[Akonadi] [Bug 337366] New: akonadi sqlite lockup when checking imap resources
Christian Quast
wildcart at tzi.org
Fri Jul 11 14:13:43 BST 2014
https://bugs.kde.org/show_bug.cgi?id=337366
Bug ID: 337366
Summary: akonadi sqlite lockup when checking imap resources
Classification: Unclassified
Product: Akonadi
Version: 4.13
Platform: openSUSE RPMs
OS: Linux
Status: UNCONFIRMED
Severity: crash
Priority: NOR
Component: general
Assignee: kdepim-bugs at kde.org
Reporter: wildcart at tzi.org
Since upgrading to 4.13 I am experiencing lockup problems using akonadi's
sqlite backend. At a random point after starting akonadi / kontact, akonadi
gets stuck when syncing folders or retrieving mails. The process list in
kontact (status bar lower right side) shows something like "syncing folder XXX
%Y" but it stays at Y%. At that point a cannot access any mails, calendar
items, or contacts.
Running akonadi from console I get a debug message:
"[QSQLITE3: 140502062065408] " sqlite3_blocking_step: Entering while loop
Searching for this on the Internet I'll find among other things a commit
message removing the code to print this message:
http://permalink.gmane.org/gmane.comp.kde.cvs/1316401 (message date Apr. 6 2014
- Enable concurrency in our copy of QSQLITE driver) and other links pointing to
older(?) versions (ie. 1.3.90) of akonadi where the code seems to active. After
restarting akonadi (`akonadictl stop`, wait until akonadi server exits which
takes a 20 seconds or so and then `akonadictl start`) everything works find for
a while - sometimes a could of hours up to a day.
I found a similar bug report from Nov. 2012 which might be related but in my
case everything works fine until a certain point (not gettings stuck in init).
Also, I am able to normal close the applications and stop akonadi (which takes
some time though): https://bugs.kde.org/show_bug.cgi?id=310652
Maybe of interest: I have to IMAP accounts set-up and two DavCal Groupware
resources (a total of 3 address books + 1 calendar / 1 task imported from the
first resource, and 6 calendars / 6 tasks imported from the second source).
Platform: opensuse 13.1 using the KDE stable build service
Software versions:
akonadi-4.13.2-10.1.x86_64
plasma-addons-akonadi-4.13.2-4.1.x86_64
python-kde4-akonadi-4.13.2-4.2.x86_64
libakonadiprotocolinternals1-1.12.1-3.1.x86_64
akonadi-runtime-1.12.1-3.1.x86_64
libakonadi4-4.13.2-4.1.x86_64
kontact-4.13.2-10.1.x86_64
kmail-4.13.2-10.1.x86_64
PS: I cannot simply switch to other backends as I am running akonadi / kontact
on a thin client set-up (SunRays) host multiple users and starting a database
server on such a system wouldn't be my first choice.
Reproducible: Always
Steps to Reproduce:
1. start akonadi and kontact
2. work normally and wait
Actual Results:
At some point (hours up to a day) akonadi / kontact gets stuck when trying to
sync IMAP folders / mails.
Expected Results:
Folders / Mails will be synced
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