On Sun, 2011-08-21 at 16:21 -0400, Joey Hess wrote: > Ben, I don't understand your patch for this at all. > The error message you showed is "umount: /proc: device is busy." > How can umount -n avoid it trying to umount the wrong /proc? It not only inhibits umount from updating /etc/mtab, but also means that it never uses /etc/mtab to canonicalize the given path. > Also, portability is a concern. busybox umount does not support -n, > for example. > > When I run debootstrap, it ends successfully with $chroot/proc not being > mounted. Is there something about it being run by pbuilder that triggers > this bug? Don't know. Ben.
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