>> The umount command fails with "device is busy". privot root and chroot >> work fine. > > So everything works except the umount. Interesting. From the example > in the man page they obviously expect it to be possible to umount the > old root file system. > >>> Kill should be able to kill any process *except* init itself. >>> And "telinit -u" should be able to refresh init. >> >> I did a telinit u after the chroot and killed the remaining processes. >> After that lsof doesn't show any open files under old-root but umount >> still fails with "device is busy". > > Maybe lsof doesn't necessarily list everything. What does "fuser -m > /old_root" > show? What about doing "fuser -k -m /old_root"?
Ok, I finally got the old root unmounted. There were some tmpfs mounted unter old-root/dev/shm and old-root/lib/init/... - after unmounting these I could also unmount the old-root. It's strange that neither lsof nor fuser did show any open files for these mountpoints... I really wonder how the pivot_root guys expect their examples to work ;) What I still need to figure out is how I can replace init with a custom process... but I think for that I will have to patch init itself. 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/35890.137.248.74.37.1269418580.squir...@www.mathematik.uni-marburg.de
