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This is an automatically generated e-mail. To reply, visit:
https://git.reviewboard.kde.org/r/123494/
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(Updated April 25, 2015, 2:09 p.m.)
Status
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This change has been marked as submitted.
Review request for Plasma, Ivan Čukić and Marco Martin.
Changes
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Submitted with commit 317421fd23eabd17d84320a31552c40ccd45a778 by Bhushan Shah
to branch master.
Repository: plasma-workspace
Description
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This avoids the crash situation where something have created the activity
consumer earlier and currentActivityChanged signal is emitted before view is
created.
```
#0 PlasmaQuick::View::setContainment (this=0x0, cont=0x16a9fc0) at
/home/bshah/aur/plasma-framework-git/src/plasma-framework/src/plasmaquick/view.cpp:243
#1 0x0000000000462097 in StandaloneAppCorona::currentActivityChanged
(this=0x7772a0, newActivity=...)
at
/home/bshah/aur/plasma-workspace-git/src/plasma-workspace/shell/standaloneappcorona.cpp:192
#2 0x00007ffff32383c9 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#3 0x00007ffff71f9763 in KActivities::Consumer::currentActivityChanged
(this=0x741aa0, _t1=...) at
/home/bshah/aur/kactivities-git/src/build/src/lib/core/moc_consumer.cpp:216
#4 0x00007ffff71f94dd in KActivities::Consumer::qt_static_metacall
(_o=0x741aa0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fffffffa570)
at
/home/bshah/aur/kactivities-git/src/build/src/lib/core/moc_consumer.cpp:103
#5 0x00007ffff32383c9 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#6 0x00007ffff71f91d6 in KActivities::ActivitiesCache::currentActivityChanged
(this=0x77c900, _t1=...) at
/home/bshah/aur/kactivities-git/src/build/src/lib/core/moc_activitiescache_p.cpp:353
#7 0x00007ffff71ee4f7 in KActivities::ActivitiesCache::setCurrentActivity
(this=0x77c900, activity=...)
at
/home/bshah/aur/kactivities-git/src/kactivities/src/lib/core/activitiescache_p.cpp:297
```
I hit this crash when creating recent media backend for pmc. First
backendsmodel is initalized which in turn loads the recentmedia backend and
hence creates the activity consumer first. Afterwards when signal is connected
it calls currentActivityChanged slot and fails to set containment on null view.
Diffs
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shell/standaloneappcorona.cpp efa5c91
Diff: https://git.reviewboard.kde.org/r/123494/diff/
Testing
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works fine
Thanks,
Bhushan Shah
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