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Kenji Miyamoto
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PostPosted: Mon Jun 06, 2005 5:11 am    Post subject: CD Not Detected Reply with quote

I recently attempted to rip a track from an audio CD, which got an error. I then had to eject the CD. When I inserted the CD again, the drive didn't seem to detect it. No program can access /dev/sr0. What happened?
Quote:
CDROM read or access error (or no audio disk in drive).
Please make sure you have access permissions to:
/dev/sr0
EDIT: It doesn't even work after a reboot.
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kernelsensei
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PostPosted: Mon Jun 06, 2005 7:13 am    Post subject: Reply with quote

do you have the right perms ?

Code:
ls -l /dev/sr0


thanls.
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$ ruby -e'puts " .:@BFegiklnorst".unpack("x4ax7aaX6ax5aX15ax4aax6aaX7ax2aX5aX8 \
axaX3ax8aX4ax6aX3aX6ax3ax3aX9ax4ax2aX9axaX6ax3aX2ax4ax3aX4aXaX12ax10aaX7a").join'
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Kenji Miyamoto
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PostPosted: Mon Jun 06, 2005 1:00 pm    Post subject: Reply with quote

Yes, I do:
Code:
bash-2.05b$ ls -l /dev/sr0
lrwxrwxrwx  1 root portage 4 Jun  6 05:36 /dev/sr0 -> scd0
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kernelsensei
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PostPosted: Mon Jun 06, 2005 1:08 pm    Post subject: Reply with quote

it looks like scd0 is the target ..

what says
Code:
ls -l /dev/scd0
:?:

(if it's a link again, follow the link, until you arrive to the real device )
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$ ruby -e'puts " .:@BFegiklnorst".unpack("x4ax7aaX6ax5aX15ax4aax6aaX7ax2aX5aX8 \
axaX3ax8aX4ax6aX3aX6ax3ax3aX9ax4ax2aX9axaX6ax3aX2ax4ax3aX4aXaX12ax10aaX7a").join'
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Kenji Miyamoto
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PostPosted: Mon Jun 06, 2005 1:18 pm    Post subject: Reply with quote

Code:
bash-2.05b$ ls -l /dev/scd0
brw-rw----  1 neil cdrw 11, 0 May 28 12:12 /dev/scd0
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kernelsensei
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PostPosted: Mon Jun 06, 2005 1:21 pm    Post subject: Reply with quote

are you in the group cdrw ? And what is the user neil ?

do you use udev or devfs ?

try to empty (not delete) /etc/security/console.perms

this solves some problems sometimes
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$ ruby -e'puts " .:@BFegiklnorst".unpack("x4ax7aaX6ax5aX15ax4aax6aaX7ax2aX5aX8 \
axaX3ax8aX4ax6aX3aX6ax3ax3aX9ax4ax2aX9axaX6ax3aX2ax4ax3aX4aXaX12ax10aaX7a").join'
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Kenji Miyamoto
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PostPosted: Mon Jun 06, 2005 9:27 pm    Post subject: Reply with quote

There is no group "cdrw". "neil" is my user. I'm using udev.
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kernelsensei
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PostPosted: Mon Jun 06, 2005 9:32 pm    Post subject: Reply with quote

Kenji Miyamoto wrote:
There is no group "cdrw". "neil" is my user. I'm using udev.


does the ripping work if you do
Code:
chmod 666 /dev/scd0
:?:
_________________
$ ruby -e'puts " .:@BFegiklnorst".unpack("x4ax7aaX6ax5aX15ax4aax6aaX7ax2aX5aX8 \
axaX3ax8aX4ax6aX3aX6ax3ax3aX9ax4ax2aX9axaX6ax3aX2ax4ax3aX4aXaX12ax10aaX7a").join'
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Kenji Miyamoto
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PostPosted: Mon Jun 06, 2005 10:17 pm    Post subject: Reply with quote

It apparently works as-is, using Asunder. I wonder why nothing else worked.
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kernelsensei
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PostPosted: Mon Jun 06, 2005 10:22 pm    Post subject: Reply with quote

Kenji Miyamoto wrote:
It apparently works as-is, using Asunder. I wonder why nothing else worked.


did you empty /etc/security/console.perms ?

you said that the group cdrw doesn't exist, then why does /dev/scd0 belong to this group ?

check your udev configuration
_________________
$ ruby -e'puts " .:@BFegiklnorst".unpack("x4ax7aaX6ax5aX15ax4aax6aaX7ax2aX5aX8 \
axaX3ax8aX4ax6aX3aX6ax3ax3aX9ax4ax2aX9axaX6ax3aX2ax4ax3aX4aXaX12ax10aaX7a").join'
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