kern/123758: [panic] panic while restarting net/freenet6

[Edwin Groothuis]

>Number:         123758
>Category:       kern
>Synopsis:       [panic] panic while restarting net/freenet6
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat May 17 12:10:00 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     Edwin Groothuis
>Release:        FreeBSD 6.3-RELEASE-p2 i386
>Organization:
-
>Environment:
FreeBSD qemuc-1.mavetju.org 8.0-CURRENT FreeBSD 8.0-CURRENT #0: Thu May 15 11:19:53 EST 2008     edwin at k7.mavetju:/usr/obj/usr/home/edwin/cvs/qemu/HEAD/sys/GENERIC  i386

Last cvsup is from 2008-05-16.

>Description:

I have installed net/freenet6 and am using the anonymous tunnel.

I setup a tunnel (/usr/local/etc/rc.d/freenet6 start), ssh into the
machine and I ping www.freebsd.org and restart the tunnel
(/usr/local/etc/rc.d/freenet6 restart):

Jan  1 00:01:09 qemuc-1 kernel: _mtx_lock_flags(c1d75780,0,c0b2942e,11b,4,...) at _mtx_lock_flags+0xbc
Jan  1 00:01:09 qemuc-1 kernel: rtalloc1_fib(c871b7f0,0,0,0,c871b81c,...) at rtalloc1_fib+0x8d
Jan  1 00:01:09 qemuc-1 kernel: rtalloc1(c871b7f0,0,0,0,c1ff689c,...) at rtalloc1+0x27
Jan  1 00:01:09 qemuc-1 kernel: nd6_lookup(c1ff68a4,0,c1d82c00,c1e3783c,c1e3783c,...) at nd6_lookup+0x55
Jan  1 00:01:09 qemuc-1 kernel: nd6_is_addr_neighbor(c1ff689c,c1d82c00,c0b362e5,78c,c871b89c,...) at nd6_is_addr_neighbor+0x3b
Jan  1 00:01:09 qemuc-1 kernel: nd6_output(c1d82c00,c1d82c00,c1e09300,c1ff689c,c1e3783c,...) at nd6_output+0x10f
Jan  1 00:01:09 qemuc-1 kernel: ip6_output(c1e09300,0,c871b9f0,0,0,...) at ip6_output+0x1061
Jan  1 00:01:09 qemuc-1 kernel: tcp_output(c1e35974,c1e07200,30f,1,c1e337a4,...) at tcp_output+0x1364
Jan  1 00:01:09 qemuc-1 kernel: tcp_usr_send(c1e32188,0,c1e07200,0,0,...) at tcp_usr_send+0x248
Jan  1 00:01:09 qemuc-1 kernel: sosend_generic(c1e32188,0,c871bc60,0,0,...) at sosend_generic+0x50d
Jan  1 00:01:09 qemuc-1 kernel: sosend(c1e32188,0,c871bc60,0,0,...) at sosend+0x54
Jan  1 00:01:09 qemuc-1 kernel: soo_write(c1e46000,c871bc60,c1fe4600,0,c1e52880,...) at soo_write+0x4a
Jan  1 00:01:09 qemuc-1 kernel: dofilewrite(c871bc60,ffffffff,ffffffff,0,c1e46000,...) at dofilewrite+0x95
Jan  1 00:01:09 qemuc-1 kernel: kern_writev(c1e52880,3,c871bc60,8133030,0,...) at kern_writev+0x58
Jan  1 00:01:09 qemuc-1 kernel: write(c1e52880,c871bcfc,c,c0b2055e,c0bd6820,...) at write+0x4f
Jan  1 00:01:09 qemuc-1 kernel: syscall(c871bd38) at syscall+0x2a3
Jan  1 00:01:09 qemuc-1 kernel: Xint0x80_syscall() at Xint0x80_syscall+0x20
Jan  1 00:01:09 qemuc-1 kernel: --- syscall (4, FreeBSD ELF32, write), eip = 0x283948b3, esp = 0xbfbfe2bc, ebp = 0xbfbfe2d8 ---
Jan  1 00:01:09 qemuc-1 kernel: panic: _mtx_lock_sleep: recursed on non-recursive mutex rtentry @ /usr/home/edwin/cvs/qemu/HEAD/sys/net/route.c:332
Jan  1 00:01:09 qemuc-1 kernel: 
Jan  1 00:01:09 qemuc-1 kernel: cpuid = 0
Jan  1 00:01:09 qemuc-1 kernel: KDB: enter: panic
Jan  1 00:01:09 qemuc-1 kernel: Uptime: 3h59m25s



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