Re: Experiencing hangs on SMP box with no console messages given for clues. Details inside.

On Sun, 11 Mar 2007, Tillman Hodgson wrote:

> On Sat, Mar 10, 2007 at 10:40:33PM -0600, Tillman Hodgson wrote:
>> Shouldn't take more than a day or two to get the info requested in
>> 11.9.
>
> As it turns out, a few hours.
>
> After capturing the information below I ran `panic`. While booting, the
> following lock messages came up -- I thought it might be related so I'll
> post it here:
>
> ...
> Starting spamd.
> lock order reversal:
> 1st 0xc44d8c44 pf task mtx (pf task mtx) _at_ /usr/src/sys/modules/pf/../../contrib/pf/net/pf.c:6414
> 2nd 0xc0a9df6c tcp (tcp) _at_ /usr/src/sys/modules/pf/../../contrib/pf/net/pf.c:2760
> KDB: stack backtrace:
> db_trace_self_wrapper(c094da94) at db_trace_self_wrapper+0x25
> kdb_backtrace(0,ffffffff,c0a5d7d8,c0a5f330,c09f6c04,...) at kdb_backtrace+0x29
> witness_checkorder(c0a9df6c,9,c44d5e24,ac8) at witness_checkorder+0x586
> _mtx_lock_flags(c0a9df6c,0,c44d5e24,ac8,c0a9df6c,...) at _mtx_lock_flags+0x84
> pf_socket_lookup(e466da84,e466da88,1,e466db40,0,...) at pf_socket_lookup+0x1d3
> pf_test_tcp(e466daf0,e466dae8,1,c4505d00,c4467700,...) at pf_test_tcp+0x11e6
> pf_test(1,c4098800,e466dbdc,0,0,...) at pf_test+0xae3
> pf_check_in(0,e466dbdc,c4098800,1,0) at pf_check_in+0x37
> pfil_run_hooks(c0a9db40,e466dc2c,c4098800,1,0) at pfil_run_hooks+0x7f
> ip_input(c4467700) at ip_input+0x232
> netisr_dispatch(2,c4467700,0,c4098800,c44a0800,...) at netisr_dispatch+0x58
> ether_demux(c4098800,c4467700,c4037000,c44a1002,e466dca0,...) at ether_demux+0x28a
> ether_input(c4098800,c4467700,c4037014,0,c092325d,...) at ether_input+0x202
> fxp_intr_body(c4037000,c4098800,40,ffffffff) at fxp_intr_body+0x1a0
> fxp_intr(c4037000) at fxp_intr+0x95
> ithread_execute_handlers(c40a0240,c3f46900) at ithread_execute_handlers+0x11e
> ithread_loop(c40433a0,e466dd38) at ithread_loop+0x67
> fork_exit(c06adf00,c40433a0,e466dd38) at fork_exit+0xac
> fork_trampoline() at fork_trampoline+0x8
> --- trap 0, eip = 0, esp = 0xe466dd70, ebp = 0 ---
> Starting courier_authdaemond.
> ...

The above looks like LOR #17 or #191 just with a direct dispatch.
 	http://sources.zabbadoz.net/freebsd/lor/191.html

I added the traceback there and added a link to this thread.

I can see that you at least recompiled your kernel lately - do
you have up-to-date sources or should I mark the LOR as problematic
again?
:a



-- 
Bjoern A. Zeeb				bzeeb at Zabbadoz dot NeT