Comment 87 for bug 228624

i can confirm it on 9.04
its not possible to read any dvd, or to write a dvd.
reading cd-roms works.

[ 141.148913] sr 5:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
[ 141.148921] sr 5:0:0:0: [sr0] Sense Key : Medium Error [current]
[ 141.148926] sr 5:0:0:0: [sr0] Add. Sense: Id CRC or ECC error
[ 141.148933] end_request: I/O error, dev sr0, sector 64
[ 141.148940] Buffer I/O error on device sr0, logical block 8

Linux 2.6.28-16-generic #55-Ubuntu SMP Tue Oct 20 19:48:24 UTC 2009 i686 GNU/Linux

hdparam -i /dev/sr0:

 Model=HL-DT-STDVDRRW GWA-4164B , FwRev=1.01 , SerialNo=
 Config={ Fixed Removeable DTR<=5Mbs DTR>10Mbs nonMagnetic }
 RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0
 BuffType=unknown, BuffSize=0kB, MaxMultSect=0
 (maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0
 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
 PIO modes: pio0 pio1 pio2 pio3 pio4
 DMA modes: sdma0 sdma1 sdma2 mdma0 mdma1 mdma2
 UDMA modes: udma0 udma1 *udma2
 AdvancedPM=no
 Drive conforms to: Unspecified: ATA/ATAPI-2,3,4,5

 * signifies the current active mode