After Update (Manjaro) Kontact doesn't start

Tue Sep 2 07:58:44 BST 2025

Hi from Regensburg,

> Does someone have a hint for me?

Can you try setting up a new (empty) user home directory, log in with that and 
try to start kontact there. If that works, then the problem is in your account 
or akonadi data of that other user where it fails. 

Might be a good helper for a start... then you could delete your local akonadi 
store, your local .cache directory and/or install akonadiconsole to get some 
more debugging input...

did you do a akonadictl fsck? 

Am Montag, 1. September 2025, 15:15:23 Mitteleuropäische Sommerzeit schrieb 
Sebastian Gödecke:
> Hi, after an update kontact doesn't start.
> After starting akonadiconsole and in there Server restart i get this here:
> 
> MySQL server log contains errors.
> Details: The MySQL server error log file '<a
> href="/home/sgo/.local/share/akonadi/db_data/mysql.err">/home/sgo/.local/sha
> re/akonadi/db_data/mysql.err</a>' contains errors.
> 
> File content of '/home/sgo/.local/share/akonadi/db_data/mysql.err':
> 2025-09-01 14:01:32 0 [Note] Starting MariaDB 12.0.2-MariaDB source
> revision aab83aecdca15738d114cf5a2f223f1d12e4e6bd server_uid
> vE4fXkAicQ2RybjyQY4pAHxfAps= as process 3824
> 2025-09-01 14:01:32 0 [Warning] --innodb-file-per-table is deprecated
> and will be removed in a future release
> 2025-09-01 14:01:32 0 [Warning] option 'innodb-log-buffer-size':
> unsigned value 1048576 adjusted to 2097152
> 2025-09-01 14:01:32 0 [Note] InnoDB: Compressed tables use zlib 1.3.1
> 2025-09-01 14:01:32 0 [Note] InnoDB: Number of transaction pools: 1
> 2025-09-01 14:01:32 0 [Note] InnoDB: Using crc32 + pclmulqdq instructions
> 2025-09-01 14:01:32 0 [Note] InnoDB: Using io_uring
> 2025-09-01 14:01:32 0 [Note] InnoDB: innodb_buffer_pool_size_max=128m,
> innodb_buffer_pool_size=128m
> 2025-09-01 14:01:32 0 [Note] InnoDB: Initialized memory pressure event
> listener 2025-09-01 14:01:32 0 [Note] InnoDB: Completed initialization of
> buffer pool 2025-09-01 14:01:32 0 [Note] InnoDB: Buffered log writes (block
> size=512 bytes) 2025-09-01 14:01:32 0 [Note] InnoDB: Resetting space id's
> in the
> doublewrite buffer
> 2025-09-01 14:01:32 0 [Note] InnoDB: End of log at LSN=2392100490
> 2025-09-01 14:01:32 0 [Note] InnoDB: Opened 3 undo tablespaces
> 2025-09-01 14:01:32 0 [Note] InnoDB: 128 rollback segments in 3 undo
> tablespaces are active.
> 2025-09-01 14:01:32 0 [Note] InnoDB: Setting file './ibtmp1' size to
> 12.000MiB. Physically writing the file full; Please wait ...
> 2025-09-01 14:01:32 0 [Note] InnoDB: File './ibtmp1' size is now 12.000MiB.
> 2025-09-01 14:01:32 0 [Note] InnoDB: log sequence number 2392100490;
> transaction id 859681
> 2025-09-01 14:01:32 0 [Note] InnoDB: Loading buffer pool(s) from
> /home/sgo/.local/share/akonadi/db_data/ib_buffer_pool
> 2025-09-01 14:01:32 0 [Note] Plugin 'wsrep-provider' is disabled.
> 2025-09-01 14:01:32 0 [Note] InnoDB: Buffer pool(s) load completed at
> 250901 14:01:32
> 2025-09-01 14:01:33 0 [Note] /usr/bin/mysqld: ready for connections.
> Version: '12.0.2-MariaDB'  socket:
> '/run/user/1000/akonadi/mysql.socket'  port: 0  Arch Linux
> 2025-09-01 14:05:43 10 [Warning] Aborted connection 10 to db:
> 'akonadi' user: 'sgo' host: '' (Got an error reading communication
> packets)
> 
> Further:
> Test 10:  ERROR
> --------
> 
> Akonadi control process not registered at D-Bus.
> Details: The Akonadi control process is not registered at D-Bus which
> typically means it was not started or encountered a fatal error during
> startup.
> 
> and the last error message:
> Test 13:  ERROR
> --------
> 
> No resource agents found.
> Details: No resource agents have been found, Akonadi is not usable
> without at least one. This usually means that no resource agents are
> installed or that there is a setup problem. The following paths have
> been searched: '/usr/share/akonadi/agents'. The XDG_DATA_DIRS
> environment variable is set to
> '/home/sgo/.local/share/flatpak/exports/share:/var/lib/flatpak/exports/share
> :/usr/local/share:/usr/share:/var/lib/snapd/desktop'; make sure this
> includes all paths where Akonadi agents are installed.
> 
> Directory listing of '/usr/share/akonadi/agents':
> akonadiindexingagent.desktop
> archivemailagent.desktop
> birthdaysresource.desktop
> contactsresource.desktop
> davgroupwareresource.desktop
> etesyncresource.desktop
> ewsmtaresource.desktop
> ewsresource.desktop
> followupreminder.desktop
> googleresource.desktop
> icaldirresource.desktop
> icalresource.desktop
> imapresource.desktop
> knutresource.desktop
> kolabresource.desktop
> maildirresource.desktop
> maildispatcheragent.desktop
> mailfilteragent.desktop
> mailmergeagent.desktop
> mboxresource.desktop
> migrationagent.desktop
> mixedmaildirresource.desktop
> newmailnotifieragent.desktop
> notesagent.desktop
> openxchangeresource.desktop
> pop3resource.desktop
> sendlateragent.desktop
> unifiedmailboxagent.desktop
> vcarddirresource.desktop
> vcardresource.desktop
> 
> Environment variable XDG_DATA_DIRS is set to
> '/home/sgo/.local/share/flatpak/exports/share:/var/lib/flatpak/exports/share
> :/usr/local/share:/usr/share:/var/lib/snapd/desktop'
> 
> 
> So i don't know the details of how they work together, and maybe there
> is only the mysql error and the others are gone, if this could be
> solved.
> 
> Does someone have a hint for me?

-- 

Best Regards - Mit freundlichen Grüßen,

Markus Feilner, Feilner IT
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