[Nut-upsuser] MGE Ellipse Premium 1200 USB cable only works if plugged after boot

Charles Lepple clepple at gmail.com
Fri Nov 3 04:38:52 CET 2006

On 11/2/06, Pedro Côrte-Real <pedro at pedrocr.net> wrote:
> On 11/2/06, Kjell Claesson <kjell.claesson at epost.tidanet.se> wrote:
> > Hi Pedro,
> Hi
> > It depends on what dist of Linux you are running. The new type
> > use udev and hal and the old use coldplug.
> >
> > So little more info about your system please.
> I'm using Ubuntu edgy. That uses udev but since it's a server install
> it doesn't use hal and dbus. Nut is 2.0.4-2, the kernel is 2.6.17-10
> and udev is 093-0ubuntu18.
> I did a lsusb -v before and after repluggin the cable and the only
> difference seems to be the device being given a new device number,
> from 3 to 4. Any ideas on what might be happening?

Permissions, maybe?

I forget whether Ubuntu uses /dev/bus/usb or /proc/bus/usb for libusb
access (I should know this, although I always check both places now
anyway). Check in those directories, under the bus number. There may
be a problem with the coldplug script.

- Charles Lepple

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