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List:       openbsd-bugs
Subject:    ports/4956: libdvdread-0.9.4p2 unable to decode certain css scrambled dvds
From:       Jake Luck <openbsd () 10k ! org>
Date:       2005-12-30 7:01:57
Message-ID: 20051230070157.9FC9FB8 () transpose ! 10k ! org
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>Number:         4956
>Category:       ports
>Synopsis:       libdvdread-0.9.4p2 unable to decode certain css scrambled dvds
>Confidential:   yes
>Severity:       serious
>Priority:       medium
>Responsible:    bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Dec 30 07:10:01 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Jake Luck <openbsd@10k.org>
>Release:        -current 2005-12-24 i386 snapshot
>Organization:
net
>Environment:
	
	System      : OpenBSD 3.8
	Architecture: OpenBSD.i386
	Machine     : i386
>Description:
	the current version of libdvdread-0.9.4p2 uses the acss libdvd
	for decryption, as a result, certain commercial dvds can not be
	accessed.
>How-To-Repeat:
	installed the latest from ports
	libdvd-0.3p1
	libdvdread-0.9.4p2
	dvdbackup-0.1.1p0

	run dvdbackup on an encrypted vob.
	certain dvds will result cause the 
	/dev/cd0c unaccessible with console messages of

     SENSE KEY: Illegal Request
   INFO: 0x320a (VALID flag on)
   ASC/ASCQ: Read Of Scrambled Sector Without Authentication
   cd0(atapiscsi0:0:0): Check Condition (error 0x70) on opcode 0x28

   drive affected:
   cd0 at scsibus0 targ 0 lun 0: <MATSHITA, DVD-RAM LF-D521, A111> 
   SCSI0 5/cdrom removable
   cd0(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 4

>Fix:
	remove the ACSS patch, and restore libdvdread to
	use the latest libdvdcss-1.2.9 appears to solve
	the problem.


>Release-Note:
>Audit-Trail:
>Unformatted:

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