[gpsd-users] gpsd/udev behavior

[Paul Fox]

i feel like this used to work (where "used to" probably means fedora
14), but it doesn't seem to now (on fedora 17).  gpsd is version 3.5,
udev is version 182.

using the default install where udev has control, this is logged:

May 21 21:51:53 xo-1 kernel: [ 7450.954945] usb 1-1.2: new full speed USB 
device number 5 using pxau2o-ehci
May 21 21:51:53 xo-1 kernel: [ 7451.075494] usb 1-1.2: New USB device found, 
idVendor=067b, idProduct=2303
May 21 21:51:53 xo-1 kernel: [ 7451.082424] usb 1-1.2: New USB device strings: 
Mfr=1, Product=2, SerialNumber=0
May 21 21:51:53 xo-1 kernel: [ 7451.090137] usb 1-1.2: Product: USB-Serial 
Controller
May 21 21:51:53 xo-1 kernel: [ 7451.095479] usb 1-1.2: Manufacturer: Prolific 
Technology Inc.
May 21 21:51:53 xo-1 kernel: [ 7451.107077] pl2303 1-1.2:1.0: pl2303 converter 
detected
May 21 21:51:53 xo-1 kernel: [ 7451.122711] usb 1-1.2: pl2303 converter now 
attached to ttyUSB0
May 21 21:51:54 xo-1 gpsd.hotplug: add /dev/ttyUSB0
May 21 21:51:54 xo-1 gpsdctl: gpsd_control(action=add, arg=/dev/ttyUSB0)
May 21 21:51:54 xo-1 gpsdctl: launching gpsd -n -F /var/run/gpsd.sock
May 21 21:51:54 xo-1 gpsd[10638]: gpsd:ERROR: device open failed: Permission 
denied - retrying read-only
May 21 21:51:54 xo-1 gpsd[10638]: gpsd:ERROR: read-only device open failed: 
Permission denied
May 21 21:51:54 xo-1 gpsd[10638]: gpsd:ERROR: device open failed: Permission 
denied - retrying read-only
May 21 21:51:54 xo-1 gpsd[10638]: gpsd:ERROR: read-only device open failed: 
Permission denied
May 21 21:51:54 xo-1 gpsd[10638]: gpsd:ERROR: /dev/ttyUSB0: device activation 
failed.
May 21 21:51:59 xo-1 gpsd[10638]: gpsd:ERROR: device open failed: Permission 
denied - retrying read-only
May 21 21:51:59 xo-1 gpsd[10638]: gpsd:ERROR: read-only device open failed: 
Permission denied
May 21 21:51:59 xo-1 gpsd[10638]: gpsd:ERROR: /dev/ttyUSB0: device activation 
failed.
May 21 21:51:59 xo-1 gpsd[10638]: gpsd:ERROR: device open failed: Permission 
denied - retrying read-only
May 21 21:51:59 xo-1 gpsd[10638]: gpsd:ERROR: read-only device open failed: 
Permission denied
May 21 21:51:59 xo-1 gpsd[10638]: gpsd:ERROR: /dev/ttyUSB0: device activation 
failed.
May 21 21:53:55 xo-1 gpsd[10638]: gpsd:ERROR: device open failed: Permission 
denied - retrying read-only
May 21 21:53:55 xo-1 gpsd[10638]: gpsd:ERROR: read-only device open failed: 
Permission denied
May 21 21:53:55 xo-1 gpsd[10638]: gpsd:ERROR: /dev/ttyUSB0: device activation 
failed.

gpsd is running as 'nobody'.

manually changing the device permissions from 660 to 666 makes
everything work.

the machine is an OLPC XO laptop, so it's entirely possible that it's
a problem with our version of F17, but we don't really touch udev
much.  (i say "we", because my work address is @laptop.org.)  any tips
how this _should_ be working?

paul
=---------------------
 paul fox, address@hidden (arlington, ma, where it's 58.6 degrees)