[Thinlinc-technical] Spurious tlclient instances on IGEL terminals after suspend/resume?

[Peter Astrand]

Hi. We have reproduced the problem in our lab now. Apparently, it seems 
like the IGEL connection manager requires that applications have the X11 
property called "_NET_WM_PID" in order to terminate the application before 
suspend. The ThinLinc client currently does not set that property, but 
I've added a bug for that:

https://www.cendio.com/bugzilla/show_bug.cgi?id=5337

Br,
Peter

On Tue, 28 Oct 2014, Torsten Kasch wrote:

> Hi,
>
> while testing various IGEL terminal models with our ThinLinc test setup I
> stumbled across the following issue:
>
> Scenario: ThinLinc client configured as the only "Autostart" and "Restart"
> session (i.e. ThinLinc client is automatically launched after booting the
> terminal and after session exit).
>
> Symptom: With no ThinLinc session running (i.e. client shows login window) put
> the terminal to sleep/suspend mode. After waking it up again, an additional
> ThinLinc client instance is started in addition to the one that was running when
> the terminal went to sleep. After n suspend/resume cycles you'll have n+1 client
> instances which you only notice when moving the login windows aside (or by the
> growing number of icons in the task bar, if you have not hidden it via IGEL setup).
>
> This happens with the quite old ThinLinc 3.2 client as shipped by IGEL as well
> as with a 4.3-beta installed on the custom partition. I already opened a ticket
> with IGEL about this issue, but maybe this is ThinLinc-specific? At least I
> could not reproduce this behaviour with other clients (rdesktop, ssh) which seem
> to get terminated on entering suspend mode.
>
> Or did I mis-configure something?
>
> cheers,
> 	Torsten
>
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---
Peter Astrand		ThinLinc Chief Developer
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