From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.cbit.net.au (betty.cbit.net.au [202.55.154.10]) by ozlabs.org (Postfix) with ESMTP id 5C2EFDDD08 for ; Tue, 27 Feb 2007 09:52:34 +1100 (EST) Date: Tue, 27 Feb 2007 09:27:24 +1100 From: Paul TBBle Hampson To: john stultz Subject: Re: Make sure we populate the initroot filesystem late enough Message-ID: <20070226222724.GA13182@keitarou> References: <200612112059.kBBKx1j7022473@hera.kernel.org> <1172448057.3971.9.camel@shinybook.infradead.org> <1172518068.15970.6.camel@localhost> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="3V7upXqbjpZ4EhLz" In-Reply-To: <1172518068.15970.6.camel@localhost> Cc: torvalds@linux-foundation.org, David Woodhouse , Linux Kernel Mailing List , linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --3V7upXqbjpZ4EhLz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Feb 26, 2007 at 11:27:47AM -0800, john stultz wrote: > On Sun, 2007-02-25 at 19:00 -0500, David Woodhouse wrote: >> On Mon, 2006-12-11 at 20:59 +0000, Linux Kernel Mailing List wrote: > >>=20 > >> Make sure we populate the initroot filesystem late enough >> This seems to be what's triggering the apparent memory corruption we've >> been seeing recently -- in the case of the Fedora kernel it manifests >> itself as a BUG() in cache_alloc_refill() when the pmac ide driver >> initialises. >>=20 >> Another report was at http://lkml.org/lkml/2006/12/17/4 >>=20 >> We've been seeing it on a Mac Mini too, and I managed to reproduce it on >> my shinybook this evening by booting with 'mem=3D512M'. > Just for reference (as its not in the thread linked above), this issue > disappeared for me after some config changes (I somehow changed my > selection when I backtracked and then moved forward w/ git bisect). > I've not been able to reproduce it since, but I know others (BCC'ed on > this note) have seen it and might prod them to come forth with details > (and broken .config files) In my case, disabling CPU_FREQ_PMAC made the failure go away. After reverting this patch, CPU_FREQ_PMAC is once again operating successfully, so far. --=20 ----------------------------------------------------------- Paul "TBBle" Hampson, B.Sc, LPI, MCSE On-hiatus Asian Studies student, ANU The Boss, Bubblesworth Pty Ltd (ABN: 51 095 284 361) Paul.Hampson@Pobox.Com Of course Pacman didn't influence us as kids. If it did, we'd be running around in darkened rooms, popping pills and listening to repetitive music. -- Kristian Wilson, Nintendo, Inc, 1989 License: http://creativecommons.org/licenses/by/2.1/au/ ----------------------------------------------------------- --3V7upXqbjpZ4EhLz Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFF417MexDuohKLFuARArwmAJ935Wo7mlLd4DOaWcwZAsfefxIqBACfaqq+ QsDgU/TGLK72b30RCT05Ozk= =2x33 -----END PGP SIGNATURE----- --3V7upXqbjpZ4EhLz--