Re: [X2Go-User] Update: Problems after upgrading to recent x2go-server and x2go client releases

[Mihai Moldovan]

* On 03/13/2018 02:41 PM, h i wrote:
> When using the ppa:x2go/stable repository, something seemed strange when I ran
> the update manager in Ubuntu 14.04 and Ubuntu 16.04. I received a message 
> about
> a partial upgrade I've never seen since using Ubuntu. I've attached the 
> message.
> After running this partial upgrade, I started experiencing the flickering
> problems. Removed x2goserver entirely, and did a fresh install of the most
> update to date version. Still experiencing the flickering problems.

Hm, I don't know what a partial update means. If you upgraded successfully there
should be no partial upgrades.

Switching from stable to saimaa directly is not possible, though.

You will need to uninstall all X2Go packages first, then add the Saimaa
repository and reinstall.


> I no longer experience the flickering when maximizing/minimizing or moving the
> window from side-to side. Everything is working fine like it was prior to the
> most recent update from the ppa:x2go/stable repository. I think I'm going to
> stick with the Saimaa repository for now until the bugs are fixed from
> the ppa:x2go/stable  repository.  

Fine, but please follow the release announcements to know when that happens.


> Also going to stick with x2goclient 4.1.0.0 where there is no issue with
> clicking the session panel. I can click where I'm accustomed to clicking 
> again.

Note that X2Go Client prior to 4.1.1.1 won't work correctly with the new stable
release of X2Go Server due to Xinerama changes.



Mihai



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Re: [X2Go-User] Update: Problems after upgrading to recent x2go-server and x2go client releases

[h i]

Hello,

When using the ppa:x2go/stable repository, something seemed strange when I ran 
the update manager in Ubuntu 14.04 and Ubuntu 16.04. I received a message about 
a partial upgrade I've never seen since using Ubuntu. I've attached the 
message. After running this partial upgrade, I started experiencing the 
flickering problems. Removed x2goserver entirely, and did a fresh install of 
the most update to date version. Still experiencing the flickering problems.

I  uninstalled everything from x2goserver on our system. Also uninstalled any 
lingering package versions that might conflict with trying to install from the 
Saimaa repository.

After cleaning, I installed x2goserver from the Saimaa repository.

I no longer experience the flickering when maximizing/minimizing or moving the 
window from side-to side. Everything is working fine like it was prior to the 
most recent update from the ppa:x2go/stable repository. I think I'm going to 
stick with the Saimaa repository for now until the bugs are fixed from the 
ppa:x2go/stable  repository.

Also going to stick with x2goclient 4.1.0.0 where there is no issue with 
clicking the session panel. I can click where I'm accustomed to clicking again.

Why are there 2 repositories for x2go and which one should we use for the 
long-term?

Any help would be appreciated.

h.


From: x2go-user  on behalf of h i 

Sent: Friday, March 9, 2018 4:23 PM
To: x2go-user@lists.x2go.org
Subject: Re: [X2Go-User] Problems after upgrading to recent x2go-server and 
x2go client releases


Mihai,


Thanks for your response. Please see my responses below:


* On 03/07/2018 07:34 PM, h i wrote:
> >I've been experiencing problems with opening applications and resizing my 
> >x2go
> >client window after installing the newest version x2go-server.
>
>
> >The issues occurs on Ubuntu 14.04 and 16.04.
>
>
> >What happens now is that every time I maximize my x2go-client window, the 
> >images
> >on screen rapidly flicker and won't stop until I minimize the screen.

>>The flickering is a known problem, but as far as we can tell only appears on
>>Windows (and even then not with all X servers, but prominently with VcXsrv, 
>>that
>>we bundle). It's tracked here: 
>>https://github.com/ArcticaProject/nx-libs/issues/600

> Also, each time I move the window, a quick flicker occurs across the screen.

>Probably related to the move being something alike to a resize and thus also
>triggering the new xinerama code.


> >This never occurred before this new release.

>There is no known workaround currently, though it might be possible to just
>ignore multiple resize events in nxagent if the requested size doesn't change.
>We'll have to see how that goes.





I think I might have to roll-back to the previous x2goserver version. At least 
with our setup, we never had a flicker issue until this most recent  update.




> >On the client side, I upgraded to the 4.1.1.1 from 4.1.0.0 and experienced 
> >some
> >issues. I have to click on the outside/top-right edge of the session panel 
> >for
> >the login session window to appear. Any thing closer to the middle, and it 
> >won't
> >respond.

>This is not an issue, but an often requested new feature. I've changed the
>click-sensitive area to an upside-down L shape around the session settings that
>can be modified within the tile. Actually like this, where "s" denotes a
>click-sensitive area:

 ___
|sss|
|sss|
|sss|
|sss|
|sss|
|sss|
 ---

>The problem so far has been that users can normally edit some exposed settings
>within a tile, but doing so proved to be very difficult since an incorrect 
>click
>triggered a session startup instead of changing a setting, which was happening
>quite often.

>The sensitive area isn't small and figuring that out shouldn't take long
>usually, so I guess you've just been unlucky to always click on the right hand
>side which is typically insensitive but in the upper part.





Interesting. Yeah, I never had an issue with the sensitive area. Understandable 
that others might have an issue.





> >Once logged into a session, the flickering resulting
> >from moving/maximizing the window is much worse.
> >
>> Fortunately, I was able to revert back to x2go-client 4.1.0.0.

>Huh, the flickering should be always the same, whether a session has been
>started with 4.1.1.1 or 4.1.0.0. Though, potentially there could be a
>difference: versions prior to 4.1.1.1 won't be able to utilize the Xinerama
>feature in X2Go Server 4.1.0.0, so when connecting with older client versions
>Xinerama will always be disabled in nxagent.


>> However,is there a way to revert back to this previous version/configuration
>> of x2goserver. Right now, it is has been a lot of flickering