Public bug reported:
Binary package hint: kernel-image-2.6.20-9-generic-di
Ubuntu 6.10 installs fine and the laptop SATA chipset is handled correctly by
kernel 2.6.17 through ahci driver.
The problem arises with 7.04 Herd5.
The disc is not found in the installation procedure.
A workaround is:
modprobe -r ata_piix
modprobe -r ahci
modprobe ahci
At this point the disc is found and the installation process can go on,
BUT when the system reboots no disc is found by the installed kernel, so the
system is unusable.
I suspect that is a Toshiba BIOS bug: there is no switch to choose the chipset
ahci compatibility mode. Actually the chipset works in ahci mode but the kernel
(at least the 2.6.20 kernel shipped with ubuntu) tries to handle the chipset
with ata_piix driver and that fails.
** Affects: linux-source-2.6.20 (Ubuntu)
Importance: Undecided
Status: Unconfirmed
--
problem installing and booting Herd 5 on a Toshiba Tecra S3 laptop
https://launchpad.net/bugs/90050
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