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Date:      Tue, 12 Nov 2013 13:25:27 -0500
From:      Mike Tancsa <mike@sentex.net>
To:        FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>
Subject:   Re: RELENG_9 crash (inet6 issue)
Message-ID:  <52827297.4060600@sentex.net>
In-Reply-To: <5270530B.9030308@sentex.net>
References:  <52652E64.60704@sentex.net> <5270530B.9030308@sentex.net>

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Disabling inet6 has left the box nice and stable.

	---Mike

On 10/29/2013 8:30 PM, Mike Tancsa wrote:
> I upgraded to r256844, and still getting crashes under load. (about 500
> connections).  RELENG_8 sans ipv6 is nice and stable under similar and
> higher loads.  I will try without inet6 for now
>
> Unread portion of the kernel message buffer:
> current process         = 1158 (mpd5)
> trap number             = 12
> panic: page fault
> cpuid = 2
> KDB: stack backtrace:
> #0 0xffffffff8092e5a6 at kdb_backtrace+0x66
> #1 0xffffffff808f6e9e at panic+0x1ce
> #2 0xffffffff80ca2cc0 at trap_fatal+0x290
> #3 0xffffffff80ca2ff8 at trap_pfault+0x1e8
> #4 0xffffffff80ca35fe at trap+0x3be
> #5 0xffffffff80c8cc0f at calltrap+0x8
> #6 0xffffffff80a75470 at sctp_add_addr_to_vrf+0x60
> #7 0xffffffff80a3db63 at sctp_addr_change+0x113
> #8 0xffffffff809c51cd at rt_newaddrmsg_fib+0x4d
> #9 0xffffffff809c3ce7 at rtinit+0x1b7
> #10 0xffffffff80a222d8 at in_ifinit+0x3a8
> #11 0xffffffff80a239c2 at in_control+0x1072
> #12 0xffffffff809b1f83 at ifioctl+0x803
> #13 0xffffffff809404a6 at kern_ioctl+0x106
> #14 0xffffffff809406ed at sys_ioctl+0xfd
> #15 0xffffffff80ca25a0 at amd64_syscall+0x540
> #16 0xffffffff80c8cef7 at Xfast_syscall+0xf7
> Uptime: 8d9h15m51s
> Dumping 1022 out of 7895
> MB:..2%..11%..21%..32%..41%..51%..62%..71%..82%..91%
>
> #0  doadump (textdump=<value optimized out>) at pcpu.h:234
> 234     pcpu.h: No such file or directory.
>          in pcpu.h
> (kgdb) #0  doadump (textdump=<value optimized out>) at pcpu.h:234
> #1  0xffffffff808f6976 in kern_reboot (howto=260)
>      at /usr/src/sys/kern/kern_shutdown.c:449
> #2  0xffffffff808f6e77 in panic (fmt=0x1 <Address 0x1 out of bounds>)
>      at /usr/src/sys/kern/kern_shutdown.c:637
> #3  0xffffffff80ca2cc0 in trap_fatal (frame=0xc, eva=<value optimized out>)
>      at /usr/src/sys/amd64/amd64/trap.c:879
> #4  0xffffffff80ca2ff8 in trap_pfault (frame=0xffffff823bcaa320, usermode=0)
>      at /usr/src/sys/amd64/amd64/trap.c:795
> #5  0xffffffff80ca35fe in trap (frame=0xffffff823bcaa320)
>      at /usr/src/sys/amd64/amd64/trap.c:463
> #6  0xffffffff80c8cc0f in calltrap ()
>      at /usr/src/sys/amd64/amd64/exception.S:232
> #7  0xffffffff80a6a300 in sctp_find_ifn (ifn=0xfffffe0009406800,
>      ifn_index=359) at /usr/src/sys/netinet/sctp_pcb.c:205
> #8  0xffffffff80a75470 in sctp_add_addr_to_vrf (vrf_id=0,
>      ifn=0xfffffe0009406800, ifn_index=359, ifn_type=53,
>      if_name=0xfffffe0009406828 "ng347", ifa=0xfffffe0200cb1a00,
>      addr=0xfffffe0200cb1b38, ifa_flags=0, dynamic_add=1)
>      at /usr/src/sys/netinet/sctp_pcb.c:508
> #9  0xffffffff80a3db63 in sctp_addr_change (ifa=0xfffffe0200cb1a00,
>      cmd=<value optimized out>) at /usr/src/sys/netinet/sctp_bsd_addr.c:346
> #10 0xffffffff809c51cd in rt_newaddrmsg_fib (cmd=1, ifa=0xfffffe0200cb1a00,
>      error=0, rt=0xfffffe019c395000, fibnum=0)
>      at /usr/src/sys/net/rtsock.c:1299
> #11 0xffffffff809c3ce7 in rtinit (ifa=0xfffffe0200cb1a00, cmd=1, flags=5)
>      at /usr/src/sys/net/route.c:1626
> #12 0xffffffff80a222d8 in in_ifinit (ifp=0xfffffe0009406800,
>      ia=0xfffffe0200cb1a00, sin=<value optimized out>, scrub=0)
>      at /usr/src/sys/netinet/in.c:1068
> #13 0xffffffff80a239c2 in in_control (so=<value optimized out>, cmd=0,
>      data=0xfffffe01724ff340 "ng347", ifp=0xfffffe0009406800,
>      td=<value optimized out>) at /usr/src/sys/netinet/in.c:550
> #14 0xffffffff809b1f83 in ifioctl (so=0xfffffe01091c77f8, cmd=2151704858,
>      data=0xfffffe01724ff340 "ng347", td=0xfffffe00096b3490)
>      at /usr/src/sys/net/if.c:2569
> #15 0xffffffff809404a6 in kern_ioctl (td=0xfffffe00096b3490, fd=149,
>      com=2151704858, data=0xfffffe01724ff340 "ng347") at file.h:311
> #16 0xffffffff809406ed in sys_ioctl (td=0xfffffe00096b3490,
>      uap=0xffffff823bcaaa70) at /usr/src/sys/kern/sys_generic.c:692
> #17 0xffffffff80ca25a0 in amd64_syscall (td=0xfffffe00096b3490, traced=0)
>      at subr_syscall.c:135
> #18 0xffffffff80c8cef7 in Xfast_syscall ()
>      at /usr/src/sys/amd64/amd64/exception.S:391
> #19 0x000000080227bbac in ?? ()
> Previous frame inner to this frame (corrupt stack?)
> (kgdb)
>
>
> On 10/21/2013 9:38 AM, Mike Tancsa wrote:
>> This was with a kernel from Aug 6th. (r253988). The box functions as an
>> LNS. Similarly loaded RELENG_8 boxes with ipv6 disabled are quite
>> stable.  Not sure if thats where the issue is as this is RELENG9
>>
>> 	---Mike
>>
>>
>>
>>
>>
>> _______________________________________________
>> freebsd-stable@freebsd.org mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-stable
>> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
>
>


-- 
-------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike@sentex.net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada   http://www.tancsa.com/



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