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Date:      Tue, 16 Jun 2009 09:33:55 +0200
From:      Erwin Lansing <erwin@FreeBSD.org>
To:        Kip Macy <kmacy@freebsd.org>
Cc:        Doug Rabson <dfr@freebsd.org>, pav@freebsd.org, current@freebsd.org
Subject:   Re: pointyhat panic
Message-ID:  <20090616073353.GZ33280@droso.net>
In-Reply-To: <3c1674c90906151408n6febec56m140b089b694f6e13@mail.gmail.com>
References:  <1242075474.72992.118.camel@hood.oook.cz> <4A36B6D8.8000701@FreeBSD.org> <3c1674c90906151408n6febec56m140b089b694f6e13@mail.gmail.com>

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On Mon, Jun 15, 2009 at 02:08:17PM -0700, Kip Macy wrote:
> This is from the RPC re-work. I had thought that this was fixed. You
> shouldn't see this on the latest -CURRENT, but Doug will have more
> details.

Any datepoint when these fixes went in?  I upgraded pointyhat last month
exactly to get the latest fixes in, but could be there were more since
then.

Thanks,
-erwin

>=20
> Cheers,
> Kip
>=20
>=20
> On Mon, Jun 15, 2009 at 2:02 PM, Kris Kennaway<kris@freebsd.org> wrote:
> > Pav Lucistnik wrote:
> >>
> >> panic: mtx_lock() of destroyed mutex @ /usr/src/sys/rpc/clnt_vc.c:953
> >> cpuid =3D 2
> >> KDB: enter: panic
> >> [thread pid 0 tid 100029 ]
> >> Stopped at =A0 =A0 =A0kdb_enter+0x3d: movq =A0 =A0$0,0x3f5fb8(%rip)
> >> db> bt
> >> Tracing pid 0 tid 100029 td 0xffffff00018e1000
> >> kdb_enter() at kdb_enter+0x3d
> >> panic() at panic+0x17b
> >> _mtx_lock_flags() at _mtx_lock_flags+0xc5
> >> clnt_vc_soupcall() at clnt_vc_soupcall+0x273
> >> sowakeup() at sowakeup+0xf8
> >> tcp_do_segment() at tcp_do_segment+0x23c9
> >> tcp_input() at tcp_input+0x9ec
> >> ip_input() at ip_input+0xbc
> >> ether_demux() at ether_demux+0x1ed
> >> ether_input() at ether_input+0x171
> >> em_rxeof() at em_rxeof+0x201
> >> em_handle_rxtx() at em_handle_rxtx+0x4b
> >> taskqueue_run() at taskqueue_run+0x96
> >> taskqueue_thread_loop() at taskqueue_thread_loop+0x3f
> >> fork_exit() at fork_exit+0x12a
> >> fork_trampoline() at fork_trampoline+0xe
> >> --- trap 0, rip =3D 0, rsp =3D 0xffffffff240a6d40, rbp =3D 0 ---
> >>
> >> The box is in kdb on serial console for now. May 9 -CURRENT, I think.
> >>
> >
> > This happened again. =A0The trigger was this (^C of a find on a busy ne=
tapp
> > volume with a lot of other concurrent nfs traffic to the same mountpoin=
t):
> >
> > pointyhat# find . -name \*.bz2 -mmin -10
> > ^Cnfs server dumpster:/vol/vol4/pointyhat: not responding
> > nfs server dumpster:/vol/vol4/pointyhat: not responding
> > nfs server dumpster:/vol/vol4/pointyhat: not responding
> > nfs server dumpster:/vol/vol4/pointyhat: not responding
> > nfs server dumpster:/vol/vol4/pointyhat: not responding
> > nfs server dumpster:/vol/vol4/pointyhat: not responding
> > nfs server dumpster:/vol/vol4/pointyhat: not responding
> > nfs server dumpster:/vol/vol4/pointyhat: not responding
> > nfs server dumpster:/vol/vol4/pointyhat: not responding
> > nfs server dumpster:/vol/vol4/pointyhat: not responding
> > nfs server dumpster:/vol/vol4/pointyhat: not responding
> > nfs server dumpster:/vol/vol4/pointyhat: not responding
> > load: 4.54 =A0cmd: find 93357 [rpccon] 11.19u 111.62s 0% 4848k
> >
> > About 5-10 minutes later the machine panicked. =A0I'll try updating to =
a newer
> > -CURRENT.
> >
> > Kris
> >
>=20
>=20
>=20
> --=20
> When bad men combine, the good must associate; else they will fall one
> by one, an unpitied sacrifice in a contemptible struggle.
>=20
>     Edmund Burke
> _______________________________________________
> freebsd-current@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
--=20
Erwin Lansing                                   http://droso.org
Prediction is very difficult
especially about the future                    erwin@FreeBSD.org

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