[Akonadi] [Bug 318281]=?UTF-8?Q?=20KMail=20doesn=C2=B4t=20respond?=: ItemRetrieverException : Unable to retrieve item from resource

[Martin Steigerwald]

https://bugs.kde.org/show_bug.cgi?id=318281

--- Comment #3 from Martin Steigerwald <Martin at Lichtvoll.de> ---
According to akonadiconsole in those circumstances often my biggest maildir
resource lichtvoll stalls synchronization at some random folder. It then sits
there for minutes to come, even if its just a smaller folder it got stuck at.

Thus I suspect a communication issue between the different 
components involved.

Also adding versions of dbus packages to the mix:

martin at merkaba:~> apt-show-versions | grep "dbus"
dbus/sid uptodate 1.6.8-1
dbus-x11/sid uptodate 1.6.8-1
libdbus-1-3/sid uptodate 1.6.8-1
libdbus-1-dev/sid uptodate 1.6.8-1
libdbus-c++-1-0/sid uptodate 0.9.0-6
libdbus-glib-1-2/sid uptodate 0.100.2-1
libdbusmenu-glib4/sid uptodate 0.6.2-1
libdbusmenu-qt2/sid uptodate 0.9.0-1
libkdepimdbusinterfaces4 4:4.10.2-0r4 installed: No available version in
archive
libnet-dbus-perl/sid uptodate 1.0.0-2
libqt4-dbus/sid uptodate 4:4.8.2+dfsg-11
libqtdbus4/sid uptodate 4:4.8.2+dfsg-11
libsmokeqtdbus4-3/sid uptodate 4:4.8.4-1
python-dbus/sid uptodate 1.1.1-1
python-dbus-dev/sid uptodate 1.1.1-1
python-qt4-dbus/sid uptodate 4.9.3-4
qdbus/sid uptodate 4:4.8.2+dfsg-11


Maybe these deadlocks with some MySQL queries are also related:

martin at merkaba:~/KDE/Bugs/318281 KMail doesn´t respond: ItemRetrieverException
: Unable to retrieve item from resource> xzgrep -i "dead"
xsession-errors.txt.xz
Error during executing query "UPDATE PimItemTable SET atime = :0 WHERE ( (
PimItemTable.id = :1 ) )" :  "Deadlock found when trying to get lock; try
restarting transaction QMYSQL3: Unable to execute statement"
[… some PlaneShift game client related messages …]
Error during executing query "UPDATE PimItemTable SET atime = :0 WHERE ( (
PimItemTable.id = :1 ) )" :  "Deadlock found when trying to get lock; try
restarting transaction QMYSQL3: Unable to execute statement"

MySQL has been at 100% during that POP 3 download but it often uses more than
that. Dunno whether there has been something going on single-threadedly. I have
mytop and mysql client installed and can try to have a closer look at whats
going on.

One of those is also in the shortened xsession-errors-edited.txt I attached. I
am hesitant to attach the whole xsession-errors.txt cause Akonadi Nepomuk
Feeder or probably some other component as well puts lots of private
informations in it, included complete mail text which just don´t have anything
to do in this file.

Anyway version of MySQL packages involved:

martin at merkaba:~> apt-show-versions | grep mysql
akonadi-backend-mysql/experimental uptodate 1.9.1-2
kexi-mysql-driver/sid uptodate 1:2.4.4-3
libdbd-mysql-perl/sid uptodate 4.021-1+b1
libmysqlclient-dev/sid uptodate 5.5.30+dfsg-1
libmysqlclient18/sid uptodate 5.5.30+dfsg-1
libqt4-sql-mysql/sid uptodate 4:4.8.2+dfsg-11
mysql-client/sid uptodate 5.5.30+dfsg-1
mysql-client-5.5/sid uptodate 5.5.30+dfsg-1
mysql-common/sid uptodate 5.5.30+dfsg-1
mysql-server-core-5.5/sid uptodate 5.5.30+dfsg-1
python-mysqldb/sid uptodate 1.2.3-2

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