>I am also having trouble (with 1.3.85) with my CD-ROM on the secondary
>interface not being detected properly; I get 'hdc: IRQ probe failed (0)'.
>I have a CMD640 on the PCI bus. The problem seems to be down to the new
>version of cmd640.c (0.10, don't know when it was introduced) which
>doesn't reset the secondary port. I'm not sure why this change was made.
>If I boot into DOS, let it initialise the CD-ROM, and then soft-reboot
>into Linux, it works.
To do anything about this, I need to see the full boot-up trace
from the kernel.
-ml