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Date:      Mon, 28 May 2018 10:01:02 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 228501] [VIMAGE JAIL] panic: negative refcount 0xfffff8002717643c   (when stopping jail)
Message-ID:  <bug-228501-7501-46ssd7bBsN@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-228501-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-228501-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D228501

--- Comment #10 from Marie Helene Kvello-Aune <marieheleneka@gmail.com> ---
Does this shed some light on the issue?

----
#0  doadump (textdump=3D1) at pcpu.h:231
231     pcpu.h: No such file or directory.
        in pcpu.h
(kgdb) #0  doadump (textdump=3D1) at pcpu.h:231
#1  0xffffffff80b747d2 in kern_reboot (howto=3D260)
    at /usr/src/sys/kern/kern_shutdown.c:446
#2  0xffffffff80b74db3 in vpanic (fmt=3D<value optimized out>,
    ap=3D<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:863
#3  0xffffffff80b74b20 in kassert_panic (fmt=3D<value optimized out>)
    at /usr/src/sys/kern/kern_shutdown.c:749

#4  0xffffffff80c74505 in ifa_free (ifa=3D0xfffff80022f8c400) at refcount.h=
:65
#5  0xffffffff80cf9420 in in_difaddr_ioctl (cmd=3D2149607705,
    data=3D<value optimized out>, ifp=3D0xfffff80034428000,
    td=3D<value optimized out>) at /usr/src/sys/netinet/in.c:648

#6  0xffffffff80cf9c1f in in_ifscrub_all () at /usr/src/sys/netinet/in.c:250
#7  0xffffffff80d0bf4d in ip_destroy (unused=3D<value optimized out>)
    at /usr/src/sys/netinet/ip_input.c:398
#8  0xffffffff80ca74ec in vnet_destroy (vnet=3D0xfffff8000408ed40)
    at /usr/src/sys/net/vnet.c:597
#9  0xffffffff80b3b6ad in prison_deref (pr=3D0xffffffff81b0fae0, flags=3D20)
    at /usr/src/sys/kern/kern_jail.c:2630
#10 0xffffffff80bd027c in taskqueue_run_locked (queue=3D0xfffff8000461c000)
    at /usr/src/sys/kern/subr_taskqueue.c:465
#11 0xffffffff80bd1048 in taskqueue_thread_loop (arg=3D<value optimized out=
>)
    at /usr/src/sys/kern/subr_taskqueue.c:757
#12 0xffffffff80b33ea4 in fork_exit (
    callout=3D0xffffffff80bd0fc0 <taskqueue_thread_loop>,
    arg=3D0xffffffff82024dd0, frame=3D0xfffffe0077b969c0)
    at /usr/src/sys/kern/kern_fork.c:1039
#13 0xffffffff8101f99e in fork_trampoline ()
    at /usr/src/sys/amd64/amd64/exception.S:971
#14 0x0000000000000000 in ?? ()
Current language:  auto; currently minimal
(kgdb)

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