Comment 67 for bug 561210

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David McBride (david-mcbride) wrote :

Hi Thag,

I don't know if this helps you, but I'm currently running NFS servers and clients successfully on 10.04 after having replaced the kernel with Linus's upstream 2.6.35.6.

When testing with 2.6.35, enabling "Forced pre-emption" appeared to expose similar in-kernel deadlocking bugs which did not occur with just voluntary pre-emption enabled.

Note that some earlier point releases of 2.6.35 did not *serve* NFS properly from volumes backed by XFS, and would spuriously return "Stale NFS filehandle" for inodes which were valid; I'd recommend using stable release .6 or later if you're running in a similar configuration.

Finally, I'm sympathetic towards the Ubuntu chaps -- they're trying to roll full distribution releases every 6 months to a pre-determined schedule with (what appears to be) not enough manpower and not enough time to push patches back upstream. They're going to drop things..