LOR on kldunload nve/radix node head (v6?)

[Bjoern A. Zeeb]

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