python3 app crash after run GPIO.setup(1, GPIO.OUT)

[JosePeres]

After executed the followings commands, app python3 crash:
> rp01@rp01:~$ sudo python3
> [sudo] password for rp01:
Python 3.4.3 (default, Mar 26 2015, 23:09:09)
[GCC 4.9.2] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
>>> import RPi.GPIO as GPIO
>>> GPIO.setmode(GPIO.BCM)
>>> mode = GPIO.getmode()
>>> print(mode)
11
>>> GPIO.setwarnings(False)
>>> ver = GPIO.RPI_INFO
>>> print(ver)
{'REVISION': 'a01041', 'TYPE': 'Pi2 Model B', 'MANUFACTURER': 'Sony',
'P1_REVISION': 3, 'RAM': '1024M', 'PROCESSOR': 'BCM2836'}
>>> rev = GPIO.RPI_REVISION
>>> print(rev)
3
>>> GPIO_VER = GPIO.VERSION
>>> print(GPIO_VER)
0.5.11
>>> GPIO.setup(1, GPIO.OUT)
. . . Application python3 crash . . .
rp01~ #
rp01~ #
==============================
System env - Ubutu:
Release 15.04(vivid)
Kernel Linux 3.18.0-23-rpi2
MATE 1.8.2
Hardware:
Memory 923,9 MiB
processor 0: ARMv7 Processor rev 5 (v7)
processor 1: ARMv7 Processor rev 5 (v7)
processor 2: ARMv7 Processor rev 5 (v7)
processor 3: ARMv7 Processor rev 5 (v7)
System Status
Available disk space: 11,8 GiB
==============================
any support to fix this problem is welcome.
Tks.Rgds.
JP

[EpixP3]

Did you run the script via root (sudo)?

[ghp]

Hello, GPIO1 was available in Rev1 only on P1.05 and was replaced by GPIO3.
P1-05 Rev 1:GPIO 1 Rev2: GPIO 3

GPIO1 is obviously not available. I do not know, but could be this pin is used for system purpose.

Regards,
Gerhard