https://bugs.kde.org/show_bug.cgi?id=444901
Bug ID: 444901
Summary: Data loss following akonadi crash (possibly during
package updates)
Product: kmail2
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kdepim-b...@kde.org
Reporter: dav1dblunk...@hotmail.com
Target Milestone: ---
I recently upgrade from kubuntu 20.04->21.04->21.10
Once at 21.10 everything seem to work fine (yesterday) but today a massive lot
of updates were installed (not unexpected) however during these updates kmail
stopped working.
Once I got around to restarting kmail (it wouldn't restart) I discovered
akonadi had crashed and would not start again. Much digging around later it
seems it is because mysql will not start and much digging around later it looks
like the data in db_data is corrupt. Specifically there is something wrong with
ib_logfile0 and it seems to expect ib_logfile1 to be present but it isn't.
So at this point I made a copy of this directory and trying loads of different
stuff (found on the internet) nothing has fixed it. Deleting ib_logfile0 allows
akonadi to start and I have my IMAP accounts but several years worth of mail in
my local mail directories has been lost.
I have no idea what has gone wrong. kmail crashed because akonadi crashed.
Akonadi crashed during a big bunch of updates after upgrading from 21.04 to
21.10. Prior to the crash it appeared to be running fine on kubuntu 21.10.
I do not know where to start with recovery of my mail or where the bug belongs
or what the bug is only that akonadi borked during updates and it appears I've
lost emails as a result.
Obvs not easy to sort out but kmail/akonadi should be robust enough to
facilitate easy recovery in this case.
kmail 5.18.1
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