Forgive me if I'm wrong, but I believe I am seeing the same bug, with a
different drive though.
The bug description in my case is quite simple: my dmesg shows an endless list
of
[19145.388805] hda: drive not ready for command
[19145.388837] hda: status error: status=0x59 { DriveReady SeekComplete
DataRequest Error }
[19145.388842] hda: status error: error=0x40 { LastFailedSense=0x04 }
[19145.388845] ide: failed opcode was: unknown
The list usually starts after a message pops up on my screen saying a
new medium was detected (though I was not using the DVD drive in any
manner). This seems completely unpredictable. hdparm -w successfully
stops the error message list. Unmounting the ghost medium does nothing.
The system is still normally responsive when the bug occurs.
I'm using Kubuntu gutsy x86_64.
uname -r
2.6.22-14-generic
Relevant output of smartctl -a /dev/hda
Device Model: MATSHITADVD-RAM UJ-850S
Serial Number: HA32 037777
Firmware Version: 1.05
Device is: Not in smartctl database [for details use: -P showall]
ATA Version is: 6
ATA Standard is: Exact ATA specification draft version not indicated
SMART support is: Unavailable - Packet Interface Devices [this device: CD/DVD]
don't support ATA SMART
I'll be glad to provide any requested information.
--
Feisty freeze, kernel (?) tries to access DVD drive
https://bugs.launchpad.net/bugs/75295
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