The same here. It doesn't have to be KDE logout, it is sufficient to run:
akonadictl stop
And immediately those kernel log entries appear:
Jan 16 12:52:24 localhost kernel: akonadi_agent_l[27778]: segfault at 7fe7630a3630 ip 00007fe76dbb1a78 sp 00007fff27885408 error 4 in libQtGui.so.4.7.1[7fe76d7e1000+a4b000]
Jan 16 12:52:24 localhost kernel: akonadi_agent_l[27787]: segfault at 7effa3ec3630 ip 00007effae9cea78 sp 00007fff303709b8 error 4 in libQtGui.so.4.7.1[7effae5fe000+a4b000]
Jan 16 12:52:24 localhost kernel: akonadi_agent_l[27777]: segfault at 7f1e9ec54630 ip 00007f1ea9759a78 sp 00007fffcd60ae58 error 4 in libQtGui.so.4.7.1[7f1ea9389000+a4b000]
Jan 16 12:52:24 localhost kernel: akonadi_agent_l[27776]: segfault at 7f63bb107630 ip 00007f63c5c09a78 sp 00007fff8c9397e8 error 4 in libQtGui.so.4.7.1[7f63c5839000+a4b000]
The same here. It doesn't have to be KDE logout, it is sufficient to run: agent_l[ 27778]: segfault at 7fe7630a3630 ip 00007fe76dbb1a78 sp 00007fff27885408 error 4 in libQtGui. so.4.7. 1[7fe76d7e1000+ a4b000] agent_l[ 27787]: segfault at 7effa3ec3630 ip 00007effae9cea78 sp 00007fff303709b8 error 4 in libQtGui. so.4.7. 1[7effae5fe000+ a4b000] agent_l[ 27777]: segfault at 7f1e9ec54630 ip 00007f1ea9759a78 sp 00007fffcd60ae58 error 4 in libQtGui. so.4.7. 1[7f1ea9389000+ a4b000] agent_l[ 27776]: segfault at 7f63bb107630 ip 00007f63c5c09a78 sp 00007fff8c9397e8 error 4 in libQtGui. so.4.7. 1[7f63c5839000+ a4b000]
akonadictl stop
And immediately those kernel log entries appear:
Jan 16 12:52:24 localhost kernel: akonadi_
Jan 16 12:52:24 localhost kernel: akonadi_
Jan 16 12:52:24 localhost kernel: akonadi_
Jan 16 12:52:24 localhost kernel: akonadi_