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Date: Wed, 2 Aug 2006 10:43:05 -0500
From: ejc <eric.j.christeson@gmail.com>
To: "John Baldwin" <jhb@freebsd.org>
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Cc: freebsd-stable@freebsd.org
Subject: Re: ncplogin panic
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On 8/2/06, John Baldwin <jhb@freebsd.org> wrote:
> On Wednesday 02 August 2006 09:33, ejc wrote:
> > On 8/2/06, ejc <eric.j.christeson@gmail.com> wrote:
> > > Backtrace with module symbols loaded.  It looks almost exactly the
> > > same as Maik's .
> >
> > I messed up that last one and loaded the local module symbols with
> > 'kldsyms'.  Here's one with 'getsyms'.
>
> Can you jump to the 'selrecord' frame and do 'p selector->td_selq' and
> 'p *sip'?

(kgdb) frame 7
#7  0xc0507520 in selrecord (selector=0xc174d000, sip=0xc17755e0) at
../../../kern/sys_generic.c:1105
1105                    TAILQ_INSERT_TAIL(&selector->td_selq, sip, si_thrlist);
(kgdb) p selector->td_selq
$1 = {
  tqh_first = 0x0,
  tqh_last = 0x0
}
(kgdb) p *sip
$2 = {
  si_thrlist = {
    tqe_next = 0x0,
    tqe_prev = 0x0
  },
  si_thread = 0xc174d000,
  si_note = {
    kl_list = {
      slh_first = 0x0
    },
    kl_lock = 0xc04c6b1c <knlist_mtx_lock>,
    kl_unlock = 0xc04c6b54 <knlist_mtx_unlock>,
    kl_locked = 0xc04c6b90 <knlist_mtx_locked>,
    kl_lockarg = 0xc1775604
  },
  si_flags = 0x0
}