From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt To: Cc: , Subject: Re: Ti Powerbooks and YDL 2.1 - Problems Date: Tue, 6 Nov 2001 11:06:56 +0100 Message-Id: <20011106100656.20008@smtp.adsl.oleane.com> In-Reply-To: <3BE74DCD.3070407@drea.dnd.ca> References: <3BE74DCD.3070407@drea.dnd.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: >Well I've just spent an interesting two days documenting a problem with >the Ti Powerbooks and the 2.4 series kernels. I have access to two >500Mhz Ti's with the Matshita DVD-ROM SR-8187 drives. When I tried to >follow Dan Burcaw's experimental instructions on doing a yup update of >YDL2.0 to 2.1 I ran into the problem that a mount of any CD returned the >error message "wrong media type" (I hadn't used the CD at all since >moving to the 2.4 series kernels). After trying all the various ways of >mounting an ISO CD I decided to try the 2.2 series kernels (which of >course are on the 2.0 CD - catch 22). After downloading the old kernel >RPM's and installing them I was able to mount the CD with no problem and >actually completed the yup update to 2.1. However with the new 2.4.10 >kernel in place I'm back to the error message if I try and mount the CD >I used to do the update. I've tried the latest kernels from Benh, and >the bk tree and they all report the same error. It looks like the drive >is reporting that it doesn't have a DVD inserted, and fails to allow for >the fact that CDROMS are valid. As a side note I've also observed this >error message on my G4 733 Tower with the superdrive. This problem have been introduced by a change in the generic kernel code that no longer does the necessary block size translation to mount the 512 bytes block HFS filesystem from a 2048 bytes block CDROM device. You have to mount it via the loopback device. Ben. ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/