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This problem is occurring on an HP laptop on a relatively fresh Arch install. I am intermittently having delayed keyboard input lag and repeating (sometimes a dozen times or so) key presses from the laptop's keyboard (I have not yet been able to test it with a USB keyboard). The problem occurs both in an X session and directly in a tty. Most of the time, a reboot resolves the issue, but when the problem occurs, it will usually be present immediately upon booting. The problem never occurred under the OEM Windows install, so I am doubtful that it is a hardware issue.
$ lspci
00:00.0 Host bridge: Intel Corporation Gemini Lake Host Bridge (rev 03)
00:00.1 Signal processing controller: Intel Corporation Celeron/Pentium Silver Processor Dynamic Platform and Thermal Framework Processor Participant (rev 03)
00:00.3 System peripheral: Intel Corporation Celeron/Pentium Silver Processor Gaussian Mixture Model (rev 03)
00:02.0 VGA compatible controller: Intel Corporation GeminiLake [UHD Graphics 605] (rev 03)
00:0c.0 Network controller: Intel Corporation Gemini Lake PCH CNVi WiFi (rev 03)
00:0e.0 Audio device: Intel Corporation Celeron/Pentium Silver Processor High Definition Audio (rev 03)
00:0f.0 Communication controller: Intel Corporation Celeron/Pentium Silver Processor Trusted Execution Engine Interface (rev 03)
00:12.0 SATA controller: Intel Corporation Celeron/Pentium Silver Processor SATA Controller (rev 03)
00:14.0 PCI bridge: Intel Corporation Gemini Lake PCI Express Root Port (rev f3)
00:14.1 PCI bridge: Intel Corporation Gemini Lake PCI Express Root Port (rev f3)
00:15.0 USB controller: Intel Corporation Celeron/Pentium Silver Processor USB 3.0 xHCI Controller (rev 03)
00:1f.0 ISA bridge: Intel Corporation Celeron/Pentium Silver Processor LPC Controller (rev 03)
00:1f.1 SMBus: Intel Corporation Celeron/Pentium Silver Processor Gaussian Mixture Model (rev 03)
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
$ systemctl --type=service
UNIT LOAD ACTIVE SUB DESCRIPTION
dbus.service loaded active running D-Bus System Message Bus
dropbox@[redacted].service loaded active running Dropbox
getty@tty1.service loaded active running Getty on tty1
kmod-static-nodes.service loaded active exited Create List of Static Device Nodes
lvm2-monitor.service loaded active exited Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling
NetworkManager.service loaded active running Network Manager
polkit.service loaded active running Authorization Manager
rtkit-daemon.service loaded active running RealtimeKit Scheduling Policy Service
systemd-backlight@backlight:intel_backlight.service loaded active exited Load/Save Screen Backlight Brightness of backlight:intel_backlight
systemd-fsck@dev-sda1.service loaded active exited File System Check on /dev/sda1
systemd-journal-flush.service loaded active exited Flush Journal to Persistent Storage
systemd-journald.service loaded active running Journal Service
systemd-logind.service loaded active running User Login Management
systemd-random-seed.service loaded active exited Load/Save Random Seed
systemd-remount-fs.service loaded active exited Remount Root and Kernel File Systems
systemd-sysctl.service loaded active exited Apply Kernel Variables
systemd-tmpfiles-setup-dev.service loaded active exited Create Static Device Nodes in /dev
systemd-tmpfiles-setup.service loaded active exited Create Volatile Files and Directories
systemd-udev-trigger.service loaded active exited Coldplug All udev Devices
systemd-udevd.service loaded active running Rule-based Manager for Device Events and Files
systemd-update-utmp.service loaded active exited Record System Boot/Shutdown in UTMP
systemd-user-sessions.service loaded active exited Permit User Sessions
udisks2.service loaded active running Disk Manager
user-runtime-dir@1000.service loaded active exited User Runtime Directory /run/user/1000
user@1000.service loaded active running User Manager for UID 1000
wpa_supplicant.service loaded active running WPA supplicant
Please let me know if there is any other information that would be useful, or troubleshooting steps that would be recommended.
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troubleshooting steps
Open a terminal and run this command:
journalctl --follow
Then wait for the problem to occur and switch back to the terminal to see if anything is being written to the journal. Share them here if you can't make any sense of them but be sure to enter the messages into a search engine first to see if that returns anything useful.
"The nation-state domesticates the society in the name of capitalism and alienates the community from its natural foundations."
— Democratic Confederalism, Abdullah Öcalan.
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Drop to the command line and enter the following:
xset q
Ideal output should indicate an autorepeat delay of 250 and a repeat rate of 25 or 30. If the output states otherwise, set the autorepeat delay and repeat rate as follows:
xset r rate 250 #
where # is your preferred repeat rate. 25 or 30 works well for me, but you may desire something different.
For whatever reason, the autorepeat delay sometimes resets to a default of 660. I've also experienced the same issue under Debian and Solus.
Last edited by walkingstickfan (2022-01-06 22:50:00)
Arch Linux with Openbox & Tint2
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same problem here ¿have you solved the problem? it's very annoying
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