Thank you Volker for your answer. > dmesg and kernel config would be much more helpfull.
dmesg | grep cdrom and grep sr0 didn't give any answer > Especially the scsi part of kernel config. Stuff like cdrom support. Here is my scsi config in the kernel: < > RAID Transport Class -*- SCSI device support < > SCSI target support [*] legacy /proc/scsi/ support *** SCSI support type (disk, tape, CD-ROM)*** <*> SCSI disk support < > SCSI tape support < > SCSI OnStream SC-x0 tape support <*> SCSI CDROM support [*] Enable vendor-specificextensions(forSCSICDROM) <*> SCSI generic support < > SCSI media changer support Probe all LUNs on each SCSI device [*] Verbose SCSI error reporting (kernel size+=12K) SCSI logging facility [ ] Asynchronous SCSI scanning SCSI Transports ---> [ ] SCSI low-level drivers ---> [ ] PCMCIA SCSI adapter support ---> < > SCSI Device Handlers ---> < > OSD-Initiator library I hope it will help you...and me :-) Roger