I have this problem in Ubuntu 11.10 and I have had it since Ubuntu 10.04 at
least. dmesg tells me nothing when ejecting and nothing when I put in another
disc. It just shows the old contents until I do a software eject (i.e. by
clicking the eject button in nautilus).
hdparm -I /dev/sr0:
/dev/sr0:
ATAPI CD-ROM, with removable media
Model Number: TSSTcorpCD/DVDW SH-S183A
Serial Number:
Firmware Revision: SB03
Standards:
Likely used CD-ROM ATAPI-1
Configuration:
DRQ response: 50us.
Packet size: 12 bytes
cache/buffer size = unknown
Capabilities:
LBA, IORDY(can be disabled)
DMA: mdma0 mdma1 mdma2 udma0 udma1 *udma2
Cycle time: min=120ns recommended=120ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=120ns IORDY flow control=120ns
Commands/features:
Enabled Supported:
* Gen1 signaling speed (1.5Gb/s)
* Host-initiated interface power management
* Phy event counters
Device-initiated interface power management
Asynchronous notification (eg. media change)
* Software settings preservation
Please ask if you need more information.
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https://bugs.launchpad.net/bugs/660972
Title:
eject does not unmount cdrom or dvdrom if ejecting by the hardware
button
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