Brightness up/down keys stopped working?

David Rosenstrauch darose at
Mon Jun 26 20:23:48 CEST 2017

On 06/26/2017 09:57 AM, David Rosenstrauch wrote:
> On 2017-06-20 6:07 pm, Vinzenz Vietzke wrote:
>> Am 20.06.2017 um 17:46 schrieb David Rosenstrauch:
>>> I'm not sure what triggered this, but it looks like some recent upgrade
>>> has disabled the XF86MonBrightnessUp & Down keys, and I think the issue
>>> might be limited to XFCE.  (When I run xev under XFCE, it never
>>> registers that key press.  But when I launch fluxbox in VT8 and run xev
>>> there it does.)
>>> Anyone aware of any recent release that might have caused this?  (And,
>>> if so, how I might fix it?)
>> Hi,
>> what distribution, which xfce version? Plus: what machine are you
>> running it on?
>> vinz.
> Arch Linux, XFCE 4.12.1, Kernel 4.11.6, running on a Dell Latitude E7470.
> DR

If anyone's interested, I finally found out the cause.  A new release of 
KDE's plasma-workspace package (which I have installed, but not running) 
is causing a conflict with xfce4-notifyd in dbus.  I opened a bug about 


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