From: Pavel Machek <pavel@suse.cz>
To: Nicholas Berry <nikberry@med.umich.edu>,
root@mauve.demon.co.uk, linux-kernel@vger.kernel.org
Subject: Re: Odd keyboard related crashes.
Date: Sun, 7 Oct 2001 09:23:52 +0200 [thread overview]
Message-ID: <20011007092352.A454@bug.ucw.cz> (raw)
In-Reply-To: <sbbd8e9c.096@mail-02.med.umich.edu>
In-Reply-To: <sbbd8e9c.096@mail-02.med.umich.edu>; from Nicholas Berry on Fri, Oct 05, 2001 at 10:42:16AM -0400
Hi!
> >>> Ian Stirling <root@mauve.demon.co.uk> 10/05/01 05:01AM >>>
> >I'm running 2.4.10, and the ps/2 keyboard came out of it's socket.
>
> >On plugging back in, all worked fine, until 10 seconds later there was a
> >crash. (the keyboard worked after being plugged in)
> >No oops, just a reboot.
> >Thinking this must just have been a wierd coincidence, after the system
> >came back up, I tried it again, and again it crashed a few seconds afterwards.
>
> >It doesn't seem to want to do this again though.
>
> When the keyboard is powered up (or plugged in), it goes through a self test, and reports the status back to the PC. Normally, a start up dialogue takes place between the PC and the keyboard at this point.
> That's fine when you boot your PC, but if you unplug then re-plug the keyboard, the PC will be sent data it's really not expecting, and the BIOS will be very confused.
> If you ever want to switch a keyboard between PCs, make sure you leave power supplied to it at all times.
BIOS is not alive enough at the time linux boots. This can't be BIOS
issue.
Pavel
--
I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care."
Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org
next prev parent reply other threads:[~2001-10-07 20:42 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-05 14:42 Odd keyboard related crashes Nicholas Berry
2001-10-07 7:23 ` Pavel Machek [this message]
2001-10-08 15:18 ` Eric W. Biederman
2001-10-08 16:21 ` Ian Stirling
-- strict thread matches above, loose matches on Subject: below --
2001-10-09 10:51 Nicholas Berry
2001-10-09 16:28 ` James Simmons
2001-10-09 16:02 ` Daniel Egger
[not found] <sbbd8e9c.095@mail-02.med.umich.edu>
2001-10-05 21:24 ` Ian Stirling
2001-10-05 9:17 Thomas Foerster
2001-10-05 9:01 Ian Stirling
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