Date: Mon, 17 Sep 2012 08:10:14 GMT From: "Eugene M. Zheganin" <emz@norma.perm.ru> To: freebsd-net@FreeBSD.org Subject: Re: kern/171697: [ip6] [ndp] panic when changing routes Message-ID: <201209170810.q8H8AEAE061027@freefall.freebsd.org>
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The following reply was made to PR kern/171697; it has been noted by GNATS. From: "Eugene M. Zheganin" <emz@norma.perm.ru> To: bug-followup@FreeBSD.org Cc: Subject: Re: kern/171697: [ip6] [ndp] panic when changing routes Date: Mon, 17 Sep 2012 14:03:02 +0600 Actually it's repeatable. There's a bug in net/bird6 (and net/bird), both aren't directly related to this bug, but bird for some reason doesn't honor on-interface routes and can delete them, so I have to add a filter so it won't do it again and then restore the on-interface route by hand. And in this moment FreeBSD panics. One more panic: panic: sin_family 18 cpuid = 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a kdb_backtrace() at kdb_backtrace+0x37 panic() at panic+0x1d8 in6_lltable_lookup() at in6_lltable_lookup+0x44d nd6_output_lle() at nd6_output_lle+0x349 nd6_output() at nd6_output+0x18 ip6_output() at ip6_output+0x122f tcp_output() at tcp_output+0x12c7 tcp_usr_shutdown() at tcp_usr_shutdown+0xf8 sys_shutdown() at sys_shutdown+0x75 amd64_syscall() at amd64_syscall+0x2fa Xfast_syscall() at Xfast_syscall+0xf7 --- syscall (134, FreeBSD ELF64, sys_shutdown), rip = 0x801fee65c, rsp = 0x7fffffffd728, rbp = 0x7fffffffd970 --- Uptime: 43m28s Dumping 545 out of 4079 MB:panic: Bad tailq NEXT(0xfffffe0002a74160->tqh_last) != NULL cpuid = 1 Uptime: 43m28s aac0: shutting down controller...
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