Kills xhci-hcd

[tvanderpool]

I used this utility with my g910 keyboard without issue on my previous hardware on Ubuntu 18.04. Recently I built a new computer and upgraded to Ubuntu 20.04. When I start the service on my new setup, the gkeys work as expected, however after some period of time the keyboard & mouse stop responding and the keyboard leds turn off. I have not found any pattern as to the timing or actions that cause xhci to die, but if this service is not running I do not have any issues.

I have tried using the gkeys over and over and cannot get xhci to die quickly. I have started the service and then not used any gkeys, xhci will still die eventually. With the service running xhci will die within minutes or can take hours.

Additional info

• filtered dmesg output after xhci dies

  [242194.740147] xhci_hcd 0000:08:00.1: Mismatch between completed Set TR Deq Ptr command & xHCI internal state.
  [242194.740149] xhci_hcd 0000:08:00.1: ep deq seg = 000000009cd1c20e, deq ptr = 00000000ac890430
  [242199.928950] xhci_hcd 0000:08:00.1: xHCI host not responding to stop endpoint command.
  [242199.928956] xhci_hcd 0000:08:00.1: xHCI host controller not responding, assume dead
  [242199.928993] xhci_hcd 0000:08:00.1: HC died; cleaning up

• rebind keyboard to xhci

  cd /sys/bus/pci/drivers/xhci_hcd
  for i in 0000\:0*;do
      echo $i > unbind;
      echo $i > bind;
  done

• filtered dmesg output after rebind

  [242235.116894] usb 1-2: new full-speed USB device number 3 using xhci_hcd
  [242235.288278] usb 1-2: New USB device found, idVendor=046d, idProduct=c32b, bcdDevice=92.04
  [242235.288279] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
  [242235.288280] usb 1-2: Product: Gaming Keyboard G910
  [242235.288281] usb 1-2: Manufacturer: Logitech
  [242235.288281] usb 1-2: SerialNumber: xxxxxxxxxxxx
  [242235.321363] input: Logitech Gaming Keyboard G910 as /devices/pci0000:00/0000:00:01.2/0000:02:00.0/0000:03:08.0/0000:08:00.1/usb1/1-2/1-2:1.0/0003:046D:C32B.0011/input/input41
  [242235.385037] hid-generic 0003:046D:C32B.0011: input,hidraw2: USB HID v1.11 Keyboard [Logitech Gaming Keyboard G910] on usb-0000:08:00.1-2/input0
  [242235.391395] input: Logitech Gaming Keyboard G910 Keyboard as /devices/pci0000:00/0000:00:01.2/0000:02:00.0/0000:03:08.0/0000:08:00.1/usb1/1-2/1-2:1.1/0003:046D:C32B.0012/input/input42
  [242235.449017] input: Logitech Gaming Keyboard G910 Consumer Control as /devices/pci0000:00/0000:00:01.2/0000:02:00.0/0000:03:08.0/0000:08:00.1/usb1/1-2/1-2:1.1/0003:046D:C32B.0012/input/input43
  [242235.449096] hid-generic 0003:046D:C32B.0012: input,hiddev1,hidraw3: USB HID v1.11 Keyboard [Logitech Gaming Keyboard G910] on usb-0000:08:00.1-2/input1
  [242237.016265] logitech-hidpp-device 0003:046D:406F.0010: HID++ 4.5 device connected.

• logs from /var/log/g910-gkeys.log note: xhci died @ 2020-09-18T16:39:29

  2020-09-18 16:15:20,218 [INFO] {launcher} - ----------------------STARTED g910-keys-pid:161482-----------------------------------
  2020-09-18 16:15:20,218 [INFO] {launcher} - ------------------------------------------------------------------------------------
  2020-09-18 16:15:20,230 [INFO] {lib.keyboard_initialization.usb_and_keyboard_device_init} - Trying to disable mapping
  2020-09-18 16:15:20,240 [INFO] {lib.keyboard_initialization.usb_and_keyboard_device_init} - Mapping disabled successfully
  2020-09-18 16:15:24,560 [INFO] {lib.functionalities.gkey_functionality} - g6 pressed, running: /bin/hotkey-calc
  2020-09-18 16:15:45,394 [INFO] {lib.functionalities.gkey_functionality} - g6 pressed, running: /bin/hotkey-calc
  2020-09-18 16:40:10,597 [INFO] {lib.keyboard_initialization.usb_and_keyboard_device_init} - Trying to disable mapping
  2020-09-18 16:40:10,609 [INFO] {lib.keyboard_initialization.usb_and_keyboard_device_init} - Mapping disabled successfully
  2020-09-18 16:40:10,615 [WARNING] {lib.g910_gkey_mapper} - bytearray(b'\x11\xff\x0f=\x00\x01\x00\x0e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') no match
  ........ similar line repeats 306 times ........
  2020-09-18 16:40:12,101 [WARNING] {lib.g910_gkey_mapper} - bytearray(b'\x11\xff\xff\x0f]\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') no match
  2020-09-18 16:40:48,449 [WARNING] {lib.g910_gkey_mapper} - Got signal, SIGTERM terminating!
  2020-09-18 16:40:48,545 [INFO] {lib.g910_gkey_mapper} - Removed uinput device
  2020-09-18 16:40:48,545 [INFO] {lib.g910_gkey_mapper} - ----------------------EXITING-----------------------

  • logs from jurnalctl -u g910-gkeys

    -- Logs begin at Fri 2020-09-18 00:57:41 CDT, end at Fri 2020-09-18 17:17:17 CDT. --
    Sep 18 16:15:20 THP systemd[1]: Started Support for Logitech g910 keyboard gkeys.
    Sep 18 16:15:24 THP su[161509]: (to travis) root on none
    Sep 18 16:15:24 THP su[161509]: pam_unix(su:session): session opened for user travis by (uid=0)
    Sep 18 16:15:45 THP su[161538]: (to travis) root on none
    Sep 18 16:15:45 THP su[161538]: pam_unix(su:session): session opened for user travis by (uid=0)
    Sep 18 16:40:48 THP systemd[1]: Stopping Support for Logitech g910 keyboard gkeys...
    Sep 18 16:40:48 THP env[161482]: Starting g910-gkeys, PID: 161482, logging at: /var/log/g910-gkeys.log
    Sep 18 16:40:48 THP env[161482]: Got signal, SIGTERM terminating!
    Sep 18 16:40:48 THP env[161482]: Removed uinput device
    Sep 18 16:40:48 THP env[161482]: Exiting
    Sep 18 16:40:48 THP systemd[1]: g910-gkeys.service: Succeeded.
    Sep 18 16:40:48 THP systemd[1]: Stopped Support for Logitech g910 keyboard gkeys.

  • configuration in /etc/g910-gkeys/config.json

    {
    "__comment": "following hotkey types are supported: nothing, typeout, shortcut and run; only en and si keyboard mappings are currently supported",
    "keyboard_mapping": "si",
    "g1": {
    "hotkey_type": "shortcut",
    "do": "win+F1"
    },
    "g2": {
    "hotkey_type": "shortcut",
    "do": "win+F2"
    },
    "g3": {
    "hotkey_type": "nothing",
    "do": ""
    },
    "g4": {
    "hotkey_type": "nothing",
    "do": ""
    },
    "g5": {
    "hotkey_type": "nothing",
    "do": ""
    },
    "g6": {
    "hotkey_type": "run",
    "do": "/bin/hotkey-calc"
    },
    "g7": {
    "hotkey_type": "nothing",
    "do": ""
    },
    "g8": {
    "hotkey_type": "nothing",
    "do": ""
    },
    "g9": {
    "hotkey_type": "nothing",
    "do": ""
    }
    }

Desktop (please complete the following information):

• OS: Ubuntu 20.04.1 LTS
• Kernel version: 5.4.0-45-generic
• desktop enviroment
• g910-gkeys version: master as of 2020-09-18 commit: bbcc863
• python version: Python 3.8.2

[suabo]

I also have Ubuntu 20.04.5 LTS and can't confirm this behavior on the current version.
Do you have any other virtual devices registered via uinput like controller, remotes, etc.? Do you use another package like g810-led or OpenRGB?