I have a cheap KVM with no mouse emulation and a ps2 mouse. The (crude) way I deal with this problem is to switch to a console session e.g. Ctl-Alt-F1 and then switch back to the X session Ctl-Alt-F7. This resets the mouse and works every time.

Greg

Steven Elling wrote:
On Sat, 2003-12-27 at 11:22, Horror Vacui wrote:

On Sat, 27 Dec 2003 10:59:35 -0600
Steven wrote:


My 2.6.0 problems so far are:

* I have a KVM that doesn't support mouse and keyboard emulation. When
I switch away from Linux and then come back the mouse cursor goes
crazy. Fine enough because I use gpm in repeater mode, have X reading
/dev/gpmdata and use a keyboard sequence to restart gpm for me;
however; under 2.6.0 restarting gpm doesn't help.  The mouse cursor
still goes crazy and the kernel reports "psmouse.c: Wheel Mouse at
isa0060/serio1/input0 lost synchronization, throwing 2 bytes away."

Hm, I think I read something about this kind of thing in a description on www.kernelnewbies.org (IIRC it's called "what to expect from 2.6). It might be a clue.


From
http://ftp.kernel.org/pub/linux/kernel/people/davej/misc/post-halloween-2.6.txt:

Input layer.
~~~~~~~~~~~~
<snip>
- If you use a KVM switcher, and experience problems, booting with the boot
  time argument 'psmouse_noext' should fix your problems.

-----

I will try this out and see if it works. Thanks for the pointer to Kernel Newbies.


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