Hello Uwe, [correcting CC recipients] > Ahh, now that makes sense. pktsetup calls `/sbin/modprobe pktcdvd` > explicitly, the blacklist entry doesn't help for that. Without the > kernel module renamed, does the 2nd DVD-RAM result in the blocking > behaviour? Yes. > Thanks for your report and helpful testing, You're welcome. This is the way how OSS should be treated (at least in my opinion). Best regards, Roland