[X2Go-Dev] Linphone freezes randomly with X2Go

[Walid MOGHRABI]

Ok, I answer myself because I found a workaround for this specific example ...
This problem occured after updating Chromium to v56.
This is this specific release that has this problem for windows depth ordering.
I downgraded to the previous release available in the repo (v49) and it fixed the problem.

So by now, I'm ok with it, I'll try the next release to see if this is going to be fixed.
Anyway, this problem with this version occures only with X2Go, I had no problem with a local computer so I don't know if this is a "normal behaviour which is faulty on my X2Go environment" or if this is a bug in Chromium.

So ok for Chromium but I still have freezes issues with Linphone and I still don't really know who is faulty (X2Go or any of its dependencies, Linphone itself, MATE desktop, ...) so, sorry if it is definitely not X2Go but since this problem only occures on my TCEs, I thought I could post this here.

Regards,
Walid Moghrabi

TRAVAUX.COM
BAT I - PARC CEZANNE 2 290 AVENUE GALILEE - CS 80403
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----- Mail original ----- 

De: "Walid MOGHRABI" <w.moghrabi at servicemagic.eu> 
À: "Stefan Baur" <X2Go-ML-1 at baur-itcs.de> 
Cc: x2go-dev at lists.x2go.org 
Envoyé: Jeudi 2 Mars 2017 18:32:22 
Objet: Re: [X2Go-Dev] Linphone freezes randomly with X2Go 


Well, this is not only Linphone in fact ... 

I get some new (apparently related) bug here. 
This time, it is easily reproducible : 

Within your X2Go session : 
- on MATE Desktop (tried with both 1.12 which is shipped with Ubuntu 16.04 and 1.16 from the PPA repo), open Chromium browser maximized 
- then open another smaller window, might be Caja or anything else (tried Linphone, VLC, Pluma, ...), the window opens in front of the Chromium window 
- click on the chromium window to bring it to the front 
- try to bring the window behind to the front by clicking in the task panel at the bottom of the screen ... the button blink but the window don't come to the front (Chromium stay in front) 
- only way to make it visible is to minimize Chromium 

When you do that, you get that message in .xsession-errors : 

------------------------------------------------------------------------------------- 
Avertissement du gestionnaire de fenêtres : last_user_time (1517931) is greater than comparison timestamp (2416812277). This most likely represents a buggy client sending inaccurate timestamps in messages such as _NET_ACTIVE_WINDOW. Trying to work around... 
Avertissement du gestionnaire de fenêtres : 0x2800001 (Google –) appears to be one of the offending windows with a timestamp of 1517931. Working around... 
------------------------------------------------------------------------------------- 

Regards, 
Walid Moghrabi 

TRAVAUX.COM 
BAT I - PARC CEZANNE 2 290 AVENUE GALILEE - CS 80403 
13591 AIX EN PROVENCE CEDEX 3 

----- Mail original ----- 

De: "Stefan Baur" <X2Go-ML-1 at baur-itcs.de> 
À: x2go-dev at lists.x2go.org 
Envoyé: Mercredi 1 Mars 2017 19:46:20 
Objet: Re: [X2Go-Dev] Linphone freezes randomly with X2Go 

Am 01.03.2017 um 19:33 schrieb Stefan Baur: 
> Also, what happens if you try to use a different SIP client? 
... and what happens when you use a different Desktop environment like 
LXDE or XFCE? 

-Stefan 

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