Re: [Xen-devel] dom0 reboots (reproducably) when installing rpms in domU

[Marcus Hardt <marcus.hardt@xxxxxxxxxx>]

Quoting Ian Pratt
> > I'm using 2.6.10-xen0 on debian with 2.4.29-xenU and
> > scientific linux. When
> > installing a large RPM on the sci-linux, the dom0 reboots
> > reproducably. No
> > log info found in /var/log/[syslog|dmesg|messages].
>
> Run the dom0 in text mode, and see if you get an oops message.

I get a lot of 
 Out of Memory
Messages until the machine reboots. The dom0 had 64MB only. My fault, sorry!

> > My guest filesystem in inside a file which is nfsmounted.
>
> Using a loopback file over NFS is a bad idea -- you're likely to find
> the oom killer getting ivoked if you hit the disk hard with writes. This
> is a standard Linux issue and is trivially reproduceable on native.
>
> GNBD or iSCSI are much better options.

needed a starting point first ;-)

> > Is it stupid to use 2.4 on 2.6?
>
> Its not widely tested, but should work.
-- 
Marcus

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