eject: unable to find or open device for: `cdrom'

[Paul Smith]

On Tue, Sep 9, 2008 at 3:18 PM, Mikkel L. Ellertson
<mikkel at infinity-ltd.com> wrote:
> Paul Smith wrote:
>> Thanks, Mikkel, but my /etc/udev/rules.d/70-persistent-cd.rules does
>> not look as you describe:
>>
>> # more /etc/udev/rules.d/70-persistent-cd.rules
>> # This file was automatically generated by the /lib/udev/write_cd_rules
>> # program, probably run by the cd-aliases-generator.rules rules file.
>> #
>> # You can modify it, as long as you keep each rule on a single line
>> # and set the $GENERATED variable.
>>
>> # DVD_RW_ND-3520A (pci-0000:04:06.0-scsi-0:0:1:0)
>> ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:04:06.0-scsi-0:0:1:0",
>> SYMLINK+="cdrom", ENV{GENERATED}="1"
>> ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:04:06.0-scsi-0:0:1:0",
>> SYMLINK+="cdrw", ENV{GENERATED}="1"
>> ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:04:06.0-scsi-0:0:1:0",
>> SYMLINK+="dvd", ENV{GENERATED}="1"
>> ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:04:06.0-scsi-0:0:1:0",
>> SYMLINK+="dvdrw", ENV{GENERATED}="1"
>> #  (pci-0000:00:1f.2-scsi-1:0:1:0)
>> ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:00:1f.2-scsi-1:0:1:0",
>> SYMLINK+="cdrom1", ENV{GENERATED}="1"
>> ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:00:1f.2-scsi-1:0:1:0",
>> SYMLINK+="cdrw1", ENV{GENERATED}="1"
>> ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:00:1f.2-scsi-1:0:1:0",
>> SYMLINK+="dvd1", ENV{GENERATED}="1"
>> ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:00:1f.2-scsi-1:0:1:0",
>> SYMLINK+="dvdrw1", ENV{GENERATED}="1"
>> #
>>
>> Paul
>>
> It looks like you changed where the the drive was plugged in. I
> guess my explanation left something to be desired. I should have
> provided an example to make it clear what I was talking about. In
> any case, you can change it as shown below.
>
> Change it to:
>
> # more /etc/udev/rules.d/70-persistent-cd.rules
> # This file was automatically generated by the /lib/udev/write_cd_rules
> # program, probably run by the cd-aliases-generator.rules rules file.
> #
> # You can modify it, as long as you keep each rule on a single line
> # and set the $GENERATED variable.
>
> # DVD_RW_ND-3520A (pci-0000:00:1f.2-scsi-1:0:1:0)
> ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:00:1f.2-scsi-1:0:1:0",
>  SYMLINK+="cdrom", ENV{GENERATED}="1"
>
> ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:00:1f.2-scsi-1:0:1:0",
>  SYMLINK+="cdrom0", ENV{GENERATED}="1"
>
> ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:00:1f.2-scsi-1:0:1:0",
>  SYMLINK+="cdrw0", ENV{GENERATED}="1"
>
> ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:00:1f.2-scsi-1:0:1:0",
>  SYMLINK+="dvd0", ENV{GENERATED}="1"
>
> ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:00:1f.2-scsi-1:0:1:0",
>  SYMLINK+="dvdrw0", ENV{GENERATED}="1"
>
> You will have to remove the line wrap cause by the long lines. I put
> a blank line between rules to make that easier. One of the comments
> is also wrapped, but that is easy to see. Do you understand the
> change I was talking about?

Thanks, Mikkel. You have solved the problem with the above
/lib/udev/write_cd_rules file.

I also thank Aaron for his contribution.

Paul