Public bug reported:
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Symptoms:
Fresh install of Ubutnu 9.10 (Karmic Koala), unable to read data from
video DVDs. Note that data DVDs and audio CDs work perfectly - only
video DVDs give errors.
1) Insert video DVD
2) Prompted to play with Media Player
3) "An error occurred. Could not read from resource."
A number of DVDs have been tried - all with identical results.
The discs are browsable using Nautilus, however attempting to open or
copy files gives errors.
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Hardware:
Model: Sony laptop, VGN-NS10J
DVD drive (from lshw):
Description: DVD-RAM writer
Product: DVD-RAM UJ870BJ
Vendor: MATSHITA
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Note:
The following lines (which are seen a number of times) in dmesg looks
likely to be the problem:
[33207.123546] sr 1:0:0:0: [sr0] Add. Sense: Read of scrambled sector without
authentication
[33207.123558] end_request: I/O error, dev sr0, sector 7347100
[33207.128359] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[33207.128367] sr 1:0:0:0: [sr0] Sense Key : Illegal Request [current]
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** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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Matshita drive unable to read video DVDs.
https://bugs.launchpad.net/bugs/508907
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