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Hi. Recently, I'm having problems with my keyboard. Certain keys, like coma, return, period and v. Don't work well. E.g. to make period, coma or enter work, I have to press arrow keys, while holding button i want to print. v doesn't work at all i have to copy-paste it. These issues appear on Arch only. Help please
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Do the problems occur if you load the Arch live ISO?
How have you configured your keyboard?
Have you tried running `xev` to see which keycodes are being passed?
Is this in the console or the graphical desktop or both?
What is the output of:
localectl
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Here's out[ut of localectl
System Locale: LANG=pl_PL-UTF-8
VC Keymap: pl
X11 Layout: pl
It happens both in console and X
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WTF, this shouldn't even be possible. Are you absolutely sure it works with other OSs?
Does reverting the kernel to last version which worked help? (see /var/cache/pacman/pkg)
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Yes sir, I've encountered same issue before on Arch, then I've switched to Elementary OS for some time, and now i installed Arch back. And so this issue occurs. Although it seems quite random when pressing key itself, but when pressing for example 'v' key alongside with arrow key v always appears on screen.
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OK, so you don't have old kernels to test?
What kind of keyboard it is? PS/2? Laptop? USB? Can you test some other keyboards?
Could you install evtest, run it on this keyboard and see whether it prints EV_KEY lines with proper KEY_xxx when you press those keys?
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It's laptop keyboard. I'm using Lenovo Flex 2-14, evtest prints proper value when I press those keys together with arrows, no output in any other case with one of these. I'll try another keyboard with it tomorrow.
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Try the LTS kernel.
And answer my other questions.
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Problem still occurs on LTS. I've configured my keyboard with vconsole.conf
KEYMAP=pl
FONT=lat2-16
FONT_MAP=8859-2
and
setxkbmap pl
xev shows me keycodes of those keys only whe i press them alongside with arrow keys.
I haven't checked Live ISO yet.
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I suppose evtest lists it as "AT translated set 2 keyboard"?
Then, if you can get USB keyboard or ssh connection to the laptop, try:
echo -n serio_raw >/sys/bus/serio/devices/serio0/drvctl
cat /dev/serio_raw0 |hexdump -e '1/1 "%x\n"'
This should disable normal keyboard driver and instead print all bytes received from the keyboard. Pressing keys should produce some output - if it doesn't, you've got some problem
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Unfortunately i have PS2 keyboard. But I've tried some live ISO's. And so i noticed that: on Arch iso, these keys work well excluding v which is as random as normally. When I booted elementary OS on the other hamd everything worked fine, except of v but this time it wasn't as random, because it shown up everytime i've pressed arrow key. I'll try SSH into my laptop.
//EDIT
I've switched to Zen Kernel, and now it works as good as on elementary iso. V show up every time when pressed together with arrows.
Last edited by Aykan (2016-01-24 17:27:38)
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These issues appear on Arch only.
When I booted elementary OS on the other hamd everything worked fine, except of v but this time it wasn't as random
Something doesn't add up here.
Maybe hardware is fubar?
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That might be, I didn't think that was possible on 1 year laptop. I'll take it to repair service.
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It does sound as if something may have been spilled into the keyboard. Any children about?
Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
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That might be, I didn't think that was possible on 1 year laptop. I'll take it to repair service.
Check it in BIOS/UEFI setup
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Ok, I ain't got no idea wtf is going on, i tried installing Elementary OS. And now after few reboots keyboard works in 100% Evtest shows every press of every key. Just dafuq.
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Liquids evaporate with time
Not all liquids leave residue.
Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
---
How to Ask Questions the Smart Way
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Some electronic problems may depend on temperature or humidity and some mechanical problems on pressure or vibrations
It could also be Embedded Controller bug, possibly triggered by power management drivers. (EC is a chip which integrates keyboard, power management, some ancient I/O interfaces and a kitchen sink).
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