#include <avr/io.h>

int main( void )
{
    unsigned char a, b;
    a = 2;
    b = 4;
    b += a;

    DDRB = 0x01;

    while( 1 )
;
}

AVaRICE version 2.9, Jan  7 2010 22:42:57

JTAG config starting.
Found a device: JTAGICEmkII
Serial number:  07:00:00:00:3b:c5
Reported JTAG device ID: 0x9403
Configured for device ID: 0x9403 atmega16
JTAG config complete.
Preparing the target device for On Chip Debugging.

Disabling lock bits:
  LockBits -> 0xff

Enabling on-chip debugging:
  Extended Fuse byte -> 0xef
      High Fuse byte -> 0x19
       Low Fuse byte -> 0xef
gdb communications failure: Address already in use

No symbol "new" in current context.
target remote localhost:4242
Remote connection closed

restore F:\\trunk\\testAvr\\Release\\testAvr.elf
You can't do that without a process to debug.
tbreak main
Cannot access memory at address 0x6c
continue
The program is not being run.