Re: [vox-tech] swapping mice
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Re: [vox-tech] swapping mice
On Wed, Mar 12, 2003 at 05:17:19PM -0800, Robin Snyder wrote:
> It is plugged in and getting some kind of data. (The receiver box
> lights up.) I shut down X using ctrl-alt-backspace. No go. I even tried
> rebooting, in case ctrl-alt-backspace didn't shut enough processes down.
> (I don't think it does. Had to reboot to get the Mouseman working again.)
> What am I missing? (And can I do this without rebooting?)
PS/2 style devices are not supposed to be reconnected while the machine
is live. I don't know the details but I've often seen PS/2 style
devices not operate correctly or at all when they are unplugged and
re-plugged in. I've read that it's possible to fry the motherboard
controller chip for the PS/2 port by hot-swapping devices.
While I have never seen a controller chip die by plugging in a PS/2
device while it's on... I have seen lots of keyboards and mice just not
work after they are disconnected and reconnected. At least until the
machine is rebooted.
... but I've also seem some things reconnect and work okay, just I
avoid doing this because I can't count on it.
If you want to confirm you have this problem, try unplugging the mouse
a few times and reconnecting it. See if you can reproduce the "not
working" behavior without changing anything else.
If you want something that can be unplugged while the machine is on
old style serial and new USB devices both don't mind...
> I have two XF86Config-4's, one for each mouse. The one for the
> RemotePoint has worked fine in the past. The one for the Mouseman is the
> one I'm still struggling to configure properly. When I want to use a
> given mouse, I let XF86Config-4 be a symbolic link to one of these files.
> This seems like the best way to do this, and yet, when I switched
> XF86Config-4 to point to my old, RemotePoint file, my old mouse no longer
Actually there is probably a better way which I've never used before:
# -pointer pointer-name
# Use the XF86Config(5x) file InputDevice section
# called pointer-name as the core pointer. By
# default the core pointer input device referenced
# by the default Layout section are used, or the
# first relevant InputDevice section when there are
# no Layout sections.
You could have both mouse configurations in the config file, and
if you boot up and decide to change mice you could switch to the console
login and type something like:
startx -- :1 -pointer Name_Of_Other_Mouse
This will start a second X server for you and use that mouse driver.
If you can find a way for hot swapping the devices not to cause problems
then when you change mice you can switch to your other copy of X with
something like C-A-F7 (I don't know which windows you have it on,
but that's an idea)...
At least this way you don't need to keep logging in as root and moving
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