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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