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

From: Bjoern A. Zeeb (bzeeb-lists_at_lists.zabbadoz.net)
Date: 10/30/05

  • Next message: David Xu: "Re: TSC instead of ACPI: powerd doesn't work anymore (to be expected?)" 
    Date: Sun, 30 Oct 2005 09:37:54 +0000 (UTC)
To: FreeBSD current mailing list <current@freebsd.org>

    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
_______________________________________________
freebsd-current@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-current
To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
  • Next message: David Xu: "Re: TSC instead of ACPI: powerd doesn't work anymore (to be expected?)"

    Relevant Pages