Re: 100% repeatable NFS v3 client hang

[John McCorquodale <mcq@cacr.caltech.edu>]

> 2.6.21 still had some problems, but 2.6.22-rcX has fixes for all
> reported bugs and should be stable. At least I haven't heard of any
> further issues.
> 
> If you can reproduce the hang, and send me the output from an 'echo t
> >/proc/sysrq-trigger', then I'd be happy to look at the resulting dump.
> Don't forget to specify a large buffer size when you use dmesg: I tend
> to use 'dmesg -s 90000'.
> It would also be nice if you could try to reproduce the problem on a
> 2.6.22-rc4 kernel, to see if it is still there.

Will do as you instruct.  It'll probably be the weekend before I can get the
shadow systems running for our experiments.  I was running 2.6.22-rc3 at
one point and saw the problem, so we'll probably get something interesting
from the sysrq.

Thanks for the precise insturctions; that's about the right level of detail
for my inexperience doing this sort of thing.  :)

Cheers,

-mcq

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