[Akonadi] [Bug 363741] akonadi server 16.04.1: crashing every few seconds

[Jan-Matthias Braun via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=363741

Jan-Matthias Braun <jan_braun at gmx.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jan_braun at gmx.net

--- Comment #8 from Jan-Matthias Braun <jan_braun at gmx.net> ---
Hi!

I am seeing similar behaviour since 16.04.x, and checked up to 16.04.2 and
16.04-git.
I am using qt 5.7, xapian 1.4, frameworks 5.23, and mariadb 10.1.14 on gentoo,
too.

One of my backtraces looks like this and is only partially usable:
0: akonadiserver() [0x4ac960]
1: akonadiserver() [0x4acc5f]
2: /lib64/libc.so.6(+0x33250) [0x7f025e5b3250]
3: /usr/lib64/libxapian.so.30(+0x1b2508) [0x7f0248531508]
4: /usr/lib64/libxapian.so.30(+0x7554b) [0x7f02483f454b]
5:
/usr/lib64/libxapian.so.30(_ZNK6Xapian5Query8Internal20postlist_sub_or_likeERNS_8Internal9OrContextEP14QueryOptimiserd+0x21)
[0x7f02483f1e21]
6: /usr/lib64/libxapian.so.30(+0x745a3) [0x7f02483f35a3]
7: /usr/lib64/libxapian.so.30(+0x74e1a) [0x7f02483f3e1a]
8: /usr/lib64/libxapian.so.30(+0x1b266a) [0x7f024853166a]
9: /usr/lib64/libxapian.so.30(+0x1c2991) [0x7f0248541991]
10:
/usr/lib64/libxapian.so.30(_ZNK6Xapian7Enquire8Internal8get_msetEjjjPKNS_4RSetEPKNS_12MatchDeciderE+0x1c1)
[0x7f02483dd8f1]
11:
/usr/lib64/libxapian.so.30(_ZNK6Xapian7Enquire8get_msetEjjjPKNS_4RSetEPKNS_12MatchDeciderE+0x24)
[0x7f02483ddc34]
12:
/usr/lib64/libKF5AkonadiSearchXapian.so.5(_ZN7Akonadi6Search17XapianSearchStore4execERKNS0_5QueryE+0x8b6)
[0x7f02481725d6]
13:
/usr/lib64/libKF5AkonadiSearchCore.so.5(_ZN7Akonadi6Search5Query4execEv+0x245)
[0x7f0258235a55]
14: /usr/lib64/qt5/plugins/akonadi/akonadi_search_plugin.so(+0x400c)
[0x7f025844000c]
15: akonadiserver() [0x4cba6f]
16: akonadiserver() [0x44aaa8]
17: akonadiserver() [0x4835d0]
18: /usr/lib64/libQt5Core.so.5(_ZN7QObject5eventEP6QEvent+0xe9)
[0x7f025e085aa9]
19:
/usr/lib64/libQt5Core.so.5(_ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent+0xfb)
[0x7f025e059b5b]
20:
/usr/lib64/libQt5Core.so.5(_ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData+0x2db)
[0x7f025e05c26b]
21: /usr/lib64/libQt5Core.so.5(+0x2de3f3) [0x7f025e0ad3f3]
22: /usr/lib64/libglib-2.0.so.0(g_main_context_dispatch+0x297) [0x7f025c86eb17]
23: /usr/lib64/libglib-2.0.so.0(+0x294f8) [0x7f025c86f4f8]
24: /usr/lib64/libglib-2.0.so.0(g_main_context_iteration+0x2c) [0x7f025c86f68c]
25:
/usr/lib64/libQt5Core.so.5(_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x5f)
[0x7f025e0ad7ff]
26:
/usr/lib64/libQt5Core.so.5(_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE+0xfa)
[0x7f025e057b1a]
27: /usr/lib64/libQt5Core.so.5(_ZN7QThread4execEv+0xb4) [0x7f025de79214]
28: /usr/lib64/libQt5Core.so.5(+0xaee78) [0x7f025de7de78]
29: /lib64/libpthread.so.0(+0x7434) [0x7f025d99c434]
30: /lib64/libc.so.6(clone+0x6d) [0x7f025e667ded]

Now I have installed all debug symbols, but now I can only see mini-backtraces
with even less information:
0: akonadiserver() [0x572666]
1: akonadiserver() [0x572982]
2: /lib64/libc.so.6(+0x33250) [0x7fa0e1fe9250]

which leaves me at a loss for useful info. (I am not even getting dr konqi, I
have to grab the debug info from the akonadi logs.)

I am using a bunch of imap-servers including one akonadi-ews account. I have
contacts and calendars in owncloud. These seem to get disabled all the while.

What can I do to improve debugging information?

Cheers,

Jan

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