On Tue, Jul 26, 2011 at 01:17:52PM +0200, Herve Boulouis wrote: > Le 26/07/2011 12:06, Kostik Belousov a Иcrit: > > On Tue, Jul 26, 2011 at 11:49:13AM +0200, Herve Boulouis wrote: > > > Le 25/07/2011 11:59, Kostik Belousov a ?crit: > > > > > > Ok the patched server crashed this morning strangely : all httpd > > > processes were stuck in nfs or vmopar > > > and were unkillable. Below is the full ps. > > > > Please see the > > http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-deadlocks.html > > for information required to debug the deadlocks. > > the box was not stricly deadlocked since I was able to interact with it but I > suppose you want me to > break into debugger when the symptoms appears again and report all the > commands listed in the handbook > deadlock section ?
Exactly. I think everything was hung that accessed an nfs mount point. From the usermode, procstat -kk could catch some interesting information, but it is redundant if ddb output is captured.
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