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Bug 1307

Summary:	Flickering screen when opening/closing apps
Product:	TDE	Reporter:	Kris <krisgamrat>
Component:	system	Assignee:	Timothy Pearson <kb9vqf>
Status:	RESOLVED WORKSFORME
Severity:	major	CC:	bugwatch, kb9vqf, krisgamrat, michele.calgaro
Priority:	P5
Version:	R14.0.0 [Trinity]
Hardware:	Other
OS:	Linux
Compiler Version:		TDE Version String:
Application Version:		Application Name:

Description Kris 2012-11-08 11:55:42 CST

When opening and closing programs within TDE (regardless of whether or not the program is from TDE, or even from Qt3 or TQt), the screen will blank for a moment. Sometimes the screen will come back automatically within a couple seconds, other times I have to move the arrow to get it back. The only thing that remains on screen (sometimes) when this happens is the arrow. The screen remains on, however, and doesn't shut off (I can still see the some light being emitted from the screen).

This started happening within the last month. I did not upgrade/downgrade Xorg, my display driver, or my kernel when this started happening. Originally, R14 did not do this.

Logging in to Fluxbox, this does not happen, regardless of whether or not I open or close a TDE or non-TDE program. It only occurs within TDE.

Video card/Xorg/Kernel info available if necessary, though since these have not changed, I doubt they are needed.

In case it matters, I am on Debian Squeeze 32bit. I'm not sure if this is reproducible on another distro or Xorg version, I have none to test with.

Comment 1 Timothy Pearson 2012-11-08 11:57:44 CST

Try disabling the TDE compositor (kompmgr) and see if that resolves the issue.  It can be disabled from KControl->Window Behaviour->Translucency

Comment 2 Kris 2012-11-08 12:02:30 CST

(In reply to comment #1)
> Try disabling the TDE compositor (kompmgr) and see if that resolves the issue. 
> It can be disabled from KControl->Window Behaviour->Translucency

It was already disabled when I went to check.

I thought it was disabled by default, anyways?

Comment 3 Darrell 2012-11-10 12:52:21 CST

I am using R14 GIT on Slackware 13.1 32-bit and Slackware 14.0 64-bit. I have not seen this bug. I mention this only only as a note in case the bug is related only to Debian.

With that said, perhaps even if the built-in compositor is disabled, some other eye candy option might be causing this. I use no eye candy at all and therefore would never see the problem if that is indeed the cause. Perhaps then hunt for any and all possible eye candy options and methodically disable them one by one to see whether the bug disappears?

Comment 4 Kris 2012-11-11 16:10:59 CST

(In reply to comment #3)
> I am using R14 GIT on Slackware 13.1 32-bit and Slackware 14.0 64-bit. I have
> not seen this bug. I mention this only only as a note in case the bug is
> related only to Debian.
> 
> With that said, perhaps even if the built-in compositor is disabled, some other
> eye candy option might be causing this. I use no eye candy at all and therefore
> would never see the problem if that is indeed the cause. Perhaps then hunt for
> any and all possible eye candy options and methodically disable them one by one
> to see whether the bug disappears?

I have never enabled any eye candy, and aside from Kcontrol -> Appearance & Themes, and Kcontrol -> Desktop, I know not of any other eye candy that I can try to enable.

Comment 5 Michele Calgaro 2014-03-05 22:18:53 CST

I have also never seen this bug in my Debian system.
Kris, is the bug still valid?

Comment 6 Timothy Pearson 2014-11-18 15:46:15 CST

Closing due to inactivity and an inability to reproduce.