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On cold boot, keyboard keeps disconnecting until I press a key. I have disabled power saving for all usb devices. I use i3wm, keyboard is Logitech G910. The issue occurs only with this keyboard and only on Arch. So hardware fault is out the window.
This is the output of dmesg:
[ 10.584573] usb 3-13: new full-speed USB device number 5 using xhci_hcd
[ 10.725804] usb 3-13: New USB device found, idVendor=046d, idProduct=c32b, bcdDevice=92.04
[ 10.725807] usb 3-13: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 10.725808] usb 3-13: Product: Gaming Keyboard G910
[ 10.725809] usb 3-13: Manufacturer: Logitech
[ 10.725809] usb 3-13: SerialNumber: 0F8A34533137
[ 10.727231] input: Logitech Gaming Keyboard G910 as /devices/pci0000:00/0000:00:14.0/usb3/3-13/3-13:1.0/0003:046D:C32B.0007/input/input33
[ 10.781435] hid-generic 0003:046D:C32B.0007: input,hidraw0: USB HID v1.11 Keyboard [Logitech Gaming Keyboard G910] on usb-0000:00:14.0-13/input0
[ 10.782073] input: Logitech Gaming Keyboard G910 Keyboard as /devices/pci0000:00/0000:00:14.0/usb3/3-13/3-13:1.1/0003:046D:C32B.0008/input/input34
[ 10.838015] input: Logitech Gaming Keyboard G910 Consumer Control as /devices/pci0000:00/0000:00:14.0/usb3/3-13/3-13:1.1/0003:046D:C32B.0008/input/input35
[ 10.838283] hid-generic 0003:046D:C32B.0008: input,hiddev96,hidraw1: USB HID v1.11 Keyboard [Logitech Gaming Keyboard G910] on usb-0000:00:14.0-13/input1
[ 12.191688] usb 3-13: USB disconnect, device number 5
[ 15.010113] kauditd_printk_skb: 35 callbacks suppressed
[ 15.010121] audit: type=1131 audit(1614155498.051:46): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[ 16.624578] usb 3-13: new full-speed USB device number 6 using xhci_hcd
[ 16.765834] usb 3-13: New USB device found, idVendor=046d, idProduct=c32b, bcdDevice=92.04
[ 16.765836] usb 3-13: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 16.765837] usb 3-13: Product: Gaming Keyboard G910
[ 16.765838] usb 3-13: Manufacturer: Logitech
[ 16.765839] usb 3-13: SerialNumber: 0F8A34533137
[ 16.767199] input: Logitech Gaming Keyboard G910 as /devices/pci0000:00/0000:00:14.0/usb3/3-13/3-13:1.0/0003:046D:C32B.0009/input/input38
[ 16.821685] hid-generic 0003:046D:C32B.0009: input,hidraw0: USB HID v1.11 Keyboard [Logitech Gaming Keyboard G910] on usb-0000:00:14.0-13/input0
[ 16.823242] input: Logitech Gaming Keyboard G910 Keyboard as /devices/pci0000:00/0000:00:14.0/usb3/3-13/3-13:1.1/0003:046D:C32B.000A/input/input39
[ 16.878007] input: Logitech Gaming Keyboard G910 Consumer Control as /devices/pci0000:00/0000:00:14.0/usb3/3-13/3-13:1.1/0003:046D:C32B.000A/input/input40
[ 16.878110] hid-generic 0003:046D:C32B.000A: input,hiddev96,hidraw1: USB HID v1.11 Keyboard [Logitech Gaming Keyboard G910] on usb-0000:00:14.0-13/input1
[ 18.253242] usb 3-13: USB disconnect, device number 6
[ 23.664569] usb 3-13: new full-speed USB device number 7 using xhci_hcd
[ 23.805842] usb 3-13: New USB device found, idVendor=046d, idProduct=c32b, bcdDevice=92.04
[ 23.805844] usb 3-13: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 23.805845] usb 3-13: Product: Gaming Keyboard G910
[ 23.805846] usb 3-13: Manufacturer: Logitech
[ 23.805847] usb 3-13: SerialNumber: 0F8A34533137
[ 23.807220] input: Logitech Gaming Keyboard G910 as /devices/pci0000:00/0000:00:14.0/usb3/3-13/3-13:1.0/0003:046D:C32B.000B/input/input43
[ 23.861410] hid-generic 0003:046D:C32B.000B: input,hidraw0: USB HID v1.11 Keyboard [Logitech Gaming Keyboard G910] on usb-0000:00:14.0-13/input0
[ 23.862066] input: Logitech Gaming Keyboard G910 Keyboard as /devices/pci0000:00/0000:00:14.0/usb3/3-13/3-13:1.1/0003:046D:C32B.000C/input/input44
[ 23.918006] input: Logitech Gaming Keyboard G910 Consumer Control as /devices/pci0000:00/0000:00:14.0/usb3/3-13/3-13:1.1/0003:046D:C32B.000C/input/input45
[ 23.918262] hid-generic 0003:046D:C32B.000C: input,hiddev96,hidraw1: USB HID v1.11 Keyboard [Logitech Gaming Keyboard G910] on usb-0000:00:14.0-13/input1.Output of lsusb:
Bus 002 Device 002: ID 8087:8001 Intel Corp. Integrated Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8009 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 046d:c07d Logitech, Inc. G502 Mouse
Bus 003 Device 007: ID 046d:c32b Logitech, Inc. G910 Orion Spark Mechanical Keyboard
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hubOffline
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