Comment 38 for bug 182996

This bug is still present in Ubuntu 8.04 LTS. I have encountered it, and here is the output from /var/log/messages, after the above fix with hdparm is applied:

Apr 26 00:27:46 Abacus01 syslogd 1.5.0#1ubuntu1: restart.
Apr 26 00:27:47 Abacus01 kernel: [ 1105.012279] hdc: status error: status=0x59 { DriveReady SeekComplete DataRequest Error }
Apr 26 00:27:47 Abacus01 kernel: [ 1105.012292] hdc: status error: error=0x00 { }
Apr 26 00:27:47 Abacus01 kernel: [ 1105.012296] ide: failed opcode was: unknown
Apr 26 00:27:47 Abacus01 kernel: [ 1105.012341] hdc: status error: status=0x59 { DriveReady SeekComplete DataRequest Error }
...
Apr 26 00:44:31 Abacus01 kernel: [ 2351.612902] hdc: status error: error=0x00 { }
Apr 26 00:44:31 Abacus01 kernel: [ 2351.612905] ide: failed opcode was: unknown
Apr 26 00:44:31 Abacus01 kernel: [ 2352.317143] hdc: status error: status=0x59 { DriveReady SeekComplete DataRequest Error }
Apr 26 00:44:31 Abacus01 kernel: [ 2352.317158] hdc: status error: error=0x00 { }
Apr 26 00:44:31 Abacus01 kernel: [ 2352.317161] ide: failed opcode was: unknown
Apr 26 00:44:31 Abacus01 kernel: [ 2352.317260] hdc: DMA disabled
Apr 26 00:44:31 Abacus01 kernel: [ 2352.363889] hdc: ATAPI reset complete
Apr 26 00:45:28 Abacus01 kernel: [ 1344.672054] hdc: UDMA/33 mode selected
Apr 26 00:46:46 Abacus01 kernel: [ 2518.086039] cdrom: This disc doesn't have any tracks I recognize!
Apr 26 00:46:49 Abacus01 kernel: [ 2521.396833] UDF-fs: No VRS found
Apr 26 00:46:50 Abacus01 kernel: [ 1260.132874] cdrom: This disc doesn't have any tracks I recognize!

The dvd drive in question is a Philips DVD1648P1, /dev/hdc
Kernel: 2.6.24-16-generic
Ubuntu 8.04 Hardy Heron LTS