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Date:      Sun, 5 Jan 2003 21:18:21 -0600
From:      ryan beasley <ryanb@goddamnbastard.org>
To:        current@freebsd.org
Subject:   Re: panic: blockable sleep lock (sleep mutex) Giant @ /usr/src/sys/vm/vm_fault.c:206
Message-ID:  <20030106031821.GA92908@goddamnbastard.org>
In-Reply-To: <20030106025401.GC311@goddamnbastard.org>
References:  <20030104163145.GT311@goddamnbastard.org> <20030106025401.GC311@goddamnbastard.org>

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On Sun, Jan 05, 2003 at 08:54:01PM -0600, ryan beasley wrote:
>     I'm including a GDB capture including traceback and some locking
>     information.  Anyone have any ideas?  Is there any other data I should
>     grab and submit?

    I'm really sorry for following up to myself again, but the following
    might be useful:

(gdb)
#8  0xc01bce28 in enroll (description=3D0xc02e3718 "vnode interlock",
    lock_class=3D0xc0300fc0)
    at /home/ryanb/FREDRIK_DP_INV/sys/kern/subr_witness.c:985
985                     if (w->w_name =3D=3D description || (w->w_refcount =
> 0 &&
Current language:  auto; currently c
(gdb) p *w
$16 =3D {w_name =3D 0xc16fd8fe <Address 0xc16fd8fe out of bounds>,
  w_class =3D 0xc0300fc0, w_list =3D {stqe_next =3D 0xc032fa50}, w_typelist=
 =3D {
    stqe_next =3D 0xc032fa50}, w_children =3D 0x0, w_file =3D 0x0, w_line =
=3D 0,
  w_level =3D 0, w_refcount =3D 2, w_Giant_squawked =3D 0 '\0',
  w_other_squawked =3D 0 '\0', w_same_squawked =3D 0 '\0'}

    This is the instruction where the page fault occurred.  As to how w_name
    was clobbered, I have no idea.

--=20
ryan beasley				<ryanb@goddamnbastard.org>
GPG ID: 0x16EFBD48			http://www.goddamnbastard.org	=09

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