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Recently I bought a Filco Majestictouch keyboard for my ArchLinux box. The keyboard, which uses a USB connector, works fine. However, I noticed some error messages in /var/log/Xorg.0.log. I do not notice any issues when I type.
$ uname -a
Linux localhost 5.10.7-arch1-1 #1 SMP PREEMPT Wed, 13 Jan 2021 12:02:01 +0000 x86_64 GNU/Linux
$ tail -f /var/log/Xorg.0.log
[ 6225.171] (EE) event17 - SONiX USB Keyboard: client bug: event processing lagging behind by 35ms, your system is too slow
[ 16278.393] (EE) event17 - SONiX USB Keyboard: client bug: event processing lagging behind by 21ms, your system is too slow
[ 16282.090] (EE) event17 - SONiX USB Keyboard: client bug: event processing lagging behind by 22ms, your system is too slow
[ 16397.796] (EE) event17 - SONiX USB Keyboard: client bug: event processing lagging behind by 21ms, your system is too slow
[ 16400.572] (EE) event17 - SONiX USB Keyboard: client bug: event processing lagging behind by 23ms, your system is too slow
[ 16541.689] (EE) event18 - Logitech M705: client bug: event processing lagging behind by 11ms, your system is too slow
[ 16730.494] (EE) event18 - Logitech M705: client bug: event processing lagging behind by 26ms, your system is too slow
[ 16744.970] (EE) event18 - Logitech M705: client bug: event processing lagging behind by 23ms, your system is too slow
[ 16895.447] (EE) event17 - SONiX USB Keyboard: client bug: event processing lagging behind by 15ms, your system is too slow
[ 16895.447] (EE) event17 - SONiX USB Keyboard: WARNING: log rate limit exceeded (5 msgs per 60min). Discarding future messages.
Any ideas what could be the issue? I also bought a Logictech M705 mouse and it is also reporting the same issues.
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libinput well produce the error message if it detects a delay of greater than 10ms in processing an event. Is there system load that would explain the messages?
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