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From: =?UTF-8?Q?Ren=c3=a9_Berber?= <rene DOT berber AT gmail DOT com>
Subject: Re: opencv 3.2.0-1: imshow() very slow
Date: Sat, 13 May 2017 19:07:00 -0500
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On 5/13/2017 6:50 PM, Falk Tannhäuser wrote:

[snip]
> Starting the cvtest programs in a Gnome session doesn't change anything:
> always the same warning message and a 25-seconds delay before displaying
> the picture in a window.

Then it gets complicated, the problem seems to be Dbus' configuration.

There should be a session.conf under /etc, if not, then the dbus-daemon
is using defaults which, if I remember correctly, changed 2 or 3
versions ago to being restrictive (of course they call it "secure"),
that is: don't allow anything to connect to Dbus, unless specified on
the configuration.

I might be wrong, haven't used Dbus in a while.
-- 
R. Berber


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