Date: Sun, 30 Oct 2005 09:37:54 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: FreeBSD current mailing list <current@freebsd.org> Subject: LOR on kldunload nve/radix node head (v6?) Message-ID: <Pine.BSF.4.53.0510300934590.27142@e0-0.zab2.int.zabbadoz.net>
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Hi, upon kldunload if_nve I got this. I added it with LOR ID # 166: http://sources.zabbadoz.net/freebsd/lor.html#166 lock order reversal: 1st 0xffffff00009a7180 nve0 (network driver) @ sys/modules/nve/../../dev/nve/if_nve.c:674 2nd 0xffffff0000b234f0 radix node head (radix node head) @ sys/net/route.c:148 KDB: stack backtrace: kdb_backtrace() at kdb_backtrace+0x37 witness_checkorder() at witness_checkorder+0x6f2 _mtx_lock_flags() at _mtx_lock_flags+0x7a rtalloc1() at rtalloc1+0x94 in6_ifremloop() at in6_ifremloop+0x6d in6_purgeaddr() at in6_purgeaddr+0x8b if_purgeaddrs() at if_purgeaddrs+0xba if_detach() at if_detach+0x31 ether_ifdetach() at ether_ifdetach+0x79 nve_detach() at nve_detach+0x240 device_detach() at device_detach+0x85 devclass_delete_driver() at devclass_delete_driver+0xb7 driver_module_handler() at driver_module_handler+0xec module_unload() at module_unload+0x56 linker_file_unload() at linker_file_unload+0x93 kern_kldunload() at kern_kldunload+0xa2 kldunloadf() at kldunloadf+0x19 syscall() at syscall+0x350 Xfast_syscall() at Xfast_syscall+0xa8 --- syscall (444, FreeBSD ELF64, kldunloadf), rip = 0x800678c9c, rsp = 0x7fffffffe4d8, rbp = 0x7fffffffe980 --- -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT
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