On Wed, Jul 26, 2017 at 02:18:45PM +0200, Alf wrote: > Package: libinput10 > Version: 1.6.3-1 > Severity: normal > > * What led up to the situation? > Sweitching from Jessie to Stretch makes the Trackball hardly usable. > Base Speed ist too high, acceleration is too high. It does not consider > that with just a thumb you cannot position as exactly as with a mouse. > Movements over greater distance just needs a small kick to let the ball > spin, which does not apply to mice. > > * What exactly did you do (or not do) that was effective (or > ineffective)? > Tried to adjust the parameters with "xinput" and the XFCE-settings > without success (settings are not respected). > Tried to cheat the DPI-values as given in /lib/udev/hwdb.d/70-mouse.hwdb > for MOUSE_DPI= without success. > Btw: the polling frequeny ist not 167Hz as hwdb suggests, but 125Hz as > reported by solaar: > Wireless Trackball M570 > Codename : M570 > Kind : mouse > Wireless PID : 1028 > Protocol : HID++ 1.0 > Polling rate : 8 ms (=125Hz) > Serial number: BD48472C > Firmware: 26.00.B0003 > Bootloader: 02.06 > Other: 00.01 > * What was the outcome of this action? > None of the known adjustments are respected by libinput - no changes. > > For now I had to revert to xserver-xorg-input-evdev which allows > detailled adjustments to operate the trackball a comfortable way. > To obtain a "clean Xorg.log" I also had to set libinput to ignore all > mice and keyboars. All works like a charm with evdev! > > Remak: xserver-xorg-input-evdev sets a Velocity Scaling (267): > 10.000000, while libinput sets it fixed to 15.000000. Could you please test version 1.11.2-1 and report back? Best regards > > -- System Information: > Debian Release: 9.1 > APT prefers stable > APT policy: (500, 'stable') > Architecture: amd64 (x86_64) > > Kernel: Linux 4.9.0-3-amd64 (SMP w/4 CPU cores) > Locale: LANG=de_DE.utf8, LC_CTYPE=de_DE.utf8 (charmap=UTF-8), > LANGUAGE=de_DE.utf8 (charmap=UTF-8) > Shell: /bin/sh linked to /bin/dash > Init: systemd (via /run/systemd/system) > > Versions of packages libinput10 depends on: > ii libc6 2.24-11+deb9u1 > ii libevdev2 1.5.6+dfsg-1 > ii libinput-bin 1.6.3-1 > ii libmtdev1 1.1.5-1+b1 > ii libudev1 232-25+deb9u1 > ii libwacom2 0.22-1+b1 > > libinput10 recommends no packages. > > libinput10 suggests no packages. > > -- no debconf information --
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