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Thread: cdrom problem on new install

  1. #1
    muravei NNTP User

    Default cdrom problem on new install

    greetings:

    i just did a new install to a not-new iBook g4.
    i've got a little experience with linux but it's been a few years and i'm beginning to notice things have changed here and there.

    anyways, i am confused out my mind about where my cd/dvd drive went.i did some reading and it seems i'm not the first. Here's what i've tried / what happens:

    1) system info and device notifier know nothing.
    1a) they also "know nothing" about the network, and it seems to work ok, so maybe they're poorly informed?
    2) however, 'eject' works just fine
    3) ls -l /dev/sr0 produces "no such file or directory"
    4) kscd crashes before it even loads
    5) k3b used to say i am missing a drive; after adding user to disk and cdrom groups, this went away (other 4 remain)

    i referenced Solved : K3b Problem with Normal User on openSUSE 11.1 | Spirit of Change
    and have tried:
    1) adding users to cdrom and disk --some improvement
    2)create /etc/udev/rules.d/99-my.rules file with the following entry : KERNEL==”sr*[0-9]“, GROUP=”cdrom”, MODE=”0660″ and then reboot --no visible effect
    3)Patch /usr/share/PolicyKit/policy/org.freedesktop.hal.device-access.policy --no visible effect
    4)reboot at every in-between

    What bugs me the most is, what/why/where's /dev/sr0? how come /dev/hdc doesn't mount anywhere? What is going on here?

    -----------------------------------------------
    And this is what my fstab looks like, although to be honest i'm afraid to mess with it:
    cat /etc/fstab
    /dev/disk/by-id/ata-Hitachi_IC25N060ATMR04-0_MRG326K3GDDK8H-part3 swap swap defaults 0 0
    /dev/disk/by-id/ata-Hitachi_IC25N060ATMR04-0_MRG326K3GDDK8H-part4 / ext3 acl,user_xattr 1 1
    /dev/disk/by-id/ata-Hitachi_IC25N060ATMR04-0_MRG326K3GDDK8H-part5 /home ext3 acl,user_xattr 1 2
    proc /proc proc defaults 0 0
    sysfs /sys sysfs noauto 0 0
    debugfs /sys/kernel/debug debugfs noauto 0 0
    usbfs /proc/bus/usb usbfs noauto 0 0
    devpts /dev/pts devpts mode=0620,gid=5 0 0
    ______________________________________________

    somebody hepl?

  2. #2

    Default Re: cdrom problem on new install

    the standard place where you find the dvd player in opensuse for me has always been it gets mounted automatically to

    /media/dvd

  3. #3
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    Default Re: cdrom problem on new install

    CD-ROM/DVD drives no longer require an fstab entry. They are normally handled via udev/hal. You don't say which version of openSUSE you're using, or which desktop. If using KDE4 for example, you won't see any notification (unless you've installed a widget to do so) when you insert a data CD/DVD. The Dolphin file manager will show a device icon in the left-hand panel. You can click on this, to mount the file system contained. It will then mount within /media (as mentioned by previous poster).

    However, this does concern me

    3) ls -l /dev/sr0 produces "no such file or directory
    I would have thought you would get something like this returned

    dean@linux:~> ls -l /dev/sr0
    brw-rw----+ 1 root disk 11, 0 2009-08-25 07:54 /dev/sr0
    Makes me wonder if you have a driver issue...

    What does this command return?

    /usr/sbin/hwinfo --cdrom

  4. #4
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    Default Re: cdrom problem on new install

    I could be on the wrong track here, but after quick google (nearly bed time for me here in NZ), I found this Ubuntu thread.

    Try issuing this command from a terminal as root

    modprobe ide-scsi

    Then do

    ls -l /dev/sr0

    If all is well, try inserting a data CD and see how that goes.

  5. #5
    muravei NNTP User

    Default Re: cdrom problem on new install

    hi everyone!

    deano_ferrari: I am using opensuse 11.1 (ppc)/KDE 4.1.3 "release 4.9".

    i did:
    1)modprobe ide-scsi
    i could swear it took an hour to kick in...or else after i read dmesg. weird.

    now:
    1)ls -l /dev/sr0
    brw-rw---- 1 root disk 11, 0 2009-08-24 08:38 /dev/sr0
    2) /usr/bin/hwinfo --cdrom
    bash: /usr/bin/hwinfo: No such file or directory
    3) eject no longer works - user or root. i now have a disk stuck in the drive - lets see if it comes out at reboot

    4) >Dolphin file manager will show a device icon in the left-hand panel
    negative, i only have: home, network, root, trash
    >...when you insert a data CD/DVD
    no luck with: audio cd, data cd, movie dvd, USB thumb drive.

    So the good news is, now i have a /dev/sr0
    dmesg says:
    <code>hdc: ATAPI 24X DVD-ROM CD-R/RW drive, 2048kB Cache
    Uniform CD-ROM driver Revision: 3.20
    sr0: scsi3-mmc drive: 8x/40x writer xa/form2 cdda tray
    sr 0:0:0:1: Attached scsi CD-ROM sr0 </code>

    I have no idea what to do next.

    Thanks for your help.

  6. #6
    muravei NNTP User

    Default Re: cdrom problem on new install

    Quote Originally Posted by gregosmith View Post
    the standard place where you find the dvd player in opensuse for me has always been it gets mounted automatically to

    /media/dvd
    gregosmith:

    ls -l /media/dvd
    ls: cannot access /media/dvd: No such file or directory

  7. #7
    muravei NNTP User

    Default Re: cdrom problem on new install

    update:

    the /dev/sr0 was a false alarm, it was a iso image i had on the USB thumb drive.

    no usb - no /dev/sr0

    back to square one.

  8. #8
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    Default Re: cdrom problem on new install

    You typed

    2) /usr/bin/hwinfo --cdrom
    bash: /usr/bin/hwinfo: No such file or directory
    The correct path and command was

    /usr/sbin/hwinfo --cdrom

    Try again with the following commands

    modprobe ide-scsi (as root)
    ls -l /dev/sr0

    Report output of last command. We'll go from there.

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