2024-06-06T11:17:32Z "Johannes Thyssen Tishman" <johan...@thyssentishman.com>: > >Synopsis: Repeated character insertion on keyboard keypress > >Category: system > >Environment: > System : OpenBSD 7.5 > Details : OpenBSD 7.5-current (GENERIC.MP) #114: Wed Jun 5 > 18:33:08 MDT 2024 > > dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP > > Architecture: OpenBSD.amd64 > Machine : amd64 > >Description: > On my Thinkpad E14 Gen 6 (AMD), for every keyboard keypress, > multiple characters are inserted. The first character is > inserted after a short delay and then 17 more after another > delay: > > <a-keypress><delay>a<delay>aaaaaaaaaaaaaaaaa > > I've tested this with multiple keys and it seems to be always a > total of 18 characters when under X and 7 on the console. The > keyboard works properly in the boot prompt though. I've tried > the following workarounds suggested on other bug reports[1][2]: > > 1. xset r off: fixes repeated characters, but the delays remain > 2. sysctl kern.timecounter.hardware > =tsc: the problem seems to also happen with external keyboard > =acpitimer0: couldn't notice a difference from using acpihpet0 > =acpihpet0: default > 3. Booting with 'bsd.sp': the problem persists > > Also, 'pckbc: command timeout' appears multiple times on > /var/log/messages. I'm not sure if this is related. > > [1] https://marc.info/?l=openbsd-bugs&m=154340900815220&w=2 > [2] https://marc.info/?l=openbsd-bugs&m=156561334405282&w=2 > >How-To-Repeat: > Type any key on the console or in an X session > >Fix: > Workaround: Use external keyboard
Any ideas on how I could debug this? I'm happy to work on a solution myself or to test patches, I just don't know where to start with something like this. Any guidance would be very appreciated. Thank you.
