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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - Wobbly AlpsPS/2 ALPS DualPoint TouchPad"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104828#c42">Comment # 42</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - Wobbly AlpsPS/2 ALPS DualPoint TouchPad"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104828">bug 104828</a>
from <span class="vcard"><a class="email" href="mailto:Hi-Angel@yandex.ru" title="Hi-Angel <Hi-Angel@yandex.ru>"> <span class="fn">Hi-Angel</span></a>
</span></b>
<pre>(In reply to fthx from <a href="show_bug.cgi?id=104828#c40">comment #40</a>)
<span class="quote">> ~$ sudo libinput debug-events --verbose | grep hyst
>
> event8 - hysteresis disabled</span >
That "disabled" means you don't have the latest libinput (i.e. unreleased one,
from here <a href="https://cgit.freedesktop.org/wayland/libinput/">https://cgit.freedesktop.org/wayland/libinput/</a>). The algorithm been
changed to have it disabled by default, then to enable if wobbling detected.
<span class="quote">> (after ~10 seconds and woobling)</span >
Yeah, right, the command created, like, a distinct and clean session, that had
hysteresis enabled for 10 seconds. However XServer runs another session which
already have hysteresis disabled, and those two session doesn't influence each
another in any way, that's why you saw cursor been wobbling even before
"disabled" popped up.</pre>
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