[X2Go-Dev] occurrence of sluggishness in X2Go

[Mike Gabriel]

Hi Arnold,

On Sa 02 Jun 2012 13:19:27 CEST Arnold Krille wrote:

> On Friday 01 June 2012 08:32:40 Mike Gabriel wrote:
>> just for the record and to let people know about current work focus...
>>
>> People (esp. John) have reported occurrences of a very sluggish
>> behaviour of various applications when run in X2Go sessions.
>
> Add me to that list (and my co-workers).

Noted! :-)

>> We developers can now confirm this. Ubuntu users reported this
>> earlier, Debian user can now also experience such a sluggishness.
>>
>> Reproduce on Debian:
>>
>>    * add squeeze-backports archive to your system
>>    * install iceweasel (esr version)
>>
>> This will drag in a libcairo from squeeze backports that is very
>> probably the cause for making some applications very slow within X2Go
>> sessions.
>>
>> Libcairo is used in all GTK applications and is a layer between GTK
>> and the rendering backend (X11, OpenGL, ...). With some recent version
>> of libcairo the sluggishness got introduced...
>
> Would it help to mask/block the libcairo from squeeze-backports? Or test with
> a newer version from wheezy? Maybe I can squeeze that in next week...

When blocking from squeeze-backports you block out latest  
iceweasel/icedove and many other libcairo/gtk based packages as well.

For wheezy, an installation without the slow libcairo is rather unpossible.

Greets,
Mike


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