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Date:      Fri, 23 Jun 2000 12:26:12 +0200
From:      Graham Wheeler <gram@cequrux.com>
To:        freebsd-stable@freebsd.org
Subject:   Console switching woes remain
Message-ID:  <9c983121ea800eab2aa666dfad50cd16@cequrux.com>

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Hiya all

Well, despite managing to get rid of XFree86-4.0 and getting
XFree86-3.3.6 to work, my woes remain. Things aren't quite so bad bad;
at least the machine doesn't freeze up. But they're bad enough to render
it useless anyway.

I would suspect a hardware fault except that none of this behaviour has
manifested itself when running MS-Windoze. Maybe I've just been lucky,
but that seems a bit too much like a coincidence, especially as this
trouble happens regularly (almost reliably replicable).

Here's what happens:

* I start X

* I use X for a bit. Within a short time, the psm driver loses sync,
	and never regains it. This manifests as a drunken mouse with
	seemingly random button presses (or, with the test patches
	that were recently posted installed, as the mouse cursor 
	freezing up, which is a slightly better behaviour).

* X is pretty much unusable after that (at least to me, who doesn't
	know all the keystroke shortcuts to drive it without a 
	mouse).

* I kill X with Ctrl-Alt-Backspace (but I'm pretty sure the behaviour
	I'm about to describe has happened when I've switched out
	with Ctrl-Alt-Fn as well).

* if I'm lucky nothing has gone wrong, and I can repeat this whole
	process. But about half the time, the keyboard controller
	also seems to be zonked. Usually the Enter key has been 
	arbitrarily reassigned (sometimes to ScrlLock, sometimes to
	something else). Occasionally other keys get affected too.

* Rebooting does NOT solve the problem - I have to power-cycle the
	machine before the keyboard works properly again.

This does make me wonder whether the mouse problems are not so much in
the psm driver as they are in the underlying kbd driver.

Hardware: Compaq Presario 1600 laptop, Trident Cyberblade/i1 VGA,
		64Mb RAM, 18Gb IBM HDD

Software: FreeBSD-4.0S, last cvsupped about two weeks back.

-- 
Dr Graham Wheeler                        E-mail: gram@cequrux.com
Director, Research and Development       WWW:    http://www.cequrux.com
CEQURUX Technologies                     Phone:  +27(21)423-6065
Firewalls/VPN Specialists                Fax:    +27(21)424-3656


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