AHCI dvd woes

[Neil Short]

old problem on HP laptops. the workaround has been to
go to the BIOS and switch from AHCI to IDE interface; but my
BIOS doesn't support switching.

 is anybody working on this?

details:

/$ mplayer dvd://
MPlayer SVN-r30341-snapshot-4.2.1 (C) 2000-2009 MPlayer Team

Playing dvd://.
libdvdread: Using libdvdcss version 1.2.10 for DVD access
There are 6 titles on this DVD.
There are 1 angles in this DVD title.

libdvdread: Attempting to retrieve all CSS keys
libdvdread: This can take a _long_ time, please be patient

libdvdread: Get key for /VIDEO_TS/VIDEO_TS.VOB at 0x0000012a
libdvdread: Error cracking CSS key for /VIDEO_TS/VIDEO_TS.VOB (0x0000012a)
libdvdread: Elapsed time 11
libdvdread: Get key for /VIDEO_TS/VTS_01_0.VOB at 0x0000042c
libdvdread: Error cracking CSS key for /VIDEO_TS/VTS_01_0.VOB (0x0000042c)
libdvdread: Elapsed time 10
libdvdread: Get key for /VIDEO_TS/VTS_01_1.VOB at 0x00000a3d
libdvdread: Error cracking CSS key for /VIDEO_TS/VTS_01_1.VOB (0x00000a3d)!!
libdvdread: Elapsed time 10
libdvdread: Get key for /VIDEO_TS/VTS_02_0.VOB at 0x00210848
libdvdread: Error cracking CSS key for /VIDEO_TS/VTS_02_0.VOB (0x00210848)
libdvdread: Elapsed time 10
libdvdread: Get key for /VIDEO_TS/VTS_02_1.VOB at 0x00210bef
libdvdread: Error cracking CSS key for /VIDEO_TS/VTS_02_1.VOB (0x00210bef)!!
libdvdread: Elapsed time 10
libdvdread: Found 2 VTS's
libdvdread: Elapsed time 51
audio stream: 0 format: ac3 (5.1) language: en aid: 128.
audio stream: 1 format: ac3 (stereo) language: en aid: 129.
number of audio channels on disk: 2.
subtitle ( sid ): 0 language: en
subtitle ( sid ): 1 language: es
number of subtitles on disk: 2
Cache fill:  0.00% (0 bytes)   


Exiting... (End of file)

console shows:
acd0: FAILURE - SEND_KEY timed out
acd0: FAILURE - SEND_KEY timed out
acd0: FAILURE - SEND_KEY timed out
acd0: FAILURE - SEND_KEY timed out
acd0: FAILURE - SEND_KEY timed out
acd0: FAILURE - SEND_KEY timed out
acd0: FAILURE - SEND_KEY timed out
acd0: FAILURE - READ_BIG ILLEGAL REQUEST asc=0x6f ascq=0x03 
acd0: FAILURE - READ_BIG ILLEGAL REQUEST asc=0x6f ascq=0x03