From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bryan Kadzban <bryan@kadzban.is-a-geek.net>
Date: Thu, 03 May 2007 11:12:42 +0000
Subject: Re: udev problem DVB-S/T Cards
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Razza wrote:
> I have located path_id which is in /sbin on Fedora core 5

Hmm; it should be in /lib/udev AFAIK.  But maybe this doesn't matter.

> there are some pretty long case statements in there (one I counted
> had 47 lines!),

Yeah, it's complicated.  But I don't think we can do much about that...

> the simplest and last I could find is -
>=20
> case "$TYPE" in
>         block)
>         handle_block
>         ;;
>         *)
>         RESULT=3D1
>         ;;
> esac

That should be the right case, but that doesn't look like the current
version of the script.  The script from udev-110 looks like this:

case "$TYPE" in
    block)
        handle_device
        echo "ID_PATH=3D$d"
        ;;
    scsi_tape)
        handle_device
        echo "ID_PATH=3D$d"
        ;;
    input)
        handle_device
        echo "ID_PATH=3D$d"
        ;;
    *)
        RESULT=3D1
        ;;
esac

And then it's followed by:

exit $RESULT

But I don't think it's safe to modify the script that you have unless it
has a case that matches this layout (because the script you have is
quite different from mine, so I don't think my modifications are valid
for your system).  Is it possible to get an updated udev?  I know that
the path_id script from udev-105 should work with the changes I posted
last night, and I know -110 should too, so I assume anything between
those two should also work.

(But use a distro version of udev, not the sources.  The sources will
put the path_id script in /lib/udev, and it sounds like your distro
already has that script somewhere else.  There will probably be other
issues too.)

> I'm not even sure if I have the right path_id file, the commented
> section at the top of path_id states "provide the shortest possible
> unique hardware path to a block device for the udev persistent disk
> device naming scheme" - clearly i'm not playing with block devices.

No, but that is the right script.  :-)  When it was first created, it
only handled block devices, but other stuff can be added.


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