I think that this is related to this behaviour on debootstrap exit, when
it tries to umount the chrooted /proc:
root@oneiric:/var/cache/pbuilder/build/26972# umount
/var/cache/pbuilder/build//26972/./proc
umount: /proc: device is busy.
(In some cases useful info about processes that use
the device is found by lsof(8) or fuser(1))
but the very odd behaviour is that if i try to do (changing working
dir):
root@oneiric:/var/cache/pbuilder/build/26972# cd ..
root@oneiric:/var/cache/pbuilder/build# umount
/var/cache/pbuilder/build//26972/./proc
root@oneiric:/var/cache/pbuilder/build#
Using mount 2.17.2-9.1ubuntu4 there are no issues.
The mounting is done via chroot, so the entry in /etc/mtab isn't
present.
I think that it's more related to http://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=634107
** Bug watch added: Debian Bug tracker #634107
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=634107
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https://bugs.launchpad.net/bugs/805886
Title:
/proc does not get umounted after debootstrap
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