LOR with rtentry and rl0

I don't recall seeing this LOR posted.  It may be related
to rwatson's recent work in the socket layer.


lock order reversal
1st 0xc2f098a0 rtentry (rtentry) _at_ /usr/src/sys/netinet/if_ether.c:445
2nd 0xc2c33f00 rl0 (network driver) _at_ /usr/src/sys/modules/rl/../../pci/if_rl.c:1444
KDB: stack backtrace:
witness_checkorder(c2c33f00,9,c084cffd,5a4,c2c338fc) at witness_checkorder+0x5e9
_mtx_lock_flags(c2c33f00,0,c084cffd,5a4,c2c33800) at _mtx_lock_flags+0x54
rl_start(c2c33800,0,c06c19af,184,202a94c) at rl_start+0x37

ether_output_frame(c2c33800,c2e69400,6,ea0a5a04,c062f4e4) at ether_output_frame+0x23c
ether_output(c2c33800,c2e69400,ea0a5a28,0,c2f6c3c8,2,1,c06b2302,32b,c2f6fa10,c2f6fa84) at ether_output+0x26f
arprequest(ea0a5b20,c2c3d4ab,c06c254d,1bd,ea0a5a84) at arprequest+0x10b
arpresolve(c2c33800,c2f09840,c2e69500,ea0a5b1c,ea0a5aa0) at arpresolve+0x30d
ether_output(c2c33800,c2e69500,ea0a5b1c,c2f09840,c06bb96b) at ether_output+0x32b
ip_output(c2e69500,0,ea0a5b18,1,0) at ip_output+0xa39
udp_send(c2f06bac,0,c2e69500,0,0) at udp_send+0x40e
sosend(c2f06bac,0,ea0a5c44,c2e69500,0) at sosend+0x600

kern_sendit(c2f6fa10,d,ea0a5cc0,0,0) at kern_sendit+0xee
sendit(ea0a5cc0,0,80f902b,0,0) at sendit+0x5f
sendto(c2f6fa10,ea0a5d14,18,3ff,6) at sendto+0x53
syscall(2f,2f,2f,bfbfe210,482abf84) at syscall+0x13d
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (133, FreeBSD ELF32, sendto), eip = 0x4822463f, esp = 0xbfbfd52c, ebp = 0xbfbfd558 ---
-- 
Steve
-- 
Steve