Date: Sat, 25 Dec 2004 16:31:05 -0800 From: Kris Kennaway <kris@obsecurity.org> To: Greg 'groggy' Lehey <grog@FreeBSD.org> Cc: Kris Kennaway <kris@obsecurity.org> Subject: Re: deadc0de panic in unmount() Message-ID: <20041226003105.GB81940@xor.obsecurity.org> In-Reply-To: <20041226002721.GB19771@wantadilla.lemis.com> References: <20041225234236.GA65841@xor.obsecurity.org> <20041226001550.GA19771@wantadilla.lemis.com> <20041226002234.GA81810@xor.obsecurity.org> <20041226002721.GB19771@wantadilla.lemis.com>
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--NDin8bjvE/0mNLFQ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Dec 26, 2004 at 10:57:21AM +1030, Greg 'groggy' Lehey wrote: > On Saturday, 25 December 2004 at 16:22:34 -0800, Kris Kennaway wrote: > > On Sun, Dec 26, 2004 at 10:45:50AM +1030, Greg 'groggy' Lehey wrote: > >> On Saturday, 25 December 2004 at 15:42:36 -0800, Kris Kennaway wrote: > >>> -current from a few days ago. It was probably unmounting a nullfs, > >>> devfs or linprocfs. > >>> > >>> panic(c06f100c,63676b70,c06efede,e4,c06f4bb5) at panic+0xac > >>> _mtx_lock_spin(deadc0de,0,c06efede,e4,c06f9e60) at _mtx_lock_spin > >>> lockmgr(c59df420,10007,c077c480,ca6e1000,379) at lockmgr+0x132 > >>> dounmount(c59df400,8080000,ca6e1000,379,734ff58) at dounmount+0xa5 > >>> unmount(ca6e1000,f13a6d14,8,e,2) at unmount+0x1f4 > >>> syscall(2f,2f,2f,82ff704,8573911) at syscall+0x13b > >>> Xint0x80_syscall() at Xint0x80_syscall+0x1f > >>> --- syscall (22, FreeBSD ELF32, unmount), eip =3D 0x82a21df, esp =3D = 0xbfbfe0ac, ebp =3D 0xbfbfe168 --- > >> > >> Do you have a dump? > > > > No, dumping is broken for me on this and some other machines (it > > starts with 'Dumping 2047 MB' but immediately returns). >=20 > Does this happen if you do 'call doadump' as well? Yeah, that's how I always try and dump since I learned that relying on the kernel to try and dump itself was .. not reliable. Kris --NDin8bjvE/0mNLFQ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBzgZJWry0BWjoQKURAokoAJkBmXe5PF456/M31RtTCpDsFpA35wCgx10f 78rLEWTuK86Q8Mh2F92jlzk= =NjwG -----END PGP SIGNATURE----- --NDin8bjvE/0mNLFQ--
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