Re: pointyhat panic

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

> 
> Cheers,
> Kip
> 
> 
> On Mon, Jun 15, 2009 at 2:02 PM, Kris Kennaway<kris_at_freebsd.org> wrote:
> > Pav Lucistnik wrote:
> >>
> >> panic: mtx_lock() of destroyed mutex _at_ /usr/src/sys/rpc/clnt_vc.c:953
> >> cpuid = 2
> >> KDB: enter: panic
> >> [thread pid 0 tid 100029 ]
> >> Stopped at      kdb_enter+0x3d: movq    $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 = 0, rsp = 0xffffffff240a6d40, rbp = 0 ---
> >>
> >> The box is in kdb on serial console for now. May 9 -CURRENT, I think.
> >>
> >
> > This happened again.  The trigger was this (^C of a find on a busy netapp
> > volume with a lot of other concurrent nfs traffic to the same mountpoint):
> >
> > 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  cmd: find 93357 [rpccon] 11.19u 111.62s 0% 4848k
> >
> > About 5-10 minutes later the machine panicked.  I'll try updating to a newer
> > -CURRENT.
> >
> > Kris
> >
> 
> 
> 
> -- 
> When bad men combine, the good must associate; else they will fall one
> by one, an unpitied sacrifice in a contemptible struggle.
> 
>     Edmund Burke
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-- 
Erwin Lansing                                   http://droso.org
Prediction is very difficult
especially about the future                    erwin_at_FreeBSD.org