[juneau-lug] Re: losing permissions

  • From: James Zuelow <James_Zuelow@xxxxxxxxxxxxxxx>
  • To: "juneau-lug@xxxxxxxxxxxxx" <juneau-lug@xxxxxxxxxxxxx>
  • Date: Thu, 27 Feb 2014 11:56:33 -0900

You say that is a brand new udev rule?  It looks like it should take priority 
as long as it is the last one run on the USB ttys and "lastrule" was not 
included in an earlier rule.

You can test your udev rules.

I don't have a USBtty0 on my machine, but here is an example for you to follow:

udevadm info --query=path --name=/dev/ttyUSB0

(udev will return a string similar to this)
/devices/virtual/tty/ttyUSB0

(put the string that udevadm returned above at the end of this command):
udevadm test /devices/virtual/tty/ttyUSB0

At the bottom of the test output should be a list of rules that udev is 
applying, and should give you a clue to which settings are being overridden or 
just not applying.

James




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