> Date: Thu, 9 Mar 2017 14:04:04 +0100 > From: Martin Pieuchot <m...@openbsd.org> > > Many of us have x86 machines with a USB keyboard that's unusable in > ddb(4). That's generally because the BIOS presents a fake pckbd(4) > to the OS: > > pckbc0 at isa0 port 0x60/5 irq 1 irq 12 > pckbd0 at pckbc0 (kbd slot) > wskbd0 at pckbd0: console keyboard, using wsdisplay0 > > Some BIOSes allow you to disable this emulation. While this might > allow you to have a working USB keyboard in ddb(4) it generally means > you lose input in the bootloader. > > So the diff below introduces a new sysctl(3) to work around this problem. > Adding the following line in your /etc/sysctl.conf will force your first > USB keyboard to re-attach itself after cold boot and become the default > console keyboard. That means you now have a working keyboard in ddb(4)! > > sysctl machdep.fakepckbc=1 > > I hope this will improve the content of bug reports.
Can't you already achieve this by disabling pckbc(4) in the kernel config? So something like this: # config -ef /bsd ... ukc> disable pckbc 250 pckbc0 disabled ukc> quit Only downside is that it doesn't stick. If you install a new kernel you need to repeat the excercise.
