Date: Sat, 23 Jun 2012 12:24:13 -0400 From: "Dieter BSD" <dieterbsd@engineer.com> To: freebsd-hackers@freebsd.org Subject: Re: MAGIC with HP KVM - someone will help? Message-ID: <20120623162415.303430@gmx.com>
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Wojciech writes: > 1) i know for a friend that on some motherboards (it was embedded VIA > based CPU) geli doesn't work at typing password. > > 2) in my case (as well as his case) problems happen everytime kernel > function cngets is used, it maybe after being unable to mount root in > a kernel prompt. > > The problem IS FreeBSD specific AND some hardware specific. > > this seems like an interaction between FreeBSD and some hardware > (timings?). Really have no idea. >> I refuse to move from the keyboard I have currently, and occasionally >> keys get 'stuck'.... but it's so obvious when it happens it's no big >> hardship. I have a Belkin adaptor one by the way, and it works > but the PROBABLY FReeBSD specific is that some configuration, not > only USB to PS/2 adapters, have problems only when kernel cngets routine. > > my friend switched to linux, in spite of lower performance, on his > dedicated fileserver machine with VIA processor, only because keyboard > didn't work when geli asked for password at boot, or - for whatever reason > - in kernel command prompt activated. > > it works every other case properly. This reminds me of a problem I have when using a RS-232 console. When the loader is sitting there waiting for a few seconds to see if you will type something, it doesn't always notice keystrokes. I would have to hold the key down (letting it autorepeat) and then it would usually notice. This problem does not happen with the PS/2 keyboard. (no KVM, no USB adapters) If it is a timing problem, perhaps it is related?
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