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dvd/cdrw issues - SOLVED
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paramthegreat
Tux's lil' helper
Tux's lil' helper


Joined: 12 Aug 2002
Posts: 78

PostPosted: Mon Dec 26, 2005 7:47 pm    Post subject: dvd/cdrw issues - SOLVED Reply with quote

Hi All,

I am running a Dell Inspiron 1100 with gentoo kernel 2.6.14-r9. For the past sometime I have been having strange problem with my CDRW/DVD combo. I can successfully read every single kind of cd media - cd-r, cdrw, multisession cdrw.

but when it comes to dvds, sometime (actually quite offen) i am unable to mount the dvds. i have problems mounting dvd movies, dvd+r, dvd-r, dvd-rw, dvd+rw media regardless of whether they are multisession or no. however, if i reboot gentoo with the dvd still in the drive, then after reboot i can sometimes read the drive. on unsuccessful mount attempts, i get the error message:

Code:

mount: block device /dev/hdc is write-protected, mounting read-only
mount: wrong fs type, bad option, bad superblock on /dev/hdc,
       missing codepage or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so


the above message is generated even if i try to specify filesystems such as udf, iso9660.

i also have a winxp dual boot and i can read all my cd as well as dvd media without any problems.

could someone pls point what could be the problem.
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guptaparminder at yahoo dot com


Last edited by paramthegreat on Wed Apr 12, 2006 4:06 pm; edited 1 time in total
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mmbrothers
Apprentice
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Joined: 24 Dec 2005
Posts: 224
Location: Boston

PostPosted: Mon Dec 26, 2005 7:53 pm    Post subject: Reply with quote

Can you post the relevant output from dmesg after you get one of these errors?
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KanX
n00b
n00b


Joined: 08 Apr 2006
Posts: 7

PostPosted: Sun Apr 09, 2006 11:12 am    Post subject: Reply with quote

i have the same problem, i wonder if it's grub in that it all started when i changed my bootloader, anyway, i guess i'll have to fire up my live cd and see if it works there.
oh and yeah i don't want to reinstall the entire os over again (i've already done it 4 times during this week :lol:)
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paramthegreat
Tux's lil' helper
Tux's lil' helper


Joined: 12 Aug 2002
Posts: 78

PostPosted: Wed Apr 12, 2006 4:05 pm    Post subject: my 2 cents Reply with quote

hi all,

i am sorry that i have not posted back here once the problem was resolved. the following were the cause of my problem:
  • i had compiled scsi-cdrw support into my kernel.
  • in the grub boot loader i was passing ide-scsi=hdb (pointing to my cdrw) on boot.


These 2 above were causing problems with my drives. i have removed ide-scsi or similar paramteres from my boot. you do not need any scsi support anymore to burn cds, just use -dev atapi:0:0:0 or similar. i left the filesystem as auto in /etc/fstab for cdrw drives and it works like a charm

hope this help.
thanx,
parminder
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Parminder
guptaparminder at yahoo dot com
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