Frontend running on http://localhost:8000/
DEBUG: nDevices = 4
DEBUG: devices = [DeviceInfo {interface = "ALSA", name = "Midi Through Port-0", input = False, output = True, opened = False},DeviceInfo {interface = "ALSA", name = "Midi Through Port-0", input = True, output = False, opened = False},DeviceInfo {interface = "ALSA", name = "UM-ONE MIDI 1", input = False, output = True, opened = False},DeviceInfo {interface = "ALSA", name = "UM-ONE MIDI 1", input = True, output = False, opened = False}]
DEBUG: umoneOutputs = [(3,DeviceInfo {interface = "ALSA", name = "UM-ONE MIDI 1", input = True, output = False, opened = False})]
DEBUG: inputDevice = Just 3
DEBUG: edev = Right 0x00007efb4c021cb0
Initializing the keyboard...
127.0.0.1 - - [14/Nov/2018:17:36:16 +0100] "GET /static/0dspiyay7ldlnxdk7c7q3wjc9b2m4sy348piy8c6qq4dbs00d9x6-obelisk.jpg HTTP/1.1" 200 17351 "http://localhost:8000/" "Mozilla/5.0 (X11; Linux x86_64; rv:63.0) Gecko/20100101 Firefox/63.0"
DEBUG: nDevices = 4
DEBUG: devices = [DeviceInfo {interface = "ALSA", name = "Midi Through Port-0", input = False, output = True, opened = False},DeviceInfo {interface = "ALSA", name = "Midi Through Port-0", input = True, output = False, opened = False},DeviceInfo {interface = "ALSA", name = "UM-ONE MIDI 1", input = False, output = True, opened = False},DeviceInfo {interface = "ALSA", name = "UM-ONE MIDI 1", input = True, output = False, opened = True}]
DEBUG: umoneOutputs = [(3,DeviceInfo {interface = "ALSA", name = "UM-ONE MIDI 1", input = True, output = False, opened = True})]
DEBUG: inputDevice = Just 3
DEBUG: edev = Left BadPtr
In the function getUmouneInputDevice: BadPtr
CallStack (from HasCallStack):
  error, called at frontend/src/InputDevice.hs:61:17 in main:InputDevice
<interactive>: threadWait: invalid argument (Bad file descriptor)
127.0.0.1 - - [14/Nov/2018:17:36:16 +0100] "GET /favicon.ico HTTP/1.1" 200 5 - "Mozilla/5.0 (X11; Linux x86_64; rv:63.0) Gecko/20100101 Firefox/63.0"