Re: BETA1 IPv6 crash

From: Tom Vijlbrief <tom.vijlbrief_at_xs4all.nl>
Date: Mon, 8 Aug 2011 20:06:54 +0200
2011/8/7 Sergey Kandaurov <pluknet_at_gmail.com>:
> On 7 August 2011 17:11, Tom Vijlbrief <tom.vijlbrief_at_xs4all.nl> wrote:
>> I installed BETA1 in a fresh ubuntu 11.04 KVM virtual machine with the
>> new installer.
>>
>> Major issue I noticed was the missing /home.
>>
>> It took me quite some time to get IPv6 working in the guest (a Linux
>> configuration issue), but now that it works
>> BETA1 panics in about 50% of the boot attempts:
>>
>> testbsd dumped core - see /var/crash/vmcore.0
>>
>> Sun Aug  7 08:25:28 CEST 2011
>>
>> FreeBSD testbsd 9.0-BETA1 FreeBSD 9.0-BETA1 #0: Thu Jul 28 16:34:16
>> UTC 2011     root_at_obrian.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC
>> i386
>>
>> panic: _mtx_lock_sleep: recursed on non-recursive mutex if_addr_mtx _at_
>> /usr/src/sys/netinet6/mld6.c:1676
>>
>> GNU gdb 6.1.1 [FreeBSD]
>> Copyright 2004 Free Software Foundation, Inc.
>> GDB is free software, covered by the GNU General Public License, and you are
>> welcome to change it and/or distribute copies of it under certain conditions.
>> Type "show copying" to see the conditions.
>> There is absolutely no warranty for GDB.  Type "show warranty" for details.
>> This GDB was configured as "i386-marcel-freebsd"...
> [..]
>> panic: _mtx_lock_sleep: recursed on non-recursive mutex if_addr_mtx _at_
>> /usr/src/sys/netinet6/mld6.c:1676
>>
>> cpuid = 0
>> KDB: enter: panic
>> Uptime: 28s
>> Physical memory: 491 MB
>> Dumping 45 MB: 30 14
>>
>> #0  doadump (textdump=1) at pcpu.h:244
>> 244     pcpu.h: No such file or directory.
>>        in pcpu.h
>> (kgdb) #0  doadump (textdump=1) at pcpu.h:244
>> #1  0xc0a04965 in kern_reboot (howto=260)
>>    at /usr/src/sys/kern/kern_shutdown.c:430
>> #2  0xc0a04291 in panic (fmt=Variable "fmt" is not available.
>> ) at /usr/src/sys/kern/kern_shutdown.c:595
>> #3  0xc09f4a4a in _mtx_lock_sleep (m=0xc35f3a28, tid=3278693824, opts=0,
>>    file=0xc0f1ab65 "/usr/src/sys/netinet6/mld6.c", line=1676)
>>    at /usr/src/sys/kern/kern_mutex.c:341
>> #4  0xc09f4c67 in _mtx_lock_flags (m=0xc35f3a28, opts=0,
>>    file=0xc0f1ab65 "/usr/src/sys/netinet6/mld6.c", line=1676)
>>    at /usr/src/sys/kern/kern_mutex.c:203
>> #5  0xc0bbf007 in mld_set_version (mli=0xc3589a00, version=Variable
>> "version" is not available.
>> )
>>    at /usr/src/sys/netinet6/mld6.c:1676
>> #6  0xc0bc0c00 in mld_input (m=0xc3951e00, off=48, icmp6len=24)
>>    at /usr/src/sys/netinet6/mld6.c:690
>> #7  0xc0ba5696 in icmp6_input (mp=0xc3313a54, offp=0xc3313a68, proto=58)
>>    at /usr/src/sys/netinet6/icmp6.c:654
>> #8  0xc0bba23a in ip6_input (m=0xc3951e00)
>>    at /usr/src/sys/netinet6/ip6_input.c:964
>> #9  0xc0ac9b1c in netisr_dispatch_src (proto=10, source=0, m=0xc3951e00)
>>    at /usr/src/sys/net/netisr.c:1013
>> #10 0xc0ac9da0 in netisr_dispatch (proto=10, m=0xc3951e00)
>>    at /usr/src/sys/net/netisr.c:1104
>> #11 0xc0abecf1 in ether_demux (ifp=0xc35f3800, m=0xc3951e00)
>>    at /usr/src/sys/net/if_ethersubr.c:936
>> #12 0xc0abf1b3 in ether_nh_input (m=0xc3951e00)
>>    at /usr/src/sys/net/if_ethersubr.c:755
>> #13 0xc0ac9b1c in netisr_dispatch_src (proto=9, source=0, m=0xc3951e00)
>>    at /usr/src/sys/net/netisr.c:1013
>> #14 0xc0ac9da0 in netisr_dispatch (proto=9, m=0xc3951e00)
>>    at /usr/src/sys/net/netisr.c:1104
>> #15 0xc0abe7f5 in ether_input (ifp=0xc35f3800, m=0xc3951e00)
>>    at /usr/src/sys/net/if_ethersubr.c:796
>> #16 0xc0672bc9 in lem_handle_rxtx (context=0xc3732000, pending=1)
>>    at /usr/src/sys/dev/e1000/if_lem.c:3554
>> #17 0xc0a468ab in taskqueue_run_locked (queue=0xc359ca80)
>>    at /usr/src/sys/kern/subr_taskqueue.c:306
>> #18 0xc0a47307 in taskqueue_thread_loop (arg=0xc37365ec)
>>    at /usr/src/sys/kern/subr_taskqueue.c:495
>> #19 0xc09d7af8 in fork_exit (callout=0xc0a472a0 <taskqueue_thread_loop>,
>>    arg=0xc37365ec, frame=0xc3313d28) at /usr/src/sys/kern/kern_fork.c:941
>> #20 0xc0d1d714 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:275
>> (kgdb)
>>
>
> This is the same as in PR kern/158426.
> Can you try the patch from PR followup and report us whether it helps?
> Full link to PR with patch:
> http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/158426
>
> --
> wbr,
> pluknet
>
>

I applied the patch and tried about 15 reboots and all went fine....
Received on Mon Aug 08 2011 - 16:06:55 UTC

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