sshd udev & pty... SOLUTION

[Mike Frysinger]

On Wed, Nov 16, 2005 at 02:20:40PM -0800, Nathanael D. Noblet wrote:
> On Wed, 2005-11-16 at 21:57 +0000, Mike Frysinger wrote:
> > yes, /dev/pts must be mounted *after* udev is mounted on /dev, otherwise
> > the /dev/pts mount will be masked and generally unreachable
> > 
> > > The post I saw said something about a sort of race condition with
> > > this... I wasn't as far along with figuring out my problem to realize it
> > > may have merit in my case.
> > 
> > i wouldnt call it a race condition unless your init system is starting
> > scripts in parallel ... udev should *always* come before devpts and just
> > about any other mount operation (except like /proc and /sys)
> 
> Well after all that I finally have a working system. The problem lies in
> our (buildroot) inittab & udev. inittab does a mount -a and then calls
> the initsripts. So because devpts is in /etc/fstab it gets mounted. Then
> S10-udev gets called. This mounts the tmpfs/ramfs over /dev and then
> creates the /dev/pts and /dev/input /dev/shm. So I modified the S10-udev
> scripts. It checks /proc/mounts for devpts and unmounts it. Mounts
> itself and then remounts devpts. One of my todo list problems gone.
>
> I'm wondering what the best way to solve this is. Do I add a patch to
> the udev files in buildroot. Is the way I go about doing this correct? I
> got the idea from the ubuntu scripts I looked at. Any other ideas on how
> to set this up properly? Before I submit the patch to buildroot?

i would add a /dev entry to /etc/fstab and change S10-udev to not
mount /dev at all
-mike