linux-kernel - Re: VCD not readable under 2.6.18

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Message-ID: <20061209060602.98025.qmail@web57812.mail.re3.yahoo.com>
Date:	Fri, 8 Dec 2006 22:06:02 -0800 (PST)
From:	Rakhesh Sasidharan <rakheshster@...oo.com>
To:	linux-kernel@...r.kernel.org
Subject: Re: VCD not readable under 2.6.18

Hi,

I am having problems reading VCDs under various Linux distros (Fedora Core 6, openSUSE 10.2, Slackware 11 with the 2.6 kernel), and while searching Google for a solution I found that this problem has been mentioned on the LKML list too. (http://lkml.org/lkml/2006/10/29/95)

I didn't see any responses after the post linked to above, so I'd like to add that I too get this problem and that I've tried with various VCDs and players. In previous versions of these distros I could just mount the VCD and copy the *.DAT files across; but in the current versions I can't even mount! dmesg gets flooded with errors such as the below: 

hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 }
ide: failed opcode was: unknown
ATAPI device hdc:
  Error: Illegal request -- (Sense key=0x05)
  Illegal mode for this track or incompatible medium -- (asc=0x64, ascq=0x00)
  The failed "Read 10" packet command was: 
  "28 00 00 00 73 f2 00 00 01 00 00 00 00 00 00 00 "
end_request: I/O error, dev hdc, sector 118728
Buffer I/O error on device hdc, logical block 29682
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 }
ide: failed opcode was: unknown
ATAPI device hdc:
  Error: Illegal request -- (Sense key=0x05)
  Illegal mode for this track or incompatible medium -- (asc=0x64, ascq=0x00)
  The failed "Read 10" packet command was: 
  "28 00 00 00 73 f3 00 00 03 00 00 00 00 00 00 00 "
end_request: I/O error, dev hdc, sector 118732
Buffer I/O error on device hdc, logical block 29683
Buffer I/O error on device hdc, logical block 29684
Buffer I/O error on device hdc, logical block 29685
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 }
ide: failed opcode was: unknown
ATAPI device hdc:
  Error: Illegal request -- (Sense key=0x05)
  Illegal mode for this track or incompatible medium -- (asc=0x64, ascq=0x00)
  The failed "Read 10" packet command was: 
  "28 00 00 00 73 f2 00 00 02 00 00 00 00 00 00 00 "
end_request: I/O error, dev hdc, sector 118728
Buffer I/O error on device hdc, logical block 29682
Buffer I/O error on device hdc, logical block 29683
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 }
ide: failed opcode was: unknown
ATAPI device hdc:
  Error: Illegal request -- (Sense key=0x05)
  Illegal mode for this track or incompatible medium -- (asc=0x64, ascq=0x00)
  The failed "Read 10" packet command was: 
  "28 00 00 00 73 f2 00 00 02 00 00 00 00 00 00 00 "
end_request: I/O error, dev hdc, sector 118728
Buffer I/O error on device hdc, logical block 29682
Buffer I/O error on device hdc, logical block 29683
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 }

Another link on the net (by the same poster as the LKML link above) mentioned that this problem appears *after* kernel 2.6.16. So I downgraded my Slackware kernel to 2.6.16 and sure enough the problem goes away. I haven't tried with the 2.6.19 kernel, so I can't confirm if that solves the problem or not. 

Thanks,
Rakhesh

ps. Am not subscribed to this list. Please cc me any replies etc. Thanks. 

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