Weird bge related lock order reversal...

[Peter Losher]

I have a quad-Opteron box running FreeBSD 5.3-p5/i386, and it has two onboard 
Broadcom copper GigE NIC's (bge0 is used as a private wire, bge1 is the 
public interface)  

-=-
bge0: <Broadcom BCM5704C Dual Gigabit Ethernet, ASIC rev. 0x2003> mem 
0xf1140000-0xf114ffff,0xf1150000-0xf115ffff irq 31 at device 3.0 on pci14
miibus0: <MII bus> on bge0
bge0: Ethernet address: <some mac address>
bge0: [GIANT-LOCKED]
bge1: <Broadcom BCM5704C Dual Gigabit Ethernet, ASIC rev. 0x2003> mem 
0xf1160000-0xf116ffff,0xf1170000-0xf117ffff irq 28 at device 3.1 on pci14
miibus1: <MII bus> on bge1
bge1: Ethernet address: <some mac address>
bge1: [GIANT-LOCKED]
-=-

When booting, and just after initializing the network (configuring the NIC's 
for autoneg to a DLink GigE switch), console spits out this lock order 
reversal:

-=-
Starting local daemons:bge1: gigabit link up
lock order reversal
 1st 0xc5a65dec inp (rawinp) @ netinet/raw_ip.c:199
 2nd 0xc5a65ea0 inp (raw6inp) @ netinet/raw_ip.c:199
KDB: stack backtrace:
kdb_backtrace(ffffffff,c08fdb48,c08fdb70,c088f47c,c09223e8) at 
kdb_backtrace+0x29
witness_checkorder(c5a65ea0,9,c08391f0,c7) at witness_checkorder+0x49d
_mtx_lock_flags(c5a65ea0,0,c08391e7,c7) at _mtx_lock_flags+0x1e
rip_input(c5461200,14,50000e0,0,0) at rip_input+0x64
ip_input(c5461200) at ip_input+0x596
netisr_processqueue(c0923418) at netisr_processqueue+0x6e
swi_net(0) at swi_net+0x88
ithread_loop(c4fe7a80,e7307d48,c08f6780,0,c082cc46) at ithread_loop+0x10c
fork_exit(c05fa5dc,c4fe7a80,e7307d48) at fork_exit+0x66
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xe7307d7c, ebp = 0 ---
-=-

Is this ominous? Are there any known issues w/ Broadcom NIC's running at GigE 
speeds? The only other oddity on this system is that we have assigned v6 
addressed to vlan interfaces. (we haven't done that in the past until now)

Thanks in advance for any light you can shed on this...

Best Wishes - Peter
-- 
Peter_Losher at isc.org | ISC | OpenPGP 0xE8048D08 | "The bits must flow"
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