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xen-devel
Re: [Xen-devel] network hang again
Hmm, I can give it a try, but I've never delved this deep into the
kernel block layers before.
On Wed, 2004-09-15 at 13:04, Keir Fraser wrote:
> > I do NOT get any errors from domain0, so I can't trace through to dom0
> > right now. 8-(
> >
> > This error coincides perfectly time wise with the linux-iscsi initiator
> > errors I got earlier this week, so I believe that this is what's
> > triggering the iscsi-initiator error.
> >
> > Any advice on how to figure out what is causing the I/O error would be
> > greatly appreciated. Right now it is the ONLY thing that is holding me
> > back from using the IET iSCSI target.
>
> You'll have to add tracing within generic_file_{read,write}. Those are
> the interface into the buffer cache (pretty much) and below that you
> enter the generic blkdev layer. Unfortunately the layers are pretty
> thick, but hopefully you can drill back down the error paths fairly
> quickly.
>
> Perhaps this might be related to the networking weirdnesses that
> people are seeing? I can't explain the weird DOM0<->DOM1 ping
> behaviour.
>
> -- Keir
>
>
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