hdc: cdrom_pc_intr: The drive appears confused (ireason = 0x01)

[Ralf Hildebrandt <Ralf.Hildebrandt@charite.de>]

# uname -a
Linux tabuleh 2.6.16.9 #1 PREEMPT Wed Apr 19 21:19:01 CEST 2006 i686 GNU/Linux

For quite some time I'm getting this in my log:

May  2 14:09:08 tabuleh kernel: hdc: cdrom_pc_intr: The drive appears confused (ireason = 0x01)
May  2 14:26:43 tabuleh kernel: hdc: cdrom_pc_intr: The drive appears confused (ireason = 0x01)
May  2 14:46:20 tabuleh kernel: hdc: cdrom_pc_intr: The drive appears confused (ireason = 0x01)

# dmesg|grep hdc

ide1: BM-DMA at 0xcfa8-0xcfaf, BIOS settings: hdc:DMA, hdd:pio
hdc: TOSHIBA DVD-ROM SD-R2102, ATAPI CD/DVD-ROM drive
hdc: ATAPI 24X DVD-ROM CD-R/RW drive, 2048kB Cache, UDMA(33)
hdc: cdrom_pc_intr: The drive appears confused (ireason = 0x01)
...

# smartctl -a /dev/hdc
smartctl version 5.36 [i686-pc-linux-gnu] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF INFORMATION SECTION ===
Device Model:     TOSHIBA DVD-ROM SD-R2102
Serial Number:    623E128663
Firmware Version: 1317
Device is:        Not in smartctl database [for details use: -P showall]
ATA Version is:   5
ATA Standard is:  ATA/ATAPI-5 T13 1321D revision 3
Local Time is:    Tue May  2 15:06:01 2006 CEST
SMART support is: Unavailable - Packet Interface Devices [this device: CD/DVD] don't support ATA SMART
A mandatory SMART command failed: exiting. To continue, add one or more '-T permissive' options.

-- 
Ralf Hildebrandt (i.A. des IT-Zentrums)         Ralf.Hildebrandt@charite.de
Charite - Universitätsmedizin Berlin            Tel.  +49 (0)30-450 570-155
Gemeinsame Einrichtung von FU- und HU-Berlin    Fax.  +49 (0)30-450 570-962
IT-Zentrum Standort CBF                 send no mail to spamtrap@charite.de
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