raw1394, good right for all during startup ?

beejunk at gmail.com beejunk at gmail.com
Mon Apr 20 17:58:20 BST 2009

On Apr 20, 2009 11:35am, Luis de Bethencourt <luisbg at ubuntu.com> wrote:
> On Mon, Apr 20, 2009 at 5:02 PM, laurent.bellegarde

> laurent.bellegarde at free.fr> wrote:

> > Cory K. a écrit :

> >> I /believe/ a fix for Ubuntu Studio Controls was just accepted for  
> this.

> >> Can anyone confirm?

> >>

> >>

> >> -Cory K.

Well, it's getting there. . .

First off, I can confirm that on my box, Ubuntu Studio Controls is now  
editing /lib/udev/rules.d/50-udev-default.rules. Something a little odd  
happened in my case, though. USC removed the line that said "#firewire  
device" (or something similar. You know, the comment line that says what  
device is affected) and replaced it with KERNEL=="raw1394", GROUP="disk",  
which should in theory be fine, except that it did not remove the  
KERNEL=="raw1394" line that is there by default, directly below that line,  
which places raw1394 in the 'video' group. Whether or not this matters, it  
did not work for me and I could not start JACK. So, I went ahead and  
removed that default KERNEL=="raw1394" line to see if that worked, and  
after restarting the computer, the group for /dev/raw1394 had indeed  
changed to "disk". That's a step forward, except that this still did not  
work, and I could not start JACK. Is there any reason /dev/raw1394 being  
owned by 'disk' would not give me the right permissions?

Anyway, I then just did what I usually have to do, which is to change the  
line to say GROUP="audio", put myself in the 'audio' group, and voila, it  
works again.

Hope this helps.


Hope that helps.
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