Re: Bug#440676: nfs-kernel-server: Simultaneous transfer on mirrored nfs mounts causes service freezes

[Moritz Muehlenhoff <jmm@inutil.org>]

Jens Seidel wrote:
>> > > A very similar behaviour can be reproduced with i386 as well (with the
>> > > Etch versions of  the Linux kernel and nfs-kernel-server):
>
> This patch fixed also a NFS freeze for me in my XEN domU. I just build
> a software project both in dom0 and domU in parallel (but in different
> build directories) and it freezes during the first 5 minutes. (Hardware:
> a quad core intel CPU, dom0 OpenSuse 10.2, domU Debian etch).
>
> It's now also much faster (by a factor 5--10 for a configure script). It
> still not as fast as expected so you may extent the patch :-)
>
>> Could you please test the attached patch from RHEL5 and report if it resolves
>> the problem for you?
>
> It does at least for me, so please apply the patch.

CCing Dann.

> PS: Where does the patch come from? Are there more?

It's from the RHEL 5 tree for 2.6.18. And yes, there's more, IIRC a couple
hundred patches.

Cheers,
        Moritz