Bug#378344: [powerpc, prep] On PReP boxes, root should be autodetected, since there is no bootloader.

[Sven Luther]

On Sat, Dec 02, 2006 at 03:34:25PM +0100, maximilian attems wrote:
> reassign 378344 lvm2
> rettitle 378344 provide an howto mv root on lvm2 volume
> severity 378344 wishlist
> stop
> 
> On Sat, 02 Dec 2006, Sven Luther wrote:
> 
> > severity 378344 grave
> > # Upping severity, since this bug makes a PReP d-i install not being able to
> > # boot in the resulting system. Furthermore, this is a general regression from
> > # sarge and initrd-tools.
> > Thanks
> 
> 378344 is void on the initramfs-tools side.
> it's about having an documentation for moving root from
> an disc device to an lvm2 volume.
> that is definetly not initramfs-tools business.

Huh. did i make a mistake ? Damn. What was the bug number of the root bug ? 

> > Max, ...
> > 
> > When playing with initramfs-tools Motorola Powerstack PReP box, i noticed that
> > the machine didn't find the root device on reboot. I had chosen a LVM setup,
> > not sure if this influence the issue.
> > 
> > I had to give the root=/dev/powerstack/root argument by hand on the kernel
> > command line, which is less than optimal.
> 
> great you try to hi-jack a random non related bug.
> aboves is pretty wrong and a dup of #378332
> you need to pass a real lvm2 device instead of the stupid symlink
> and yes d-i gets that right. you need to pass root=/dev/mapper/vg-lv

That is not the problem here, i better file a separate bug report.

Theproblem is that on PReP setups, you cannot pass that root= command to the
kernel in another way than typingit in at the console by hand on every reboot.

> > I booted into the system, and added ROOT=/dev/powerstack/root, but it would be
> > nice if this was autodetected, as it is done in both yaird and initrd-tools.
> > 
> > Furthermore, it would be nice if the ROOT= option would be documented, and an
> > empty entry would be present in the default config file, like the other
> > options. Does ROOT=probe also work in initramfs-tools, like it did for
> > initrd-tools ? 
> 
> no there is no ROOT=probe.
> ROOT is documented in mkinitramfs.8

not last time iu looked, may have changed though.

Friendly,

Sven Luther
> 
> -- 
> maks
> 
> 
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