To reproduce, configure udev to remove all permission bits from the device file. This is described on my webpage: http://wirespeed.xs4all.nl/mediawiki/index.php/Figuring_out_udev_rules#Assigning_a_raw_disk_to_a_specific_user
$ ls -l /dev/sdj1 b--------- 1 root root 8, 145 2011-03-26 09:05 /dev/sdj1 $ udisks --mount /dev/sdj1 Mounted /org/freedesktop/UDisks/devices/sdj1 at /media/6a8ce615-cb88-46be-a068-0f58aacb7d60 $ ls -l /media/6a8ce615-cb88-46be-a068-0f58aacb7d60/ total 108 drwxr-xr-x 2 root root 4096 2011-03-25 22:30 bin drwxr-xr-x 3 root root 4096 2011-03-25 22:43 boot drwxr-xr-x 2 root root 4096 2011-03-2.......
To reproduce, configure udev to remove all permission bits from the device file. This is described on my webpage: http:// wirespeed. xs4all. nl/mediawiki/ index.php/ Figuring_ out_udev_ rules#Assigning _a_raw_ disk_to_ a_specific_ user
$ ls -l /dev/sdj1 p/UDisks/ devices/ sdj1 at /media/ 6a8ce615- cb88-46be- a068-0f58aacb7d 60 6a8ce615- cb88-46be- a068-0f58aacb7d 60/
b--------- 1 root root 8, 145 2011-03-26 09:05 /dev/sdj1
$ udisks --mount /dev/sdj1
Mounted /org/freedeskto
$ ls -l /media/
total 108
drwxr-xr-x 2 root root 4096 2011-03-25 22:30 bin
drwxr-xr-x 3 root root 4096 2011-03-25 22:43 boot
drwxr-xr-x 2 root root 4096 2011-03-2.......