Subject: Re: [X2Go-Dev] Bug#1172: ThunderBird crashes in PubApp mode on amd64

From: Walid MOGHRABI <[email-masked]>
Date: Fri, 5 May 2017 17:33:42 +0200 (CEST)

I would recommend disabling GLX by uncommenting this line in /etc/x2go/x2goagent.options :

#X2GO_NXAGENT_DEFAULT_OPTIONS+=" -extension GLX"

GLX is unusable with the current NX-Libs (even Arctica ones) but since the extension is enabled, some components still tries to use H/W acceleration for some parts.
I get far better results (especially stability wise) with this option disabled.

I would even consider disabling it "by default" until a proper GLX support is added to nx-libs.

Regards,
Walid Moghrabi

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

De: "Stefan Baur" <[email-masked]> 
À: [email-masked] 
Cc: "Mihai Moldovan" <[email-masked]>, "Mike Gabriel" <[email-masked]> 
Envoyé: Vendredi 5 Mai 2017 16:30:41 
Objet: [X2Go-Dev] Bug#1172: ThunderBird crashes in PubApp mode on amd64 

package: nx-libs 

Hi, 

since Debian Jessie (stable) switched from IceDove back to ThunderBird, 
TB crashes when the host is an amd64 machine and X2GoClient is running 
in PubApp mode. i386 is unaffected. 

It happens with X2GoClient on Windows as well as on Linux, so it's not a 
matter of VcXsrv being too old/broken/whatever. 

It also happens when all X2Go server components are installed from heuler. 

It does NOT happen when you build nx-libs from source using the Debian 
Experimental repository. 

So there's something in the stable nx-libs that's broken on amd64 only, 
and got fixed in the nx-libs version that is available via Debian 
Experimental. 

Core-Devs, please advise how to fix this - should we dare making a new 
nx-libs release and declare it stable, based on what is in Debian 
Experimental (arguing that everything is better than what we currently 
have)? Or should we try to hunt down the offending code part and only 
patch that? If the latter, who's willing to take a stab at it? (We 
don't have a business case ATM, as all my TB-PubApp-users are still on 
i386, so no funding as of now.) 

Kind Regards, 
Stefan Baur 

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