[arch-dev-public] [signoff] mkinitcpio 0.5.25, cryptsetup 1.0.6-3

Eric Bélanger snowmaniscool at gmail.com
Mon Jun 8 18:22:59 EDT 2009

On Mon, Jun 8, 2009 at 5:57 PM, Thomas Bächler <thomas at archlinux.org> wrote:
> Eric Bélanger schrieb:
>> I'm experience a small problem (it might be due to the changes you made.).
>> On my i686 system with lvm, after the lvm group has been activated, I get
>> a:
>> "Waiting 10 seconds for device fe00" message. After the timeout, it says
>> that
>> "root device fe00 doesn't exits attempting to create it
>> /bin/mknod /dev/root b 254 0"
>> The booting continues successfully and everything seems to be working
>> fine except I've noticed that I have a /dev/root symlink that points
>> to a non-existing fe00 device. I don't know if this is expected
>> because of the new poll_device function or if there's another problem
>> elsewhere. BTW, this system use lilo in case it's related.
> Ah, I didn't count on lilo ... lilo parses the block device id when you run
> "lilo" and passes that as the root= argument (see /proc/cmdline). That used
> to be necessary ages ago and apparently, it is still supported by linux (and
> by klibc's parseblock tool).
> However, it leads to problems with things like LVM, encryption and so on:
> The major/minor numbers at "lilo" time are not guaranteed to be the same on
> the next boot. The problem was already there before, you just didn't notice
> (as was the /dev/root symlink problem). Now we just wait until the device
> exists, which we cannot really check, as it is a real device. I have two
> solutions for you:
> 1) (which I gave to people for a long time now) in lilo.conf:
> Remove
> root=/dev/....
> and add
> append="root=/dev/..." (or addappend=, see the lilo manpage)
> That will circumvent lilo's deprecated build-time root-device id parsing and
> simply pass the device to the kernel.
> 2) add rootdelay=0 as a parameter to your kernel commandline, that will stop
> us from waiting so long.
> Note that we will move away from klibc to uclibc soon, and also drop the
> klibc parseblock and kinit tools - and I seriously doubt busybox's mount
> command parses "fe00" as a major/minor number pair. We might add such
> parsing for backwards compatibility, but personally, I think it's a waste of
> time.

Thanks for that nice explanation. I did solution #1 and everything is fine.
Signoff mkinitcpio for i686.


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