udev creates a wrong link for the cdrom device

udev creates a wrong link for the cdrom device

[jonathan]

Hey,

I've some problems setting up the udev rules for my cdrom-drive. 
Actually the settings should work but the /dev/cdrom device is always 
linked to /dev/sda2 though my cdrom is /dev/hdb.

lrwxrwxrwx 1 root root     4 Dec 27 17:10 /dev/cdrom -> sda2
brw-rw---- 1 root disk 3, 64 Dec 27 17:10 /dev/hdb

my udev-rules look like this:

ACTION="add", SUBSYSTEM="block", ENV(ID_TYPE)="cd", SYMLINK+="cdrom 
dvd", GROUP="cdrom"

I've already tried to use ENV(ID_MODEL) and ENV(ID_SERIAL) but it didnt 
worked either.

I've noticed that it doesnt take any effect if I comment this rule, so 
maybe udev doesnt recognize it. The rule is placed in 
/etc/udev/rules.d/82-cdrom.rules, the same place where all the other 
rules are.

So maybe Im just too stupid to see the failure or maybe its a but. I 
hope someone of you can help me.

Thanks in advance,

Jonathan

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Re: udev creates a wrong link for the cdrom device

[MUNEDA Takahiro]

At Wed, 27 Dec 2006 17:30:34 +0100 (MET),
jonathan <jonathan.schluessler@gmx.de> wrote:
> 
> Hey,
> 
> I've some problems setting up the udev rules for my cdrom-drive. 
> Actually the settings should work but the /dev/cdrom device is always 
> linked to /dev/sda2 though my cdrom is /dev/hdb.
> 
> lrwxrwxrwx 1 root root     4 Dec 27 17:10 /dev/cdrom -> sda2
> brw-rw---- 1 root disk 3, 64 Dec 27 17:10 /dev/hdb
> 
> my udev-rules look like this:
> 
> ACTION="add", SUBSYSTEM="block", ENV(ID_TYPE)="cd", SYMLINK+="cdrom 
> dvd", GROUP="cdrom"
> 
> I've already tried to use ENV(ID_MODEL) and ENV(ID_SERIAL) but it didnt 
> worked either.
> 
> I've noticed that it doesnt take any effect if I comment this rule, so 
> maybe udev doesnt recognize it. The rule is placed in 
> /etc/udev/rules.d/82-cdrom.rules, the same place where all the other 
> rules are.
> 
> So maybe Im just too stupid to see the failure or maybe its a but. I 
> hope someone of you can help me.

How about this one?
Replace from ( ) to { }.

ACTION="add", SUBSYSTEM="block", ENV{ID_TYPE}="cd", SYMLINK+="cdrom dvd", GROUP="cdrom"
                                      ^       ^

Thanks,
MUNE

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