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<div>Postscript: systemd-hwdb-update.service calls "systemd-hwdb update", which ignores any changes made in /etc/udev/hwdb.d/*.hwdb</div>
<div>It reverts any changes to hwdb.bin which have been made by "udevadm-hwdb --update"</div>
<div>Therefore the workaround command sequence required to ensure that changes made in /etc/udev/hwdb.d/*.hwdb are reflected in hwdb.bin *and persist* is:</div>
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<div><code>systemctl mask systemd-hwdb-update.service</code></div>
<div><code>udevadm hwdb --update</code></div>
<div><code>udevadm trigger /dev/input/eventXX</code></div>
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<div>Suggestion for a fix:</div>
<div>1. Deprecate systemd-hwdb</div>
<div>2. Modify udevadm help text and man page to show the "hwdb --update" command option again</div>
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