Re: [Xen-devel] Fatal crash on xen4.2 HVM + qemu-xen dm + NFS

[Alex Bligh <alex@xxxxxxxxxxx>]

Jan,

--On 17 December 2012 10:10:30 +0000 Jan Beulich <JBeulich@xxxxxxxx> wrote:

> > > > On 14.12.12 at 15:54, Alex Bligh <alex@xxxxxxxxxxx> wrote:
> > [ 1416.992402] BUG: unable to handle kernel paging request at ffff88073fee6e00
> Assuming the address above is valid in the first place (i.e. you
> have at least 32G installed), this very much suggests access to
> a ballooned out page. Could you therefore suppress the use of
> ballooning for debugging purposes, and see whether the issue
> goes away then?
Thanks. I believe that dump was on a 64G box (though it dies happily on lots
of hardware.

I believe we have dom0_mem configured already. Is setting autoballoon=0 in
xl.conf sufficient? (we don't use xend).

I will report back.

--
Alex Bligh

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