are you doing this with X enabled? If so stop X before atempting a umount
Rogerio 2010/3/20 Katharina Haselhorst <bran...@mathematik.uni-marburg.de> > Hello, > > I'm running debian lenny with xen kernel 2.6.26, amd64. Inside a domU I > need to make a pivot_root and unmount the old root afterwards. > I've done the following: > > cd /newroot > (newroot contains a minimal system from initrd, dev/console, dev/null and > old-root are available unter newroot/) > exec <dev/console >dev/console 2>&1 > pivot_root . old-root > exec chroot . bin/sh > umount -n old-root > > but I always get: device is busy - so I can't umount the old root. > /proc/mounts shows that the proc fs is still mounten under old-root/proc > and an umount old-root/proc doesn't work either (device is busy, too). > > I also tried to umount proc before doing the pivot_root, but no luck > either. > Why doesn't pivot_root remove the proc mountpoint from old-root? As I > understand the documentation - it should clear all dependencies so that the > old-root can be unmounted afterwards... > > Any ideas or suggestions to help would be great! > > K. Haselhorst > > > -- > To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a > subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org > Archive: > http://lists.debian.org/4ba4a71f.8060...@mathematik.uni-marburg.de > >
