On 5/14/13 2:12 PM, Toralf Förster wrote: > At a stable 32 bit stable Gentoo with kernel v3.10-rc1-113-ga2c7a54 I cannot umount an (EXT4) fs > which was created in a file located in a tmpfs partition and loop mounted : > > That file system was used to hold victims files shared via NFSv4 to an user mode linux > on which trinity was used to fuzz testing a patched UML guest kernel. > > n22 ~ # mount > ... > nfsd on /proc/fs/nfsd type nfsd (rw,nodev,noexec,nosuid) > /mnt/ramdisk/disk0 on /mnt/trinity type ext4 (rw) Is your "mount" looking at /etc/mtab ot at /proc/mounts? What does /proc/mounts say, does it contain this device or mountpoint? > n22 ~ # umount /mnt/trinity > umount: /mnt/trinity: not mounted -Eric -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
