Re: dd errors with certain DVDs

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On Sat, Mar 24, 2007 at 11:25:23PM +0000, Paul Smith wrote:
> Dear All
> 
> I am getting the errors below when I execute the command
> 
> dd if=/dev/dvd of=dvd1.iso

DVD/CD buring software does wierd things so that you cannot always
depend on reading the whole thing without an error message.

To see if you got all of it, mount your iso as a loopback device:

mkdir foo
mount dev1.iso foo
mount /dev/dvd /media/<device> # as appropriate

Then diff the two:

diff -r --brief /media/<device> foo

If the result is silent, you have all the data you need. 

To answer your other email, you can validate a freshly minted DVD
similarly.

> 
> Any ideas?
> 
> Thanks in advance,
> 
> Paul
> 
> --------------------------------
> 
> Mar 24 23:21:16 mypc kernel: hdf: command error: status=0x51 {
> DriveReady SeekComplete Error }
> Mar 24 23:21:16 mypc kernel: hdf: command error: error=0x54 {
> AbortedCommand LastFailedSense=0x05 }
> Mar 24 23:21:16 mypc kernel: ide: failed opcode was: unknown
> Mar 24 23:21:16 mypc kernel: ATAPI device hdf:
> Mar 24 23:21:16 mypc kernel:   Error: Illegal request -- (Sense key=0x05)
> Mar 24 23:21:16 mypc kernel:   Logical block address out of range --
> (asc=0x21, ascq=0x00)
> Mar 24 23:21:16 mypc kernel:   The failed "Read 10" packet command was:
> Mar 24 23:21:16 mypc kernel:   "28 00 00 13 35 f8 00 00 40 00 00 00 00
> 00 00 00 "
> Mar 24 23:21:16 mypc kernel: end_request: I/O error, dev hdf, sector 5036000
> Mar 24 23:21:16 mypc kernel: printk: 118 messages suppressed.
> Mar 24 23:21:16 mypc kernel: Buffer I/O error on device hdf, logical
> block 1259000
> Mar 24 23:21:16 mypc kernel: Buffer I/O error on device hdf, logical
> block 1259001
> Mar 24 23:21:16 mypc kernel: Buffer I/O error on device hdf, logical
> block 1259002
> Mar 24 23:21:18 mypc kernel: Buffer I/O error on device hdf, logical
> block 1259003
> Mar 24 23:21:18 mypc kernel: Buffer I/O error on device hdf, logical
> block 1259004
> Mar 24 23:21:18 mypc kernel: Buffer I/O error on device hdf, logical
> block 1259005
> Mar 24 23:21:18 mypc kernel: Buffer I/O error on device hdf, logical
> block 1259006
> Mar 24 23:21:18 mypc kernel: Buffer I/O error on device hdf, logical
> block 1259007
> Mar 24 23:21:18 mypc kernel: Buffer I/O error on device hdf, logical
> block 1259008
> Mar 24 23:21:18 mypc kernel: Buffer I/O error on device hdf, logical
> block 1259009
> Mar 24 23:21:18 mypc kernel: hdf: command error: status=0x51 {
> DriveReady SeekComplete Error }
> Mar 24 23:21:18 mypc kernel: hdf: command error: error=0x54 {
> AbortedCommand LastFailedSense=0x05 }
> Mar 24 23:21:18 mypc kernel: ide: failed opcode was: unknown
> Mar 24 23:21:18 mypc kernel: ATAPI device hdf:
> Mar 24 23:21:18 mypc kernel:   Error: Illegal request -- (Sense key=0x05)
> Mar 24 23:21:18 mypc kernel:   Logical block address out of range --
> (asc=0x21, ascq=0x00)
> Mar 24 23:21:18 mypc kernel:   The failed "Read 10" packet command was:
> Mar 24 23:21:18 mypc kernel:   "28 00 00 13 36 38 00 00 01 00 00 00 00
> 00 00 00 "
> Mar 24 23:21:18 mypc kernel: end_request: I/O error, dev hdf, sector 5036256
> Mar 24 23:21:18 mypc kernel: hdf: command error: status=0x51 {
> DriveReady SeekComplete Error }
> Mar 24 23:21:18 mypc kernel: hdf: command error: error=0x54 {
> AbortedCommand LastFailedSense=0x05 }
> Mar 24 23:21:18 mypc kernel: ide: failed opcode was: unknown
> Mar 24 23:21:18 mypc kernel: ATAPI device hdf:
> Mar 24 23:21:18 mypc kernel:   Error: Illegal request -- (Sense key=0x05)
> Mar 24 23:21:18 mypc kernel:   Logical block address out of range --
> (asc=0x21, ascq=0x00)
> Mar 24 23:21:18 mypc kernel:   The failed "Read 10" packet command was:
> Mar 24 23:21:18 mypc kernel:   "28 00 00 13 36 39 00 00 3f 00 00 00 00
> 00 00 00 "
> Mar 24 23:21:18 mypc kernel: end_request: I/O error, dev hdf, sector 5036260
> 
> -- 
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-- 

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