Date: Tue, 13 May 1997 17:36:52 +0900 From: Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> To: john@isi.co.jp Cc: freebsd-bugs@freebsd.com, yokota@zodiac.mech.utsunomiya-u.ac.jp Subject: Re: Quick (freebsd 2.2.1 / xf86 3.2 / flakey mouse) question Message-ID: <199705130836.RAA15615@zodiac.mech.utsunomiya-u.ac.jp> In-Reply-To: Your message of "Tue, 13 May 1997 09:08:05 JST." <199705130008.JAA00677@ns.isi.co.jp> References: <199705130008.JAA00677@ns.isi.co.jp>
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> I searched the freebsd and XF86 FAQ's but found nothing
>corresponding the the problem I'm experiencing. I have a
>ps/2 mouse systems mouse that exhibits wierd behavior
>under both fvwm and twm.
>
>The cursor can be moved with the mouse, however the cursor
>instantly 'homes' back to the lower left corner of the screen
>at seemingly random times. The frequency of this is so high
>that X is effectively unuseable.
Hmm... Sounds like synchronization problem. AFAIK, you are the first
and only person who is reporting this problem under 2.2.1. The PS/2
mouse driver `psm' under 2.2.1 is expected to be more robust than the
ones in previous versions, but,... Well, your system seems to be
proving otherwise.
To verify that the X server and the mouse are out of synchronization,
please do the following when your mouse behaves erratically next time:
1) Switch to a vty by pressing Ctl-Alt-Fn, leaving the X session
in the background.
2) Then, go back to the X session again.
If your mouse starts working at this point (even though it may go
crazy again after a short while), we can conclude your system has the
sync. problem.
Then, the following configuration option may improve your situation,
(but may not completely eradicate the problem):
options "PSM_CHECKSYNC"
Add the above line to your kernel configuration file, rebuild the
kernel, and see how it fares. Please refer to the handbook
(/usr/share/doc/handbook) on how to rebuild the kernel. You may see
messages like below in the console (vty0).
psmintr: sync. bit is off (XX).
>The mouse is at 0x60, IRQ 12 as usual and conflicts with
>no other device as best as I can tell. I suspect some
>xf86 configuration problem here as the erratic behavior
>occurs in fvwm and twm. I tried selecting mouse comm
>protocols other than ps/2, which only made things worse.
The protocol must be "ps/2" regardless of the brand of your PS/2
mouse.
BTW, which brand of PS/2 mouse are you using?
Kazu
>Incidentally I have the same configuration except for
>the video server, installed on another machine which
>functions as expected. The working installation uses
>the non-accelerated "svga" server. On the other machine
>I've tried both "svga" and "s3v" servers. In both
>installations, "moused" is not running.
>PS: Iwill P55TV SCSI Motherboard with Award BIOS, Diamond Stealth
> 2000 3D video card
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