I: Comedi version: 0.7.70
I: Comedilib version: unknown =)
I: driver name: ni_pcimio
I: device name: pci-6229
I:
I: subdevice 1
I: testing info...
rev 1
I: subdevice type: 2 (analog output)
  number of channels: 4
  max data value: 65535
  ranges:
    all chans: [-10,10]
I: testing insn_read...
rev 1
comedi_do_insn returned 1, good
I: testing insn_read_0...
comedi_do_insn returned 0, good
I: testing insn_read_time...
rev 1
comedi_do_insn: 3
read time: 4 us
I: testing cmd_no_cmd...
not applicable
I: testing cmd_probe_src_mask...
rev 1
command source mask:
  start: int
  scan_begin: timer
  convert: now
  scan_end: count
  stop: none|count
I: testing cmd_probe_fast_1chan...
command fast 1chan:
  start: int 0
  scan_begin: timer 0
  convert: now 0
  scan_end: count 1
  stop: count 2
I: testing cmd_read_fast_1chan...
not applicable
I: testing cmd_write_fast_1chan...
write 2000 2000
write 2000 4000
write 2000 6000
write 2000 8000
write 2000 10000
write 2000 12000
write 2000 14000
write 2000 16000
write 2000 18000
write 2000 20000
write 2000 22000
write 2000 24000
write 2000 26000
write 2000 28000
write 2000 30000
write 2000 32000
write 2000 34000
write 2000 36000
write 2000 38000
write 2000 40000
write 2000 42000
write 2000 44000
write 2000 46000
write 2000 48000
write 2000 50000
write 2000 52000
write 2000 54000
write 2000 56000
write 2000 58000
write 2000 60000
write 2000 62000
write 2000 64000
inttrig
write 2000 66000
write 2000 68000
write 2000 70000
write 2000 72000
write 206 72206
write 2000 74206
write 2000 76206
write 98 76304
write 2000 78304
write 2000 80304
write 100 80404

[and hangs in there...]

===[dmesg]
m_series_stc_readw: bug! unhandled register=0x7 in switch.
===