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Cant get Mandriva 2009 to read DVD

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Peter Perkins

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Dec 10, 2008, 3:57:45 AM12/10/08
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After half a day playing with "fstab" I am miffed at the inability of
the latest release to mount and read any DVD - No trouble reading the
same DVD's with Windows using the same hardware. Any entries about the
DVD burner are removed automagically from "fstab" on reboot, so there
are no entries there. Any help would be appreciated.

This is my syslog

Dec 10 19:19:01 localhost kernel: ISO 9660 Extensions: Microsoft Joliet
Level 3
Dec 10 19:19:01 localhost kernel: sr 1:0:0:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Dec 10 19:19:01 localhost kernel: sr 1:0:0:0: [sr0] Sense Key : Hardware
Error [current]
Dec 10 19:19:01 localhost kernel: sr 1:0:0:0: [sr0] Add. Sense: Logical
unit communication CRC error (Ultra-DMA/32)
Dec 10 19:19:01 localhost kernel: end_request: I/O error, dev sr0,
sector 112
Dec 10 19:19:01 localhost kernel: ISOFS: unable to read i-node block
Dec 10 19:19:01 localhost kernel: isofs_fill_super: get root inode failed
Dec 10 19:19:45 localhost kernel: sr 1:0:0:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Dec 10 19:19:45 localhost kernel: sr 1:0:0:0: [sr0] Sense Key : Hardware
Error [current]
Dec 10 19:19:45 localhost kernel: sr 1:0:0:0: [sr0] Add. Sense: Logical
unit communication CRC error (Ultra-DMA/32)
Dec 10 19:19:45 localhost kernel: end_request: I/O error, dev sr0, sector 8
Dec 10 19:19:45 localhost kernel: __ratelimit: 4 callbacks suppressed
Dec 10 19:19:45 localhost kernel: Buffer I/O error on device sr0,
logical block 1
Dec 10 19:19:45 localhost kernel: Buffer I/O error on device sr0,
logical block 2
Dec 10 19:19:45 localhost kernel: Buffer I/O error on device sr0,
logical block 3
Dec 10 19:19:45 localhost kernel: Buffer I/O error on device sr0,
logical block 4
Dec 10 19:19:45 localhost kernel: Buffer I/O error on device sr0,
logical block 5
Dec 10 19:19:45 localhost kernel: Buffer I/O error on device sr0,
logical block 6
Dec 10 19:19:45 localhost kernel: Buffer I/O error on device sr0,
logical block 7
Dec 10 19:19:45 localhost kernel: Buffer I/O error on device sr0,
logical block 8
Dec 10 19:19:45 localhost kernel: Buffer I/O error on device sr0,
logical block 9
Dec 10 19:19:45 localhost kernel: Buffer I/O error on device sr0,
logical block 10
Dec 10 19:19:45 localhost kernel: sr 1:0:0:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Dec 10 19:19:45 localhost kernel: sr 1:0:0:0: [sr0] Sense Key : Hardware
Error [current]
Dec 10 19:19:45 localhost kernel: sr 1:0:0:0: [sr0] Add. Sense: Logical
unit communication CRC error (Ultra-DMA/32)
Dec 10 19:19:45 localhost kernel: end_request: I/O error, dev sr0,
sector 528
Dec 10 19:19:45 localhost kernel: sr 1:0:0:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Dec 10 19:19:45 localhost kernel: sr 1:0:0:0: [sr0] Sense Key : Hardware
Error [current]
Dec 10 19:19:45 localhost kernel: sr 1:0:0:0: [sr0] Add. Sense: Logical
unit communication CRC error (Ultra-DMA/32)
Dec 10 19:19:45 localhost kernel: end_request: I/O error, dev sr0,
sector 528
Dec 10 19:19:45 localhost kernel: sr 1:0:0:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Dec 10 19:19:45 localhost kernel: sr 1:0:0:0: [sr0] Sense Key : Hardware
Error [current]
Dec 10 19:19:45 localhost kernel: sr 1:0:0:0: [sr0] Add. Sense: Logical
unit communication CRC error (Ultra-DMA/32)
Dec 10 19:19:45 localhost kernel: end_request: I/O error, dev sr0,
sector 528
Dec 10 19:19:45 localhost kernel: sr 1:0:0:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Dec 10 19:19:45 localhost kernel: sr 1:0:0:0: [sr0] Sense Key : Hardware
Error [current]
Dec 10 19:19:45 localhost kernel: sr 1:0:0:0: [sr0] Add. Sense: Logical
unit communication CRC error (Ultra-DMA/32)
Dec 10 19:19:45 localhost kernel: end_request: I/O error, dev sr0, sector 8
Dec 10 19:19:46 localhost kernel: sr 1:0:0:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Dec 10 19:19:46 localhost kernel: sr 1:0:0:0: [sr0] Sense Key : Hardware
Error [current]
Dec 10 19:19:46 localhost kernel: sr 1:0:0:0: [sr0] Add. Sense: Logical
unit communication CRC error (Ultra-DMA/32)
Dec 10 19:19:46 localhost kernel: end_request: I/O error, dev sr0,
sector 528
Dec 10 19:19:46 localhost kernel: sr 1:0:0:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Dec 10 19:19:46 localhost kernel: sr 1:0:0:0: [sr0] Sense Key : Hardware
Error [current]
Dec 10 19:19:46 localhost kernel: sr 1:0:0:0: [sr0] Add. Sense: Logical
unit communication CRC error (Ultra-DMA/32)
Dec 10 19:19:46 localhost kernel: end_request: I/O error, dev sr0,
sector 528
Dec 10 19:19:46 localhost kernel: sr 1:0:0:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Dec 10 19:19:46 localhost kernel: sr 1:0:0:0: [sr0] Sense Key : Hardware
Error [current]
Dec 10 19:19:46 localhost kernel: sr 1:0:0:0: [sr0] Add. Sense: Logical
unit communication CRC error (Ultra-DMA/32)
Dec 10 19:19:46 localhost kernel: end_request: I/O error, dev sr0,
sector 528
Dec 10 19:21:37 localhost ntpd[3359]: synchronized to LOCAL(0), stratum 10
Dec 10 19:21:37 localhost ntpd[3359]: kernel time sync status change 0001
Dec 10 19:22:09 localhost kernel: sr 1:0:0:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Dec 10 19:22:09 localhost kernel: sr 1:0:0:0: [sr0] Sense Key : Hardware
Error [current]
Dec 10 19:22:09 localhost kernel: sr 1:0:0:0: [sr0] Add. Sense: Logical
unit communication CRC error (Ultra-DMA/32)
Dec 10 19:22:09 localhost kernel: end_request: I/O error, dev sr0,
sector 64
Dec 10 19:22:09 localhost kernel: isofs_fill_super: bread failed,
dev=sr0, iso_blknum=16, block=16

Paul Brennan

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Dec 10, 2008, 4:25:39 AM12/10/08
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Have a look here:-

http://forum.mandriva.com/viewtopic.php?t=100169

Peter Perkins

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Dec 10, 2008, 4:39:36 PM12/10/08
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Thanks Paul. I plugged in the 80 channel ribbon cable after removing the
old 40 connector and everything now works like a charm. Wow, who would
have thought that this was the problem. Even burning with Windows was
painful before, now its a dream. Slowly working through problems with
the latest Mandriva release - another one down.
Thanks again.
Peter

David W. Hodgins

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Dec 12, 2008, 6:26:30 PM12/12/08
to
On Wed, 10 Dec 2008 16:39:36 -0500, Peter Perkins <rete...@tpg.com.au> wrote:

> Thanks Paul. I plugged in the 80 channel ribbon cable after removing the
> old 40 connector and everything now works like a charm. Wow, who would

> Paul Brennan wrote:
>> http://forum.mandriva.com/viewtopic.php?t=100169

Just so the complete solution is available in the thread ...

The above forum article links to ...
http://bugzilla.kernel.org/show_bug.cgi?id=12092

The problem is in the libata module determining what speed to use in
communications with the dvd. It incorrectly detects a 40 pin, 40 wire
ide cable as a 40 pin, 80 wire, cable. The 80 wire cable is needed for
speeds over UDMA/33.

The fix is to either replace the 40 wire cable with an 80 wire cable, or
to add a line to /etc/modprobe.conf with ...
options pata_sis libata.force=2:udma33

which will force the speed to be limited to udma33.

Regards, Dave Hodgins

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