PF LOR and panic

Hi,

got this LOR and panic with a 5.3-BETA1 kernel from yesterday on a SMP
machine.  Can't say how much time there was between them.  A dump is
available.


lock order reversal
 1st 0xc0739f20 pf task mtx (pf task mtx) _at_
/usr/home/build/src/sys/contrib/pf/net/pf.c:5828
 2nd 0xc103a4c4 user map (user map) _at_
/usr/home/build/src/sys/vm/vm_map.c:2997
KDB: stack backtrace:
kdb_backtrace(0,ffffffff,c074a9d8,c074bb08,c071a56c) at
kdb_backtrace+0x29
witness_checkorder(c103a4c4,9,c06f826b,bb5) at witness_checkorder+0x540
_sx_xlock(c103a4c4,c06f826b,bb5) at _sx_xlock+0x50
_vm_map_lock_read(c103a480,c06f826b,bb5,2000000,c) at
_vm_map_lock_read+0x3b
vm_map_lookup(d41f7a8c,d21f7000,2,d41f7a90,d41f7a80) at
vm_map_lookup+0x26
vm_fault(c103a000,d21f7000,2,0,c1969160) at vm_fault+0x6a
trap_pfault(d41f7b54,0,d21f7bac) at trap_pfault+0x11c
trap(18,10,10,c3e24850,c1aa3c00) at trap+0x321
calltrap() at calltrap+0x5
--- trap 0xc, eip = 0xc0459c46, esp = 0xd41f7b94, ebp = 0xd41f7c58 ---
pf_test(1,c1a38800,d41f7c8c,c1f42820,c0771fe0) at pf_test+0x3c6
pf_check_in(0,d41f7c8c,c1a38800,1,c3e24800) at pf_check_in+0x32
pfil_run_hooks(c0771fe0,d41f7cd4,c1a38800,1) at pfil_run_hooks+0xac
ip_input(c3e24800) at ip_input+0x25f
netisr_processqueue(c076fcb8) at netisr_processqueue+0x6e
swi_net(0) at swi_net+0x89
ithread_loop(c1962b80,d41f7d48,c1962b80,c0500660,0) at
ithread_loop+0x126
fork_exit(c0500660,c1962b80,d41f7d48) at fork_exit+0xa8
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xd41f7d7c, ebp = 0 ---


Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address   = 0xd21f7bac
fault code              = supervisor write, page not present
instruction pointer     = 0x8:0xc0459c46
stack pointer           = 0x10:0xd41f7b94
frame pointer           = 0x10:0xd41f7c58
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 38 (swi1: net)
[thread 100012]
Stopped at      pf_test+0x3c6:  movl    %edx,-0xac(%ebp)
db> tr
pf_test(1,c1a38800,d41f7c8c,c1f42820,c0771fe0) at pf_test+0x3c6
pf_check_in(0,d41f7c8c,c1a38800,1,c3e24800) at pf_check_in+0x32
pfil_run_hooks(c0771fe0,d41f7cd4,c1a38800,1) at pfil_run_hooks+0xac
ip_input(c3e24800) at ip_input+0x25f
netisr_processqueue(c076fcb8) at netisr_processqueue+0x6e
swi_net(0) at swi_net+0x89
ithread_loop(c1962b80,d41f7d48,c1962b80,c0500660,0) at
ithread_loop+0x126
fork_exit(c0500660,c1962b80,d41f7d48) at fork_exit+0xa8
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xd41f7d7c, ebp = 0 ---


- Christian

-- 
Christian Brueffer	chris_at_unixpages.org	brueffer_at_FreeBSD.org
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