Re: [gentoo-dev] udev <-> mdev

[William Hubbs <williamh@gentoo.org>]

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Hi all,

On Thu, Jul 12, 2012 at 04:07:41PM -0400, Walter Dnes wrote:
> On Thu, Jul 12, 2012 at 09:37:33AM -0400, Ian Stakenvicius wrote
> 
>   First a disclaimer... I am not a C programmer, let alone a developer.
> I feel like I've been dragged into this kicking and screaming in order
> to save the Gentoo that I remember from a few years ago.
> 
> > Out of curiosity, since mdev is (i assume) more than complete enough
> > to handle mounting, would it be possible to initially start with mdev
> > and then hand over control to udev (if there was a need for udev, that
> > is) , to avoid initramfs with separate /usr ?
> 
>   I think that's exactly how initramfs itself works.  You might be able
> to use an initrd instead of initramfs.  See Zac Medico's posting at...
> http://archives.gentoo.org/gentoo-dev/msg_20749880f5bc5feda141488498729fe8.xml
> That was the clue that got me started on replacing udev with mdev.

initrd is deprecated and has been for a long time; you should use
initramfs.

>   Once you have psuedo-filesystems and partitions mounted, you need to
> shut down mdev and start up udev.  And make sure that
> /proc/sys/kernel/hotplug points to udev.

If you are using udev, /proc/sys/kernel/hotplug should be empty; do not
point this to udev.

Thanks,

William


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