:
:The loopback nfs hangs that have been with us for a month have now propagated
:to -stable.
Can you break into DDB and get a 'ps' and a kernel core? There are a
bunch of things it could be, including possibly my low-memory deadlock
code (which concentrated more on UFS and not so much on NFS), though
my low-memory deadlock code was committed all the way back in
december (12/29). The only recent commit was to fix an O_EXCL bug,
and I doubt that could cause a loopback deadlock. The cause could
also be related to MFC's (not by me) related to the network stack,
which are more recent. There isn't much in the cvs logs that I
can see as having caused the problem to occur only recently.
-Matt
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