[mdlug] Unable to mount a dvd on a drive which was used to write it.

[R KANNAN]

Ubuntu 12.04

I will need to install pmount and try what you have suggested. For
now, I can burn using 'k3b' as any user and mount as 'root.

Thanks

On Sun, Feb 17, 2013 at 11:28 AM, Jeff Hanson <jhansonxi at gmail.com> wrote:
> Sounds like a permissions problem with the mounting system.  Which distro?
>
>
> The medium error could be resolved by reducing drive speed with hdparm but
> I'm not sure if that is the cause of your problem or a symptom.
> http://ubuntuforums.org/showthread.php?t=1729822
>
> You could also try mounting it as the user with pmount and manually specify
> the filesystem:
> pmount -r -t iso9660 /dev/sr0 cdrom
>
> To umount it:
> pumount /dev/sr0
>
> (ref:
> http://www.linux.com/community/forums/storage/how-to-enable-joliet-file-system-support/limit/20/offset/0
> )
>
>
>
> On Sun, Feb 17, 2013 at 8:48 AM, R KANNAN <rk111810 at gmail.com> wrote:
>
>> Hi,
>>
>> Thanks for the help. Please see my comments below.
>>
>> I found that I could mount other DVDs on the 'bad' drive (which have
>> been burnt using the 'good' drive)  as root.
>>
>> The only problem I seem to have is to mount a DVD that has been burnt
>> on the same drive as 'user'
>>
>>
>> On Sat, Feb 16, 2013 at 7:42 PM, David Wood <dwood169 at gmail.com> wrote:
>> > Did you close the disc after burning or leave the session open to add
>> more
>> > data?
>> I am not sure what you mean by close the disk. You mean close 'k3b'. I
>> am not burning a multi-session DVD.
>>
>> > Is this problem with everything you burn using that drive?
>>
>> Seems to be but note that I can mount the DVDs burnt on this 'bad'
>> drive on the 'good' drive fine.
>>
>> > Are you running verify after the burn and if so what does that say?
>>
>> No I did not in this case. I can try doing it.
>> >
>> > David Wood
>> > On Feb 16, 2013 11:18 AM, "R KANNAN" <rk111810 at gmail.com> wrote:
>> >
>> >> Hi
>> >>
>> >> I am having problem mounting a dvd created by the same drive. It never
>> >> gets mounted using the drive on which it was burnt.
>> >>
>> >> The fstab entry for the drive says
>> >>
>> >> /dev/sr1     /media/bd   auto       ro,noauto,user,exec   0 0
>> >>
>> >> After I run the mount comand, I cannot see the contents of the drive
>> >> under /media/dvd
>> >>
>> >> But the /etc/mtab entry for the drive says..
>> >>
>> >> [/dev/sr0 /media/dvd iso9660 ro,nosuid,nodev,user=kannan 0 0
>> >>
>> >> though k3b seems to recognize the drive and seems to burn fine.
>> >>
>> >> dmesg gives the following
>> >>
>> >> [82781.096825] ISO 9660 Extensions: Microsoft Joliet Level 3
>> >> [82781.101096] ISO 9660 Extensions: RRIP_1991A
>> >> [83018.385013] sr 4:0:0:0: [sr0] Unhandled sense code
>> >> [83018.385026] sr 4:0:0:0: [sr0]  Result: hostbyte=DID_OK
>> >> driverbyte=DRIVER_SENSE
>> >> [83018.385030] sr 4:0:0:0: [sr0]  Sense Key : Medium Error [current]
>> >> [83018.385034] Info fld=0xe
>> >> [83018.385035] sr 4:0:0:0: [sr0]  Add. Sense: Unrecovered read error
>> >> [83018.385040] sr 4:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 0e 00 00
>> 02
>> >> 00
>> >> [83018.385047] end_request: I/O error, dev sr0, sector 56
>> >> [83018.385051] quiet_error: 24 callbacks suppressed
>> >> [83018.385054] Buffer I/O error on device sr0, logical block 7
>> >> [83021.457713] ISO 9660 Extensions: Microsoft Joliet Level 3
>> >> [83021.462417] ISO 9660 Extensions: RRIP_1991A
>> >>
>> >> I can mount the dvd fine using another drive on the same box.
>> >>
>> >> Any ideas.
>> >>
>> >> TIA for any help.
>> >> _______________________________________________
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>> >>
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