hi Martin.. I created some time for it and the latest livecd.. output before update : ubuntu@ubuntu:~$ sudo /lib/udev/cdrom_id --debug /dev/sr1 main: probing: '/dev/sr1' cd_inquiry: INQUIRY: [IronKey ][CD-ROM ][2.08] info_scsi_cmd_err: GET CONFIGURATION failed with SK=5h/ASC=20h/ACQ=00h cd_profiles: drive is pre-MMC2 and does not support 46h get configuration command cd_profiles: trying to work around the problem info_scsi_cmd_err: READ DISC INFORMATION failed with SK=5h/ASC=20h/ACQ=00h cd_profiles_old_mmc: no current profile, assuming no media ID_CDROM=1 ID_CDROM_MEDIA=1 output after update.. ubuntu@ubuntu:~$ sudo /lib/udev/cdrom_id --debug /dev/sr1 main: probing: '/dev/sr1' cd_inquiry: INQUIRY: [IronKey ][CD-ROM ][2.08] info_scsi_cmd_err: GET CONFIGURATION failed with SK=5h/ASC=20h/ACQ=00h cd_profiles: drive is pre-MMC2 and does not support 46h get configuration command cd_profiles: trying to work around the problem info_scsi_cmd_err: READ DISC INFORMATION failed with SK=5h/ASC=20h/ACQ=00h cd_profiles_old_mmc: no current profile, but disc is present; assuming CD-ROM cd_media_toc: READ TOC: len: 48, start track: 1, end track: 1 cd_media_toc: track=0 info=0x4(data) start_block=0 cd_media_toc: last track 0 starts at block 0 info_scsi_cmd_err: READ DISC INFORMATION failed with SK=5h/ASC=20h/ACQ=00h ID_CDROM=1 ID_CDROM_MRW=1 ID_CDROM_MRW_W=1 ID_CDROM_MEDIA=1 ID_CDROM_MEDIA_CD=1 ID_CDROM_MEDIA_TRACK_COUNT_DATA=1 BTW: a bit of the ppa gives a problem: Err http://ppa.launchpad.net maverick/main Sources 404 Not Found Err http://ppa.launchpad.net maverick/main i386 Packages 404 Not Found some remarks: I installed the deb files manually because sudo upgrade && sudo upgrade failes (probably because it's a lucid ppa) after installing the files (only the dev-files did not want to install Errors were encountered while processing: libgudev-1.0-dev libudev0-udeb_151-12.1pitti1_i386.udeb udev-udeb_151-12.1pitti1_i386.udeb further by restarting udev services and udevtrigger I got a crash in kernel : WARNING: at /build/buildd/linux-2.6.35/ubuntu/aufs/plink.c:332 au_plink_append+0x274/0x2e0 [aufs]() Call Trace: [] warn_slowpath_common+0x72/0xa0 [] ? au_plink_append+0x274/0x2e0 [aufs] [] ? au_plink_append+0x274/0x2e0 [aufs] [] warn_slowpath_fmt+0x33/0x40 [] au_plink_append+0x274/0x2e0 [aufs] [] au_cpup_or_link+0x10a/0x230 [aufs] [] aufs_link+0x158/0x4a0 [aufs] [] ? security_inode_permission+0x1d/0x30 [] ? h_permission+0x97/0x120 [aufs] udev-trigger is still trying to restart.. I'm sorry I can't put more time in it now.. Regards, Bankey 2010/10/6 Bankey BiHari Dassa