This could be a CD scratch, but I don't think it is. This is a brand new CD which I just opened. After the errors from /var/log/messages, I include info from hdparm -g -i. hdc: packet command error: status=0x51 { DriveReady SeekComplete Error } hdc: packet command error: error=0x50 ATAPI device hdc: Error: Illegal request -- (Sense key=0x05) Invalid field in command packet -- (asc=0x24, ascq=0x00) The failed "Play Audio MSF" packet command was: "47 00 00 00 02 00 3f 24 ff 00 00 00 " Error in command packet byte 8 bit 0 hdc: packet command error: status=0x41 { DriveReady Error } hdc: packet command error: error=0x50 ATAPI device hdc: Error: Illegal request -- (Sense key=0x05) Invalid field in command packet -- (asc=0x24, ascq=0x00) The failed "Play Audio MSF" packet command was: "47 00 00 05 38 34 3f 24 ff 00 00 00 " Error in command packet byte 8 bit 0 Uniform CD-ROM driver unloaded hdc: ATAPI 24X CD-ROM drive, 128kB Cache, DMA Uniform CD-ROM driver Revision: 3.11 VFS: Disk change detected on device ide1(22,0) hdc: packet command error: status=0x51 { DriveReady SeekComplete Error } hdc: packet command error: error=0x50 ATAPI device hdc: Error: Illegal request -- (Sense key=0x05) Invalid field in command packet -- (asc=0x24, ascq=0x00) The failed "Play Audio MSF" packet command was: "47 00 00 00 02 00 3f 24 ff 00 00 00 " Error in command packet byte 8 bit 0 isapnp: Scanning for Pnp cards... isapnp: No Plug & Play device found snd: cs4231: port = 0x530, id = 0xa snd: CS4231: VERSION (I25) = 0x3 snd: CS4231: ext version; rev = 0xe8, id = 0xe8 snd: CS4236: [0xf00] C1 (version) = 0xe8, ext = 0xe8 hdc: packet command error: status=0x41 { DriveReady Error } hdc: packet command error: error=0x50 ATAPI device hdc: Error: Illegal request -- (Sense key=0x05) Invalid field in command packet -- (asc=0x24, ascq=0x00) The failed "Play Audio MSF" packet command was: "47 00 00 05 38 34 3f 24 ff 00 00 00 " Error in command packet byte 8 bit 0 hdc: packet command error: status=0x41 { DriveReady Error } hdc: packet command error: error=0x50 ATAPI device hdc: Error: Illegal request -- (Sense key=0x05) Invalid field in command packet -- (asc=0x24, ascq=0x00) The failed "Play Audio MSF" packet command was: "47 00 00 0e 10 32 3f 24 ff 00 00 00 " Error in command packet byte 8 bit 0 hdparm -g -i /dev/hdc /dev/hdc: HDIO_GET_MULTCOUNT failed: Invalid argument HDIO_GETGEO failed: Invalid argument Model=TOSHIBA CD-ROM XM-1702BC, FwRev=1854, SerialNo=ÿÿÿÿÿÿÿÿÿÿ Config={ SpinMotCtl Removeable DTR<=5Mbs DTR>10Mbs nonMagnetic } RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0 BuffType=0(?), BuffSize=128kB, MaxMultSect=0 DblWordIO=no, OldPIO=4, DMA=yes, OldDMA=2 (maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0 tDMA={min:120,rec:120}, DMA modes: sword0 sword1 sword2 mword0 mword1 *mword2 IORDY=on/off, tPIO={min:120,w/IORDY:120}, PIO modes: mode3 mode4 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/