This is probably due to the source being 'none', but the shm mount point can be mounted twice at the same mount point. Shouldn't mount(2) return -EBUSY in this case? # cat /etc/mtab /dev/hda4 / ext2 rw,errors=remount-ro,errors=remount-ro 0 0 proc /proc proc rw 0 0 devpts /dev/pts devpts rw,gid=5,mode=620 0 0 /dev/hda1 /boot ext2 rw 0 0 /dev/hda3 /mnt/win vfat rw 0 0 none /proc/bus/usb usbdevfs rw 0 0 # mount /dev/shm # cat /etc/mtab /dev/hda4 / ext2 rw,errors=remount-ro,errors=remount-ro 0 0 proc /proc proc rw 0 0 devpts /dev/pts devpts rw,gid=5,mode=620 0 0 /dev/hda1 /boot ext2 rw 0 0 /dev/hda3 /mnt/win vfat rw 0 0 none /proc/bus/usb usbdevfs rw 0 0 none /dev/shm shm rw 0 0 # mount /dev/shm # cat /etc/mtab /dev/hda4 / ext2 rw,errors=remount-ro,errors=remount-ro 0 0 proc /proc proc rw 0 0 devpts /dev/pts devpts rw,gid=5,mode=620 0 0 /dev/hda1 /boot ext2 rw 0 0 /dev/hda3 /mnt/win vfat rw 0 0 none /proc/bus/usb usbdevfs rw 0 0 none /dev/shm shm rw 0 0 none /dev/shm shm rw 0 0 # umount /dev/shm # cat /etc/mtab /dev/hda4 / ext2 rw,errors=remount-ro,errors=remount-ro 0 0 proc /proc proc rw 0 0 devpts /dev/pts devpts rw,gid=5,mode=620 0 0 /dev/hda1 /boot ext2 rw 0 0 /dev/hda3 /mnt/win vfat rw 0 0 none /proc/bus/usb usbdevfs rw 0 0 Jordan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
