put out in public.
How tight on memory are you running the system? The BUG is probably
happening because the guest is failing to allocate a page of memory
below 4GB. Since Xen tries to give out memory below 4GB last, that
probably means there is very little available memory.
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.
Obviously we need a better fallback strategy than BUG(). :-)
Alright captain, what do I need to do on my end? Grepping
/var/log/messages for "syscall" grants about 20+ results so something is
going very wrong.
Thank you,
Matt Ayres
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