[lxc-devel] [Devel] Re: LXC container, unmounting unneeded mount points (from the container namespace)

Michael Holzt lxc at my.fqdn.org
Wed Jan 13 14:07:38 UTC 2010


> >When I throw in some debugging prints, I find out that it's complaining
> >that it can't umount {pivotdir}/dev.  Commented out the return -1's in
> >that routine so it starts the container anyways and jump into the
> >running container and I discover that {pivotdir}/dev/shm is still
> >mounted even though it thinks it umounted it.  I can see from the
> >debugging prints that it seems to have successfully umount it (the
> >debugging message indicates that it umounted it - so it saw it had it
> >and tried and got a good return from the attempt) but it's apparently
> >still mount.

This is strange. I will have a look into it.

> > If I umount that {pivotdir}/dev/shm inside the container,
> > I can then umount {pivotdir}/dev and {pivotdir}. 

This is even more strange as the umount actually happens "inside" the
container.



Regards
Michael

-- 
It's an insane world, but i'm proud to be a part of it. -- Bill Hicks




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