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Date: Thu, 29 Oct 2009 00:01:15 +0000
From: Bruce Cran <bruce@cran.org.uk>
To: current@freebsd.org, bzeeb+freebsd+lor@zabbadoz.net
Message-ID: <20091029000115.00005baf@unknown>
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Subject: LOR: rtentry (route.c) and ifnet_sx (sctp_bsd_addr.c)
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I installed the 9.0-CURRENT snapshot from 26th October on my iBook and
saw this LOR on bootup:

lock order reversal: (sleepable after non-sleepable)
 1st 0x12f5058 rtentry (rtentry) @ /usr/src/sys/net/route.c:1474
 2nd 0x9a0730 ifnet_sx (ifnet_sx)
 @ /usr/src/sys/netinet/sctp_bsd_addr.c:212
KDB: stack backtrace:
0xdd4b1560: at kdb_backtrace+0x4c
0xdd4b1580: at _witness_debugger+0x3c
0xdd4b15a0: at witness_checkorder+0x8d0
0xdd4b1600: at _sx_slock+0x90
0xdd4b1630: at sctp_init_ifns_for_vrf+0x50
0xdd4b1670: at sctp_addr_change+0x4c
0xdd4b16a0: at rt_newaddrmsg+0x78
0xdd4b1710: at rtinit+0x300
0xdd4b1830: at in_ifinit+0x8ac
0xdd4b1900: at in_control+0xca4
0xdd4b1960: at ifioctl+0x11f0
0xdd4b1a00: at soo_ioctl+0x3b4
0xdd4b1a20: at kern_ioctl+0x2a4
0xdd4b1a60: at ioctl+0x128
0xdd4b1aa0: at trap+0x37c
0xdd4b1b60: at powerpc_interrupt+0x11c
0xdd4b1b90: user SC trap by 0x219f6228: srr1=0xd032
            r1=0x7fffd630 cr=0x48222022 xer=0x20000000 ctr=0x219f6220


-- 
Bruce Cran