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Recently my keyboard (Delux K6300 USB) encountered this problem.
It just doesn't work, I couldn't enter bios or select anything from GRUB menu, until I replugged it. So now I have to replug the keyboard everytime I turn on the machine.
After some look up and checking. This is what I found
1. If I keep pressing any button while the machine is booting (not replugged), the booting process is slower. What I can see is the time countdown in grub menu counts slower when I spam press, and back to normal when I stop doing that.
2. If I keep pressing any button while the machine is shutting down, some error lines will appear on the screen. They're the same to what appeared in dmesg
- To be more specific: USB port 1-5
- Few last lines are added after I replugged the keyboard
3. I did some google search, and found a post that looks like the same as my problem, saying I should turn off the machine and unplug every usbs, wait few minutes then plug things back. But it didn't work for me.
I took a look at some similar questions in this forum too, but couldn't find anything useful.
Before replug:
linux> lsusb -t
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/16p, 480M
|__ Port 4: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 1: Dev 4, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 2: Dev 6, If 0, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 2: Dev 6, If 1, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 6: Dev 9, If 0, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 6: Dev 9, If 1, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 9: Dev 10, If 0, Class=Wireless, Driver=btusb, 12M
|__ Port 9: Dev 10, If 1, Class=Wireless, Driver=btusb, 12MAfter replug:
linux> lsusb -t
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/16p, 480M
|__ Port 4: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 1: Dev 4, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 2: Dev 6, If 0, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 2: Dev 6, If 1, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 5: Dev 19, If 1, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 5: Dev 19, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 6: Dev 9, If 0, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 6: Dev 9, If 1, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 9: Dev 10, If 0, Class=Wireless, Driver=btusb, 12M
|__ Port 9: Dev 10, If 1, Class=Wireless, Driver=btusb, 12Mxinput result: the last 3 lines are added after replug
linux> xinput --list
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ GamingMouse Gaming Mouse Consumer Control id=13 [slave pointer (2)]
⎜ ↳ GamingMouse Gaming Mouse id=12 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Power Button id=8 [slave keyboard (3)]
↳ Sleep Button id=9 [slave keyboard (3)]
↳ Eee PC WMI hotkeys id=16 [slave keyboard (3)]
↳ GamingMouse Gaming Mouse System Control id=14 [slave keyboard (3)]
↳ GamingMouse Gaming Mouse id=15 [slave keyboard (3)]
↳ GamingMouse Gaming Mouse Consumer Control id=17 [slave keyboard (3)]
↳ GamingMouse Gaming Mouse id=11 [slave keyboard (3)]
↳ HID 256c:006d Pen id=10 [slave keyboard (3)]
↳ SINO WEALTH USB KEYBOARD Consumer Control id=18 [slave keyboard (3)]
↳ SINO WEALTH USB KEYBOARD id=19 [slave keyboard (3)]
↳ SINO WEALTH USB KEYBOARD System Control id=20 [slave keyboard (3)]- Some additional information: the keyboard works fine on my other machine, I haven't test with other OS of the same machine cuz I just have arch. Any help is appreciated.
Last edited by Ichirou (2020-03-12 14:40:55)
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