LOR in /usr/src/sys/netinet/in.c:972

Dan Cojocar dan.cojocar at gmail.com
Sat Sep 3 07:34:20 PDT 2005

Here is my second lor for today :) that i didn't find on 
I get this when i run dhclient on cdce0 interface. It's harmless, because I 
obtain an valid ip and everything is working ok.

lock order reversal
1st 0xc06a2e40 in_multi_mtx (in_multi_mtx) @ /usr/src/sys/netinet/in.c:972
2nd 0xc0655660 Giant (Giant) @ /usr/src/sys/net/if.c:1998
KDB: stack backtrace:
witness_checkorder(c0655660,9,c0612eef,7ce,12c) at witness_checkorder+0x51c
_mtx_lock_flags(c0655660,0,c0612eef,7ce,c) at _mtx_lock_flags+0x54
if_addmulti(c1a67800,d5729afc,d5729af8,3cc,c1bf0780) at if_addmulti+0x260
in_addmulti(d5729b40,c1a67800,1,2cc,c1b8bbc8) at in_addmulti+0x66
in_ifinit(c1f53190,0,0,0,d5729b90) at in_ifinit+0x5bc
in_control(c1f8b000,8040691a,c1f53180,c1a67800,c1aa0e10) at in_control+0xfaa
ifioctl(c1f8b000,8040691a,c1f53180,c1aa0e10,2) at ifioctl+0x15a
soo_ioctl(c1f5e000,8040691a,c1f53180,c1f65200,c1aa0e10) at soo_ioctl+0x2e8
ioctl(c1aa0e10,d5729d04,c,422,3) at ioctl+0x118
syscall(3b,3b,3b,808e3a0,0) at syscall+0x13d
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (54, FreeBSD ELF32, ioctl), eip = 0x807f49b, esp = 0xbfbfe5bc, 
ebp = 0xbfbfee28 ---


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