Midgard:fabISP_mac.0.8.2_firmware tim$ sudo make fuse; sudo make program
avrdude -c avrisp2 -P usb -p attiny44  -U hfuse:w:0xDF:m -U lfuse:w:0xFF:m

avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.00s

avrdude: Device signature = 0x1e9207
avrdude: reading input file "0xDF"
avrdude: writing hfuse (1 bytes):

Writing | ################################################## | 100% 0.00s

avrdude: 1 bytes of hfuse written
avrdude: verifying hfuse memory against 0xDF:
avrdude: load data hfuse data from input file 0xDF:
avrdude: input file 0xDF contains 1 bytes
avrdude: reading on-chip hfuse data:

Reading | ################################################## | 100% 0.00s

avrdude: verifying ...
avrdude: 1 bytes of hfuse verified
avrdude: reading input file "0xFF"
avrdude: writing lfuse (1 bytes):

Writing | ################################################## | 100% 0.00s

avrdude: 1 bytes of lfuse written
avrdude: verifying lfuse memory against 0xFF:
avrdude: load data lfuse data from input file 0xFF:
avrdude: input file 0xFF contains 1 bytes
avrdude: reading on-chip lfuse data:

Reading | ################################################## | 100% 0.00s

avrdude: verifying ...
avrdude: 1 bytes of lfuse verified

avrdude: safemode: Fuses OK (E:FF, H:DF, L:FF)

avrdude done.  Thank you.

avrdude -c avrisp2 -P usb -p attiny44  -U flash:w:main.hex:i

avrdude: stk500v2_recv_mk2: error in USB receive
avrdude: AVR device initialized and ready to accept instructions

Reading |                                                    | 0% 0.00savrdude: stk500v2_recv_mk2: error in USB receive
avrdude: stk500v2_cmd(): short reply, len = 0
avr_read(): error reading address 0x0000
    read operation not supported for memory "signature"
avrdude: error reading signature data for part "ATtiny44", rc=-2
avrdude: error reading signature data, rc=-1
avrdude: usbdev_send(): wrote -6 out of 3 bytes, err = Device not configured
avrdude: stk500_send_mk2(): failed to send command to serial port
make: *** [flash] Error 1
Midgard:fabISP_mac.0.8.2_firmware tim$ sudo make program
avrdude -c avrisp2 -P usb -p attiny44  -U flash:w:main.hex:i

avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.00s

avrdude: Device signature = 0x1e9207
avrdude: NOTE: "flash" memory has been specified, an erase cycle will be performed
         To disable this feature, specify the -D option.
avrdude: erasing chip
avrdude: reading input file "main.hex"
avrdude: writing flash (1992 bytes):

Writing | ################################################## | 100% 0.69s

avrdude: 1992 bytes of flash written
avrdude: verifying flash memory against main.hex:
avrdude: load data flash data from input file main.hex:
avrdude: input file main.hex contains 1992 bytes
avrdude: reading on-chip flash data:

Reading | ################################################## | 100% 0.61s

avrdude: verifying ...
avrdude: 1992 bytes of flash verified

avrdude: safemode: Fuses OK (E:FF, H:DF, L:FF)

avrdude done.  Thank you.

avrdude -c avrisp2 -P usb -p attiny44  -U hfuse:w:0xDF:m -U lfuse:w:0xFF:m

avrdude: stk500v2_recv_mk2: error in USB receive
avrdude: AVR device initialized and ready to accept instructions

Reading |                                                    | 0% 0.00savrdude: stk500v2_recv_mk2: error in USB receive
avrdude: stk500v2_cmd(): short reply, len = 0
avr_read(): error reading address 0x0000
    read operation not supported for memory "signature"
avrdude: error reading signature data for part "ATtiny44", rc=-2
avrdude: error reading signature data, rc=-1
avrdude: usbdev_send(): wrote -6 out of 3 bytes, err = Device not configured
avrdude: stk500_send_mk2(): failed to send command to serial port
make: *** [fuse] Error 1
Midgard:fabISP_mac.0.8.2_firmware tim$