Thank you, Liviu. It seems that Jean-Marc, below in this thread, has given an important clue to the solution of this strange problem.
Yours, Hermann Josef Am Thu, 09 Jun 2016 12:21:06 +0200 schrieb Liviu Andronic: > On Thu, Jun 9, 2016 at 12:11 PM, Hermann Josef Eckl > <kommunikat...@regenpfeifer.eu> wrote: >> Thank you, Guillaume, for your advice. I tried this PPA with LyX 2.2. >> >> Unfortunately the problem persists also with this new version. >> Additionally, the selection of text is VERY slowly and the selection >> breaks again after some words or lines. >> > Are you seeing this in a large document? Can you come up with a minimal > reproducible .lyx file? http://wiki.lyx.org/FAQ/MinimalExample > > > Liviu > > >> Yours, Hermann Josef >> >> Am Wed, 08 Jun 2016 15:35:35 +0100 schrieb Guillaume Munch: >> >>> I fixed a bug like this in 2.2. I would advise you to try 2.2 from the >>> PPA https://launchpad.net/~lyx-devel/+archive/ubuntu/release . >> >>> Le 08/06/2016 08:06, Hermann J. Eckl a écrit : >> >>>> Currently I have installed Ubuntu 16.04 LTS - and am facing a very >>>> strange an annoying problem: I have difficulties to select longer or >>>> even shortes pieces of text with the keyboard or mouse. >>>> >>>> If I am trying to select some text, the selection captures only short >>>> passages and fails after some words or paragraphs, regardless of >>>> whether I am selecting with the mouse or with keyboard shortcuts. ALl >>>> other programmes (text editor, Libre Office etc.) are working >>>> correctly and I can select text withput any problems. >>>> >>>> I am facing this problem with at least 4 computers, all of them have >>>> installed Ubuntu 16.04 LTS and LyX 2.1.4. I am running another >>>> machine with Debian 8.x and have no problems at all. Of course I have >>>> tried different keyboards and mice, I have also reinstalled Lyx and >>>> TexLive and I have deleted my old Lyx configuration files. >>
