Quoting Alexander Vladimirov (alexander.idkfa.vladimi...@gmail.com):
> 2013/1/8 Serge Hallyn <serge.hal...@canonical.com>:
> > Quoting Alexander Vladimirov (alexander.idkfa.vladimi...@gmail.com):
> >> Just like on the host:
> >> [idkfa@s10 ~]$ ls -la /dev/{null,tty,urandom,zero,full}
> >> crw-rw-rw- 1 root root 1, 7 янв 6 13:30 /dev/full
> >> crw-rw-rw- 1 root root 1, 3 янв 6 13:30 /dev/null
> >> crw-rw-rw- 1 root tty 5, 0 янв 8 00:03 /dev/tty
> >> crw-rw-rw- 1 root root 1, 9 янв 6 13:30 /dev/urandom
> >> crw-rw-rw- 1 root root 1, 5 янв 6 13:30 /dev/zero
> >>
> >> For example
> >
> > You say "for example", implying there is another. I don't see it though.
> > What else is different?
>
> I'm sure I have encountered error messages about /dev/null permissions
> at some point, but I can't reproduce it atm
Hm, but it's definately set to o+rw in the code, so that should not
be the case unless selinux is getting in the way.
> >> /dev/tty not being group-writable leads to the following
> >> error when I login through ssh:
> >> sshd[79]: error: open /dev/tty failed - could not set controlling
> >> tty: Permission denied
> >
> > Interesting. Mine definately is owned by group tty, and it's not
> > userspace changing it after boot, since even
Note that even if it isn't owned by group tty, it's getting S_IRWXO
so access shouldn't be a problem.
> > lxc-start -n r2 -- /bin/sleep 100
> > with lxc.autodev = 1 gets /dev/tty owned by group tty. I don't
> > understand why though as I don't see any place in src/lxc/conf.c where I
> > chown it.
>
> That is why I called permissions "strange", quick look at the source
> made no insights on what's happening.
>
> > Do you have the same result (just to help me figure out what's going on,
> > not to suggest you should have to do this) if you add
> >
> > lxc.devttydir = lxc
>
> Doing this just moves /dev/console into subdir, but /dev/console has
> correct group and permissions regardless of this option.
> For /dev/tty and other nodes in question that option does not change anything.
d'oh, right, console and ttyN get moved but not /dev/tty...
-serge
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