I forgot to write that I am on 64bit (Kubuntu 9.04) Toshiba Tecra A9 T9300 > What return mount on "other machine - Ubuntu 8.10" ? (I try to know which standard used Windows) I'll past the output later. > What software do you use to burn CD on Windows ? If I remember it right, I used Nero on Windows XP Home > Was it a CD or a DVD ? Was it multisession ? CD is data CD or audio CD ? I tried several CDs (audio, data, vide). But what should be easy to reproduce: test original audio CD bought in music store. It should contains just songs in .wav format and was burned in Windows. > 2) Try "mount -t iso9660 /dev/sr0 /media/cdrom0/" # mount -t iso9660 /dev/sr0 /media/cdrom0/ mount: block device /dev/sr0 is write-protected, mounting read-only mount: wrong fs type, bad option, bad superblock on /dev/sr0, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so # dmesg | tail [22941.060560] end_request: I/O error, dev sr0, sector 64 [22941.060606] isofs_fill_super: bread failed, dev=sr0, iso_blknum=16, block=16 > 3) Do "cat /proc/filesystems", and attach lines which contains udf or iso9660. $ cat /proc/filesystems nodev sysfs nodev rootfs nodev bdev nodev proc nodev cgroup nodev cpuset nodev debugfs nodev securityfs nodev sockfs nodev usbfs nodev pipefs nodev anon_inodefs nodev tmpfs nodev inotifyfs nodev devpts ext3 ext4 ext2 cramfs nodev ramfs nodev hugetlbfs nodev ecryptfs nodev fuse fuseblk nodev fusectl nodev mqueue reiserfs iso9660 $ > 4) Device identification > Do "eject /dev/sr0" to validate the device name. CD was ejected :) $ eject /dev/sr0 $ > Is SATA or PATA (old IDE) ? *-cdrom description: DVD-RAM writer product: DVD-RAM UJ-852S vendor: MATSHITA physical id: 0.0.0 bus info: scsi@3:0.0.0 logical name: /dev/cdrom logical name: /dev/cdrw logical name: /dev/dvd logical name: /dev/dvdrw logical name: /dev/scd0 logical name: /dev/sr0 version: 1.10 capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram configuration: ansiversion=5 status=open (for more details, see attachment) > Is a CD reader, CD burner or a DVD reader&CD burner ? the DVD reader&CD burner > In fstab, replace /dev/cdrom by /dev/sr0, but I am affraid it would change anything. Didn't help.