Kernel GPF

[Patrick O'Callaghan]

On Sun, 2010-02-07 at 17:32 -0430, Patrick O'Callaghan wrote:
[...]
> After reducing my RAM to 2GB via the mem= boot option (see parallel
> branch of this thread) I don't seem to be getting memory errors, but I
> still have problems, apparently with NFS. I've posted a trace from
> dmesg to http://fpaste.org/eEh6/
> 
> The scenario is that I'm using rsync to an NFS-mounted directory as a
> backup method. I had previously tried rsyncing directly to the server
> (an Iomega ix2-200 desktop NAS), but it's unbelievably slow in this
> configuration. I measured 100-300Kbps doing it this way -- which would
> take well over a day to run my initial full backup job), versus at least
> an order of magnitude faster running rsync over NFS. I conjecture that
> the NAS cpu just isn't up to calculating the rsync checksums fast enough
> to keep up with a 100Mbps LAN.

Reported at https://bugzilla.redhat.com/show_bug.cgi?id=562680

poc