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From: brian@shift.lan.awfulhak.org (Brian Somers)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Keyboard lockups
Date: 4 Mar 1997 17:19:30 GMT
Organization: Awfulhak Ltd.
Lines: 61
Message-ID: <5fhlj2$r24@ui-gate.utell.co.uk>
References: <5f5e98$ekp$1@Venus.mcs.net> <5fd9e5$bbe@darkstar.ucsc.edu>
<5fdd7f$gv3$1@news.gamma.ru>
Reply-To: brian@awfulhak.demon.co.uk, brian@utell.co.uk
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Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:36528
In article <5fdd7f$gv3$1@news.gamma.ru>,
ivt@gamma.ru (Igor Timkin) writes:
> Thomas Gunnar Sparks (tgs@cats.ucsc.edu) wrote:
>: Font (font@MCS.COM) wrote:
>: : Every so often, under FreeBSD 2.1.6.1, the keyboard locks up for no
>: : apparent reason. No key elicits a response, and if a screensaver is
>: : activate, it will run after the specified time period as if no
>: : keyboard input had been received. Logins across the network are
>: : unaffected, and I can remotely login and shut down the computer.
>
>: This has happened to me a couple times... I thought for a while it was my
>: cheap keyboard, but I'm not sure.. I'm going to put my other keyboard on
>: and see if it happens again? I think this problem has manifested itself
>: to me 3-4 times on my system.. I usually login remotely and reboot once I
>: get the problem...
>:
>: : My configuration is: Dell Dimension P75t, 16M RAM, AHA2940AU. The
>: : keyboard is a PS/2 style. The mouse is a PS/2 style (activated in
>: : GENERIC kernel, but unused as yet since I haven't installed X).
>: : Network is 3C595. No errors noted on startup.
>
>: My config is : Intel Endeavor MB, P166, 48MB of ram, Cheapo Win95
>: Mitsumi Keyboard, IDE Disks, Advansys PCI SCSI Card (pleading for drivers)
>: I would usually notice this problem when using the CTRL-ALT-F? vtty
>: switching... So far it has only happened to me in X...
>
>: : I checked in Deja News and noted that a few other people had related
>: : problems, but that no responses to their queries was evident.
>
>: I posted about this myself, but I didn't get any response either.. I'm
>: going to look through the mailing list archives again just to make sure
>: there are no answers about this...
>
> Look the FAQ:
>
>|6.8. My keyboard locks up after switching between vtys.
>|
>|Try adding the following option in your kernel configuration file and recompile it.
>|
>| options ASYNCH
It's not really a solution, but it's a damn site better than having to
reboot :) Check out http://www.freebsd.org/~brian for the source to
"setcon". All it does is switch vtys (what ALT-F? does) - this fixes
the problem. In fact, I think it probably should be a part of the
kbdcontrol program (doesn't one of the pcvt utils have this ability?).
FWIW, this has happened on every FreeBSD box I've run since around the
middle of last year. I've never sat down and figured out what the
problem is.... It even happens on the gateway machine in work -
this machine isn't running X, isn't running moused and hasn't got
a mouse plugged in.
The only thing in common is that all of these machines have psm
configured.... It looks like a "trawl through the code" job -
I don't think it's possible to reproduce.
--
Brian <brian@awfulhak.org> <brian@freebsd.org>
<http://www.awfulhak.demon.co.uk>
Don't _EVER_ lose your sense of humour !