Re: 2.6.16-rc1-mm4 i386 atomic operations broken on SMP (in modulesat least)

From: J.A. Magallon
Date: Wed Feb 01 2006 - 20:29:14 EST


--Sig_iMHob5u_3.Jd395ISkim74q
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: quoted-printable

On Thu, 2 Feb 2006 12:19:22 +1100, Neil Brown <neilb@xxxxxxx> wrote:

>=20
> I've been testing md/raid in 2.6.16-rc1-mm4 on a dual Xeon with most
> of the md personalities compiled as modules, and weird stuff if
> happening.
>=20
> In particular I'm getting lots of=20
>=20
> BUG: atomic counter underflow at:
>=20
> reports in raid10 and raid5, which are modules.
>=20
>

I also run this kernel (plus a couple patches) on a SATA raid5 setup, and
had no problems. People throws and gets files via SMB/AFP, mainly.

My box is dual PIII@933.

--
J.A. Magallon <jamagallon()able!es> \ Software is like se=
x:
werewolf!able!es \ It's better when it's fr=
ee
Mandriva Linux release 2006.1 (Cooker) for i586
Linux 2.6.15-jam7 (gcc 4.0.2 (4.0.2-1mdk for Mandriva Linux release 2006.1))

--Sig_iMHob5u_3.Jd395ISkim74q
Content-Type: application/pgp-signature; name=signature.asc
Content-Disposition: attachment; filename=signature.asc

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.2 (GNU/Linux)

iD8DBQFD4WH2RlIHNEGnKMMRAniqAKCLOEP1Oq8IAfGqT5wGEkfOuv9NEwCfdHV+
bP49C9UxeYKLA+2YP7Gb33Q=
=YWKf
-----END PGP SIGNATURE-----

--Sig_iMHob5u_3.Jd395ISkim74q--
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/