panic in sbdrop_locked

[Gleb Smirnoff]

On Sat, Jan 28, 2006 at 01:45:07AM +0100, Meno Abels wrote:
M> i have two boxes running currently freebsd-6.0-p3 i386 and they are
M> panic around every 24 hour once a time. I just update to -p4 so i will
M> see if it working better. I also didn't have the debug kernel ready so
M> i can only provide this very weak infos:
M> (kgdb) bt
M> #0  0xc06e5b2c in doadump ()
M> #1  0xc06e60c0 in boot ()
M> #2  0xc06e6409 in panic ()
M> #3  0xc0731406 in sbdrop_locked ()
M> #4  0xc07b373e in tcp_input ()
M> #5  0xc07a93fe in ip_input ()
M> #6  0xc077a2b9 in netisr_processqueue ()
M> #7  0xc077a51f in swi_net ()
M> #8  0xc06cbfe8 in ithread_loop ()
M> #9  0xc06caebf in fork_exit ()
M> #10 0xc090fe1c in fork_trampoline ()
M> 
M> Is there any procedure to track this problem down other than have a
M> debug kernel prepared what i done now-:) And have a very close look to
M> the backtrace. I saw it
M> happens sometimes in the development branches.

Yes, the same backtrace with debugging kernel will be much more
informative.  Please followup when you got one.

-- 
Totus tuus, Glebius.
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