After most recent kernel updates in the repositories, my problem seems to be gone. I tried to mount and use a music CD and data DVD -> it worked without problems. The DRDY error is also gone from the dmesg output. I will report back if the trouble appears again.
After most recent kernel updates in the repositories, my problem seems to be gone. I tried to mount and use a music CD and data DVD -> it worked without problems. The DRDY error is also gone from the dmesg output. I will report back if the trouble appears again.