On 22/01/12 12:51, Michael Lange wrote:
Hi,
Thus spoketh Scott Ferguson<prettyfly.producti...@gmail.com>
unto us on Sun, 22 Jan 2012 18:03:25 +1100:
(...)
Your laptop [*1] doesn't appear to have BIOS support for booting from
the CF card.
Having had the time to do a little Googling (about 10 minutes) there are
three possible routes (maybe more).
1. Boot from GRUB installed on hdd, using kernel and initrd copied from
CF card install. Known to work[*2]
That is what I am trying, however when the kernel tries to mount the root
file system, it is unable to find the CF card. And this is the part which
I cannot believe that it can't be fixed.
I still believe that it might have to do with the CF card being marked as
"removable" and the way udev handles these devices, however I don't have a
"fixed" card at hand to verify this. In fact I am not even sure that it is
"removable"; thunar shows it as removable device, however udevadm info
says ATTR{removable}=="0" . Hmmm...
I'm sure you should be able to do this. I have done something similar in
the past.
3. Boot from GRUB installed on the hdd, using plopkexec[*4] to boot the
kernel and initrd on the CF card. 'Might'[*5] be possible.
The CF slot is actualy pcmcia, not USB.
The situation I had was that I had an external SATA disk attached via a
PCMCIA/Cardbus card which held the root filesystem and was not
recognised by the BIOS. I put grub and the /boot partition on a CF card
attached to the internal PATA/IDE connector. The system booted using
grub on the CF card, then loaded the initrd which enabled the
PCMCIA/Cardbus card, found the external disk and then mounted it as the
root filesystem.
Does your initrd contain the right modules to pick up your PCMCIA bus
and the CF card? (sorry if you've already mentioned those details, I may
have missed them).
I think I may be able to test a setup similar to yours, as I have a
CF/PCMCIA adaptor and an old laptop and internal harddisk. If I can find
a spare CF card with enough capacity, and time to try it, I'll have a go.
--
Dom
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