Subject: Re: Ti Powerbooks and YDL 2.1 - Problems
From: Benjamin Herrenschmidt (benh@kernel.crashing.org)
Date: Tue Nov 06 2001 - 03:06:56 MST
>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.
This archive was generated by hypermail 2a24 : Tue Nov 06 2001 - 03:19:02 MST