FS#35169 - [KDE] activities crash when switching them

Attached to Project: Arch Linux
Opened by Saso (Shark) - Thursday, 09 May 2013, 17:15 GMT
Last edited by Andrea Scarpino (BaSh) - Friday, 10 May 2013, 18:22 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Andrea Scarpino (BaSh)
Sven-Hendrik Haase (Svenstaro)
Architecture i686
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Description:
I have KDE and few days ago (7th may) i have updated kdelibs (4.10.2-3 -> 4.10.2-4) and kdebase-workspace (4.10.2-1 -> 4.10.2-2). Since then, even after upgrade to KDE 4.10.3, i have problems with activities. They crash every time i switch to another activity. Downgrading solves the problem.
On KDE forums suggested that it has to be a packaging problem (Arch issue) (see http://forum.kde.org/viewtopic.php?f=66&t=111111&p=264652#p264652).

What i have try:
-creating new user
-clearing cache
-removing .kde4 folder

Additional info:
Output from kactivitymanagerd

Steps to reproduce:
Switch to another activity. Always reproducible.
This task depends upon

Closed by  Andrea Scarpino (BaSh)
Friday, 10 May 2013, 18:22 GMT
Reason for closing:  Duplicate
Additional comments about closing:   FS#35159 
Comment by Saso (Shark) - Thursday, 09 May 2013, 19:51 GMT
Here is the output from terminal.
   outputkactivity (1.7 KiB)
Comment by zless (roentgen) - Thursday, 09 May 2013, 20:01 GMT
No crash here. I'd suggest you look into installed AUR packages that need rebuilding.
Comment by Saso (Shark) - Thursday, 09 May 2013, 21:57 GMT
I have removed all AUR packages and the problem still persist. I have tried with fresh .kde4 folder without sucess.
Comment by Howard Coleman (Anatin) - Friday, 10 May 2013, 04:27 GMT
I experienced the same problem. I built debug versions of qt4 and kactitivies to try to get a useful trace. When I install the debug build of qt4, the problem goes away (with either the release or debug build of kactivities). The qt4 debug was built with strip turned off and debug turned on in makepkg.conf, and with the -developer-build flag passed to configure in PKGBUILD.

KCrash listing using release build of qt4 and debug build of kactivities is attached. (The crash occurs in Thread 3.) KCrash says it "may be useful" - I hope he's right.
   kcrash.txt (9 KiB)
Comment by Saso (Shark) - Friday, 10 May 2013, 05:27 GMT
Do you have KDE 4.10.2-2 or 4.10.3-1?
Comment by Howard Coleman (Anatin) - Friday, 10 May 2013, 13:52 GMT
When I first saw the problem, I had 4.10.2-2. The problem continued after the upgrade to 4.10.3-1, and that's the version the debug listing was generated for.
Comment by Saso (Shark) - Friday, 10 May 2013, 14:05 GMT
Then it looks like it could be problem in qt4?
Comment by Howard Coleman (Anatin) - Friday, 10 May 2013, 14:24 GMT
Yeah, the fact that the problem doesn't show up for a debug build of qt4 suggests to me that there might be a configuration issue somewhere in qt4. I'd have to understand qt a lot better than I do now (which is not at all) before I could make a guess about what the code problem is.
Comment by Andrea Scarpino (BaSh) - Friday, 10 May 2013, 17:12 GMT
Looks like https://bugs.kde.org/show_bug.cgi?id=316087 right?
Comment by Howard Coleman (Anatin) - Friday, 10 May 2013, 17:45 GMT
Looks the same to me. On the forums at https://bbs.archlinux.org/viewtopic.php?pid=1270#p1270640, Seth also suggests a connection to  bug 35159  (https://bugs.archlinux.org/task/35159). I'm going to try out his test app.
Comment by Saso (Shark) - Friday, 10 May 2013, 18:15 GMT
Hey, this package of qt4-4.8.4-18 in https://bugs.archlinux.org/task/35159 resolves my issue. Problem solved.

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