Public bug reported:
Expected results:
alt+tab hot-key successfully switch the application to foreground for me.
Actual results:
Sometimes it crashed the window system, and most time it works
Reproduce:
1. login
2. open gnome-terminal via unity panel
3. open chromium-browser via unity panel
4. press alt + tab
(sometimes it will crash, if not, re-do it again.)
I attached gdb log in the bug, it seems the error happened at
unity::switcher::SwitcherController::CompareSwitcherItemsPriority,
I've tried print the value when specific the frame #2 in gdb,
print first->Type() will return me an actual ApplicationType
but print second->Type() will cause me a segmentation fault.
I'm running on the 4.28.0-0ubuntu2 unity so I think this issue is new.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: unity 4.28.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
CompizPlugins:
[core,bailer,detection,composite,opengl,compiztoolbox,decor,mousepoll,regex,vpswitch,imgpng,resize,move,gnomecompat,wall,place,session,grid,snap,unitymtgrabhandles,animation,workarounds,expo,fade,scale,ezoom,unityshell]
Date: Mon Mar 5 17:21:45 2012
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110413)
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: unity (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug oneiric running-unity
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https://bugs.launchpad.net/bugs/946965
Title:
alt+tab makes unity crashed (with gdb logs)
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