https://bugs.kde.org/show_bug.cgi?id=510914
Bug ID: 510914
Summary: Fails to start under Plasma 6.5.0 : Tablespace flags
are invalid in datafile:
Classification: Applications
Product: kmail2
Version First unspecified
Reported In:
Platform: Kubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
( version from Kubuntu Questing doesn't appear in list ; dpkg -l|grep kmail
ii kmail
4:25.08.2-0ubuntu1~ubuntu25.10~ppa1 amd64 full featured
graphical email client
)
SUMMARY
Fails to start under Plasma 6.5.0 : Tablespace flags are invalid in datafile
logged in ~/.local/share/akonadi/db_data/mysql.err
STEPS TO REPRODUCE
1. start kmail
OBSERVED RESULT
kmail opens after several minutes displaying inoperable GUI saying a required
component failed to start
Logs in Konsole:
Connecting to deprecated signal
QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
org.kde.pim.akonadiserver: Starting up the Akonadi Server...
org.kde.pim.akonadiserver: database server stopped unexpectedly
org.kde.pim.akonadiserver: Database process exited unexpectedly during initial
connection!
org.kde.pim.akonadiserver: executable: "/usr/sbin/mysqld"
org.kde.pim.akonadiserver: arguments:
QList("--defaults-file=/home/falken/.local/share/akonadi/mysql.conf",
"--datadir=/home/falken/.local/share/akonadi/db_data/",
"--socket=/run/user/1000/akonadi/mysql.socket",
"--pid-file=/run/user/1000/akonadi/mysql.pid")
org.kde.pim.akonadiserver: stdout: ""
org.kde.pim.akonadiserver: stderr: ""
org.kde.pim.akonadiserver: exit code: 1
org.kde.pim.akonadiserver: process error: "Unknown error"
org.kde.pim.akonadiserver: See
"/home/falken/.local/share/akonadi/db_data/mysql.err" for more details
org.kde.pim.akonadiserver: Shutting down AkonadiServer...
org.kde.pim.akonadicontrol: Application '/usr/bin/akonadiserver' exited
normally...
org.kde.pim.pimcommonactivities: Plasma activities is not running: 1
org.kde.pim.akonadicore: Job error: "" for collection: QList()
org.kde.pim.akonadicore: Job error: "" for collection: QList()
org.kde.pim.messagelist: Failed to load tags ""
org.kde.pim.kmail: ""
org.kde.pim.mailcommon: failed to retrieve tags ""
# cat ~/.local/share/akonadi/db_data/mysql.err
2025-10-22T11:23:48.334771Z 0 [System] [MY-015015] [Server] MySQL Server -
start.
2025-10-22T11:23:48.505309Z 0 [Warning] [MY-010097] [Server] Insecure
configuration for --secure-file-priv: Current value does not restrict location
of generated files. Consider setting it to a valid, non-empty path.
2025-10-22T11:23:48.505344Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld
(mysqld 8.4.6-0ubuntu3) starting as process 5087
2025-10-22T11:23:48.507057Z 0 [Warning] [MY-013242] [Server]
--character-set-server: 'utf8' is currently an alias for the character set
UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider
using UTF8MB4 in order to be unambiguous.
2025-10-22T11:23:48.507061Z 0 [Warning] [MY-013244] [Server]
--collation-server: 'utf8mb3_general_ci' is a collation of the deprecated
character set UTF8MB3. Please consider using UTF8MB4 with an appropriate
collation instead.
2025-10-22T11:23:48.510911Z 0 [Warning] [MY-013907] [InnoDB] Deprecated
configuration parameters innodb_log_file_size and/or innodb_log_files_in_group
have been used to compute innodb_redo_log_capacity=134217728. Please use
innodb_redo_log_capacity instead.
2025-10-22T11:23:48.511853Z 1 [System] [MY-013576] [InnoDB] InnoDB
initialization has started.
2025-10-22T11:23:48.531927Z 1 [ERROR] [MY-012224] [InnoDB] Tablespace flags are
invalid in datafile: ./ibdata1, Space ID:0, Flags: 21. Please refer to
http://dev.mysql.com/doc/refman/8.4/en/innodb-troubleshooting-datadict.html for
how to resolve the issue.
2025-10-22T11:23:48.531954Z 1 [ERROR] [MY-012237] [InnoDB] Corrupted page [page
id: space=0, page number=0] of datafile './ibdata1' could not be found in the
doublewrite buffer.
2025-10-22T11:23:48.531965Z 1 [ERROR] [MY-012930] [InnoDB] Plugin
initialization aborted with error Data structure corruption.
2025-10-22T11:23:49.031681Z 1 [ERROR] [MY-010334] [Server] Failed to initialize
DD Storage Engine
2025-10-22T11:23:49.031909Z 0 [ERROR] [MY-010020] [Server] Data Dictionary
initialization failed.
2025-10-22T11:23:49.031938Z 0 [ERROR] [MY-010119] [Server] Aborting
2025-10-22T11:23:49.032897Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld:
Shutdown complete (mysqld 8.4.6-0ubuntu3) (Ubuntu).
2025-10-22T11:23:49.032925Z 0 [System] [MY-015016] [Server] MySQL Server - end.
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