[Bug 561210] Re: Writing big files to NFS target causes system lock up

[David McBride]

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..

-- 
Writing big files to NFS target causes system lock up
https://bugs.launchpad.net/bugs/561210
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