Bug 47770

Summary: synaptics-1.5.1, xserver-1.12 erratic pointer movement
Product: xorg Reporter: Chí-Thanh Christopher Nguyễn <chithanh>
Component: Input/synapticsAssignee: Peter Hutterer <peter.hutterer>
Status: RESOLVED FIXED QA Contact:
Severity: normal    
Priority: medium CC: guido
Version: unspecified   
Hardware: Other   
OS: All   
Whiteboard:
i915 platform: i915 features:

Description Chí-Thanh Christopher Nguyễn 2012-03-23 07:15:41 UTC
This problem was originally described in bug 47654 comment 3.

With synaptics-1.5.1 and X server 1.12 the pointer acceleration seems not working correctly. It is slower than it should be and it occasionally jumps across the screen.

Applying the following patch from master will fix the pointer behavior:

From 7c0361d4ec6b1f1325cb6551d0ee2e7f5cfae15b Mon Sep 17 00:00:00 2001
From: Daniel Stone <daniel@fooishbar.org>
Date: Thu, 09 Jun 2011 19:03:05 +0000
Subject: Adjust acceleration scheme for input ABI v14
Comment 1 Paul Seidler 2012-03-23 09:02:23 UTC
*** Bug 47772 has been marked as a duplicate of this bug. ***
Comment 2 Peter Hutterer 2012-03-25 18:13:34 UTC
Cherry-picked as commit 9a71f6dc88152f2599a8752ccdca1b09e6e975e4, thanks.
Comment 3 guido 2012-03-26 09:49:12 UTC
Yes, I confirm, fixed in version 1.5.2 along with https://bugs.freedesktop.org/show_bug.cgi?id=47654.

Thanks Peter.

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