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<body><span class="vcard"><a class="email" href="mailto:peter.hutterer@who-t.net" title="Peter Hutterer <peter.hutterer@who-t.net>"> <span class="fn">Peter Hutterer</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTABUG - Using mouse wheel to scroll to one direction sometimes jumps a bit to the other direction"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91196">bug 91196</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEEDINFO
</td>
<td>RESOLVED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>NOTABUG
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTABUG - Using mouse wheel to scroll to one direction sometimes jumps a bit to the other direction"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91196#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTABUG - Using mouse wheel to scroll to one direction sometimes jumps a bit to the other direction"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91196">bug 91196</a>
from <span class="vcard"><a class="email" href="mailto:peter.hutterer@who-t.net" title="Peter Hutterer <peter.hutterer@who-t.net>"> <span class="fn">Peter Hutterer</span></a>
</span></b>
<pre>hmm, not sure what to do here, this appears to be a hardware issue. Look at the
events (after a grep):
E: 4.503993 0002 0008 -001 # EV_REL / REL_WHEEL -1
E: 4.535996 0002 0008 -001 # EV_REL / REL_WHEEL -1
E: 4.551996 0002 0008 -001 # EV_REL / REL_WHEEL -1
E: 4.567994 0002 0008 -001 # EV_REL / REL_WHEEL -1
E: 4.583995 0002 0008 -001 # EV_REL / REL_WHEEL -1
E: 4.607994 0002 0008 -001 # EV_REL / REL_WHEEL -1
E: 4.888004 0002 0008 0001 # EV_REL / REL_WHEEL 1
E: 4.911997 0002 0008 -001 # EV_REL / REL_WHEEL -1
E: 4.928007 0002 0008 0001 # EV_REL / REL_WHEEL 1
E: 4.943995 0002 0008 0001 # EV_REL / REL_WHEEL 1
E: 4.959997 0002 0008 -001 # EV_REL / REL_WHEEL -1
E: 4.983997 0002 0008 -001 # EV_REL / REL_WHEEL -1
...
the first number is the time in seconds since starting evemu. so you do really
get wrong scroll events on that mouse at random intervals. the rest of the log
shows the same issue.
note that the events are as they come directly from the kernel, libinput or
other pieces of the stack have no effect here. in fact, these are the same
events that libinput would see.
there isn't much we can do here tbh, looks like the HW is broken. sorry.</pre>
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