Ubuntu
bluez package

  1. Bug #1014992
  2. Comment #14

Comment 14 for bug 1014992

Revision history for this message
sash-kan (alex-barakin) wrote : Re: Ubuntu 12.04, i386, cannot use rfcomm as regular user. Permission denied.

the problem may be in the ModemManager:
$ sudo lsof /dev/rfcomm0
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
ModemMana 10865 root 9u CHR 216,0 0t0 132879 /dev/rfcomm0

after

$ sudo service ModemManager stop

i was able to connect to the device as regular user.