From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [203.10.76.45]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mx.ozlabs.org", Issuer "CA Cert Signing Authority" (verified OK)) by bilbo.ozlabs.org (Postfix) with ESMTPS id 24815B70C2 for ; Wed, 24 Jun 2009 15:53:49 +1000 (EST) Received: from bilbo.ozlabs.org (bilbo.ozlabs.org [203.10.76.25]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "bilbo.ozlabs.org", Issuer "CAcert Class 3 Root" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 0BB9FDDD0B for ; Wed, 24 Jun 2009 15:53:49 +1000 (EST) Subject: Re: sym scsi driver problem with 2.6.26 or newer debian kernel on p610 (fwd) From: Michael Ellerman To: Benjamin Herrenschmidt In-Reply-To: <1245799792.10356.42.camel@pasglop> References: <4A38B883.80507@ktk.bme.hu> <4A3F4A77.6070704@ktk.bme.hu> <1245719890.4017.26.camel@pasglop> <1245724218.4017.35.camel@pasglop> <1245794228.10356.31.camel@pasglop> <1245799792.10356.42.camel@pasglop> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-UrNTdUiMKim5jMLoK0SG" Date: Wed, 24 Jun 2009 15:53:46 +1000 Message-Id: <1245822826.9237.62.camel@concordia> Mime-Version: 1.0 Cc: Olof Johansson , linuxppc-dev@ozlabs.org, debian-powerpc@lists.debian.org, Guennadi Liakhovetski , blackluck@ktk.bme.hu Reply-To: michael@ellerman.id.au List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --=-UrNTdUiMKim5jMLoK0SG Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Wed, 2009-06-24 at 09:29 +1000, Benjamin Herrenschmidt wrote: > On Wed, 2009-06-24 at 07:57 +1000, Benjamin Herrenschmidt wrote: > > > I tried on a POWER3 box I have here "IBM,7044-170" and things work fi= ne > > > here with current upstream. (I suspect a much smaller machine). > > >=20 > > > I will really need an actual bisection here... In the meantime, I'll = see > > > if I can get my hand on one of these machines here. > >=20 > > Ok so I think we may have found it... looks like > > CONFIG_MPIC_BROKEN_REGREAD is what breaks it which is enabled by PA-Sem= i > > support in the .config. > >=20 > > Can you verify that disabling PA-Semi support removes that option from > > your .config and that once removed, it works again ? > >=20 > > We don't know yet -why- it breaks it, still investigating. >=20 > Do the following patch also fix it ? Doesn't fix my machine :/ cheers --=-UrNTdUiMKim5jMLoK0SG Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEABECAAYFAkpBv2oACgkQdSjSd0sB4dKlJwCgksWVwf3TosDh5Gszsrizk/BZ 9cMAoJFlq8jfuEmM53mWmGa221QhI/SG =abD5 -----END PGP SIGNATURE----- --=-UrNTdUiMKim5jMLoK0SG--