[Xorg Mouse Acceleration is Broken in new Xorg 7.4?] Re: Mouse/keyboard no longer work after apt-get dist-upgrade in testing?

Justin Piszcz jpiszcz at lucidpixels.com
Sat Sep 19 15:13:34 PDT 2009



On Sat, 19 Sep 2009, Justin Piszcz wrote:

>
>
> On Sat, 19 Sep 2009, Justin Piszcz wrote:
>
>> On Sat, 19 Sep 2009, Justin Piszcz wrote:
>> 
>>> On Sat, 19 Sep 2009, Justin Piszcz wrote:
>> 
>>>> On Sat, 19 Sep 2009, Justin Piszcz wrote:
>>>> 
>>>>> Hello,
>>>>> 
>>>>> I have two hosts (x86_64) & (x86) running and after apt-get dist-upgrade
>>>>> this morning, I can no longer use my keyboard/mouse on either after a
>>>>> reboot on both machines?
>>>>> 
>>>>> Has anyone experienced anthing similar?
>>>>> 
>>>>> On the x86 host it is ps2(kbd)+usb(mouse).
>>>>> On the x86_64 host it is usb(kbd)+usb(mouse).
>>>>> 
>>>>> Justin.
>>>>> 
>>>> Appears to be a known issue:
>>>> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=364932
>>>> 
>>>> Well here is the fix:
>>>> http://osdir.com/ml/debian-bugs-closed/2009-09/msg02262.html
>>>> 
>>>> Quote:
>>>> 
>>>> The evdev X driver can't work if the CONFIG_INPUT_EVDEV option is 
>>>> disabled
>>>> in your kernel configuration. You'll have to either enable this kernel
>>>> option, or disable the "AutoAddDevices" option in xorg.conf.
>>>> 
>>>> # grep CONFIG_INPUT_EVDEV  .config
>>>> # CONFIG_INPUT_EVDEV is not set
>>>> 
>>>> Trying now.
>>>> 
>>> 
>>> So this fixes the issue (w/ the kernel config option); to where I can use 
>>> my
>>> keyboard and mouse. however, now there is an annoying lagging with the
>>> mouse cursor, I will remove this and try the AutoAddDevices option in
>>> xorg.conf
>>> to see if it fixes it.
>>> 
>>> I have been using the following mouse setting for many years:
>>> 
>>> xset m 20/5 1
>>> 
>>> It no longer works the same anymore either with the new X server (I am
>>> guessing this is the culprit) however I will try the AutoAddDevices and
>>> disable the kernel event interface to see if this returns the mouse
>>> acceleration back to normal.
>>> 
>>> Justin.
>>> 
>> 
>> Update again: Without the kernel option, the 'auto' option for xorg.conf
>> did not work, so my question to the debian-user@ list and xorg@ list is
>> how do I get my old mouse settings back?
>> 
>> xset m 20/5 1 which I have been using for a decade++ no longer yields the
>> same results for the mouse cursor, before, the acceleration was immediate
>> and it stayed the same throughout the cursor movement.  now, when I move
>> the mouse slowly to highlight text for example, it moves 1/3 the speed as
>> usual and only speeds up when I move the mouse much faster.
>> 
>> I can downgrade back to an earlier version of Xorg but I was wondering if
>> there was a proper fix for this problem?  Is there a document on the new
>> settings that makes it so xset m 20/5 1 no longer yields the same
>> acceleration/movement etc as it used to?
>> 
>> ii  xorg                                 1:7.4+4                    X.Org
>> X Window System
>> ii  xserver-xorg-input-mouse             1:1.4.0-4                  X.Org
>> X server -- mouse input driver
>> 
>> The docs in /usr/share/doc/xserver-xorg-input-mouse do not yield and
>> useful information.
>
> Appears to to affect others as well:
> https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/273837
>
> Still looking for a fix/work-around.
>
>
>
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Here:
http://xorg.freedesktop.org/wiki/Development/Documentation/PointerAcceleration#AccelerationProfiles

Still have not been able to make the cursor behavior like it once was, 
however.

Justin.



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