Fedora and udev

[Florian La Roche]

On Tue, Aug 24, 2004 at 05:25:07PM +1000, Russell Coker wrote:
> On Tue, 24 Aug 2004 04:49, Jeremy Katz <katzj at redhat.com> wrote:
> > > One option would be to use an ext2 file system on a ram disk for udev. 
> > > It would do all the same stuff as ramfs (at a slightly higher memory
> > > cost) and work perfectly with SE Linux.
> >
> > It has a number of other, not really desired side effects as well.
> > 1) Kernel people don't really like ramdisks anymore
> > 2) Doing this requires mke2fs in the initramfs.  Bleah.
> > 3) It puts an artificial cap on the size of your /dev that then has to
> > be adjustable.  And the cap is related to an overhead of memory usage.
> > This is ugly to get "right"
> 
> I agree that ext2 is not a long-term solution to this problem.
> 
> However at the moment we have a default configuration that's grossly broken 
> with regard to SE Linux.  If you upgrade a machine which runs the "targeted" 
> policy to rawhide then several important daemons (including syslogd) stop 
> working.  If you upgrade a machine which runs the "strict" policy then it 
> will fail to boot.
> 
> If we were unable to get ramfs working in a reasonable amount of time then 
> ext2 would be a good option to consider IMHO.

It's nice if people experiment with the ramdisk setup, but given the many
limitations of it I doubt this should be the default setup or something
we encourage people to use.

greetings,

Florian La Roche