On Fri, Oct 27, 2006 at 09:35:09AM +0200, bram wrote: > Hi all, > > I'm rather new to freebsd so forgive me if I am saying things that don't > make sense. > > I have a dual opteron server running freebsd 6.1/amd64 updated 4 weeks ago. > > Since I moved to 6 I've been having tho following problem. > > When I put heavy load on the server (python scripts that take 20 minutes > to complete) the server sometimes hangs. > > I can then not ping it anymore and it does not respond to anything (no > keyboard power button etc.). > Mostly there are no error messages or anything so I have no clue to what > the problem is. > One time it did give an error but I did not wrote it down, but as I > recall it was something like SMP spin lock timed out. > > It hangs every three weeks > > Please give me some info on how I can get it to give more info or how to > resolve this problem.
See the chapter on kernel debugging in the develpers handbook Kris
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