This is probably followup to
http://www.spinics.net/lists/linux-ide/msg09412.html
I post it first to confirm the problem, then because I am not sure whether the
patch
handles everything I quote here.
Kernel 2.6.21-rc5 (2.6.18 behaved similarly).
Hardware: modern intel (dual core on gigabyte 965, HP DVD 940,
dvd is the only IDE device, SATA hard drive is used in AHCI mode)
I observe plenty of CDROM-related errors in my logs, in spite of the fact that
my
CD/DVD device works correctly (at least, reads and writes correctly).
Example errors:
Apr 3 11:22:34 cauchy kernel: hdb: status error: status=0x58 { DriveReady
SeekComplete DataRequest
}
Apr 3 11:22:34 cauchy kernel: ide: failed opcode was: unknown
Apr 3 11:22:34 cauchy kernel: hdb: drive not ready for command
(those filled my logs until I disabled HAL cd monitoring and show from time
to time)
Apr 4 13:12:00 cauchy kernel: hdb: packet command error: status=0x51 {
DriveReady SeekComplete Erro
r }
Apr 4 13:12:00 cauchy kernel: hdb: packet command error: error=0x54 {
AbortedCommand LastFailedSens
e=0x05 }
Apr 4 13:12:00 cauchy kernel: ide: failed opcode was: unknown
Apr 4 13:12:00 cauchy kernel: ATAPI device hdb:
Apr 4 13:12:00 cauchy kernel: Error: Illegal request -- (Sense key=0x05)
Apr 4 13:12:00 cauchy kernel: Cannot read medium - incompatible format --
(asc=0x30, ascq=0x02)
Apr 4 13:12:00 cauchy kernel: The failed "Read Subchannel" packet command
was:
Apr 4 13:12:00 cauchy kernel: "42 02 40 01 00 00 00 00 10 00 00 00 00 00 00
00 "
(those are repeated about once per second when DVD movie is in the drive,
both when it is played, and when left unused)
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