Results 1 to 5 of 5

Thread: raw1394 permissions resets after restart

  1. #1
    Join Date
    Jul 2008
    Location
    Sydney, Australia
    Beans
    89
    Distro
    Ubuntu 8.04 Hardy Heron

    raw1394 permissions resets after restart

    Hi. I use kino for dv capture & managed to bypass the raw1394 problem by changing its permissions from root to master (ie me) via sudo nautilus. That is fine but every time I restart Ubuntu, raw1394 permissions reverted back to root.

    Is there any way to change permissions permanently ?

    Thanks
    Cannibalised parts : mobo Gigabyte 8S661FXMP-RZ, 2x512MB DDR RAM, Intel P4 1.8A GHz, Excalibur ATI Radeon 7500LE 64MB (RV200QW), 2x500G SATA WDC, 2x300G PATA Maxtor, 1x160G PATA ST, Lite-On DVDRW, onboard sound, Thermaltake Toughpower 750W.

  2. #2
    Join Date
    Jul 2008
    Location
    Sydney, Australia
    Beans
    89
    Distro
    Ubuntu 8.04 Hardy Heron

    Re: raw1394 permissions resets after restart

    anyone ?
    Cannibalised parts : mobo Gigabyte 8S661FXMP-RZ, 2x512MB DDR RAM, Intel P4 1.8A GHz, Excalibur ATI Radeon 7500LE 64MB (RV200QW), 2x500G SATA WDC, 2x300G PATA Maxtor, 1x160G PATA ST, Lite-On DVDRW, onboard sound, Thermaltake Toughpower 750W.

  3. #3
    Join Date
    Dec 2006
    Location
    Melbourne, Australia
    Beans
    431

    Re: raw1394 permissions resets after restart

    Have a look at:

    https://help.ubuntu.com/community/Firewire

    Particularly Method 5 which is nearly at the bottom of the page.

    Rob

  4. #4
    Join Date
    Sep 2007
    Location
    Plymouth UK
    Beans
    17

    Thumbs down Re: raw1394 permissions resets after restart

    Quote Originally Posted by dreamerman View Post
    hi. I use kino for dv capture & managed to bypass the raw1394 problem by changing its permissions from root to master (ie me) via sudo nautilus. That is fine but every time i restart ubuntu, raw1394 permissions reverted back to root.

    Is there any way to change permissions permanently ?

    Thanks
    sudo chown username /dev/raw1394

  5. #5
    Join Date
    Nov 2008
    Beans
    9

    Cool Re: raw1394 permissions resets after restart

    Funny indeed, dev/raw1394 seems to be recreated upon each restart, with default owner:group (root:disk) and default permissions (660).

    What you can still do:

    1. Create a group called 'firewire', and make yourself a member of it.
    AND
    2. Change udev rule for raw1394 to allow members of the 'firewire' group to access it:

    sudo gedit /etc/udev/rules.d/40-permissions.rules
    (This works on my Ubuntu Hardy - could be another file on your system)

    # IEEE1394 (firewire) devices
    # Please note that raw1394 gives unrestricted, raw access to every single
    # device on the bus and those devices may do anything as root on your system.
    # Yes, I know it also happens to be the only way to rewind your video camera,
    # but it's not going to be group "video", okay?
    KERNEL=="raw1394", GROUP="firewire"
    KERNEL=="dv1394*", GROUP="video"
    KERNEL=="video1394*", GROUP="video"
    As the comment in the file already shows, the group for raw1394 shall not be 'video', and you shall not either make yourself member of the 'disk' group, as both ways are dangerous for your system.
    Last edited by muranyia; July 9th, 2009 at 12:14 AM. Reason: more info

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •