Hi Andreas, When debugging driver I found out, that rmmod pluto2 && modprobe pluto2 causes card hangup: DVB: registering new adapter (pluto2). pluto2 0000:03:00.0: board revision 2.15 pluto2 0000:03:00.0: S/N 133204201 pluto2 0000:03:00.0: MAC 00:d0:16: DVB: registering frontend 0 (Philips TDA10046H DVB-T)... now rmmod and modprobe ACPI: PCI interrupt 0000:03:00.0[A] -> GSI 10 (level, low) -> IRQ 10 pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( DVB: registering new adapter (pluto2). pluto2 0000:03:00.0: board revision 15.255 pluto2 0000:03:00.0: S/N pluto2 0000:03:00.0: MAC ff:ff:ff:ff:ff:ff pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: could not attach frontend pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( pluto2 0000:03:00.0: card hung up :( Michal