On Sun, 7 Apr 1996 10:45:34 -0400 (EDT) 
 David Gilbert <dgilbert@jaywon.pci.on.ca> wrote:

 > 	I have found that if I get a process stuck in 'D', then I can
 > produce more such processes by attempting to read the directory in
 > which that process is attempting to read files.  I have been able to
 > duplicate this where I had compiles running which I could definately
 > track down.

Smells like a vnode locking problem, maybe?  That could cause the hangs 
(not really hangs, but enough like one to call it that) people have 
observed at reboot (after the "syncing disks...").

 > 	Interestingly, nfsd processes will also get stuck in this
 > manner.  I don't know if this is interesting, or not.

Hmm, though, I could swear this came up before NFSv3 went in, but I could 
be wrong...

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Jason R. Thorpe                                       thorpej@nas.nasa.gov
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