"Dead" emails.

[Martin Steigerwald]

Am Sonntag, 16. Oktober 2016, 18:22:13 CEST schrieb Thomas Tanghus:
> On Sat Oct 15 17:11:11 2016 GMT+0200, Volker Wysk wrote:
> > I assume you use KMail.
> 
> Yes
> 
> > I've had the same problem with those not-quite-deleted mails. They are
> > mails which have been marked "deleted" in an IMAP server, but haven't
> > been
> expunged.
> 
> > You can work around the problem by turning this on:
> > 
> > Settings -> Configure KMail -> Accounts -> (your IMAP account) -> Modify
> > ->
> > Advanced -> Compress folders automatically
> 
> I had that enabled already, but thanks anyway.
> I hope someone else has an idea what's going on. I would hate to have to use
> another email client.
> Maybe my whole installation is somehow trashed. I can't manually check for
> mail, and my question and your reply hasn't arrived yet in KMail, only on
> phone.
> 
> Also I noticed there was no trash folder configured - at the same place as
> the other setting - and when opening the dialog to set it, no folders was
> shown.
> 
> Sending again as it didn't seem to come through the first time.
> 
> Meanwhile I found:
> 
> 1. I can manually trigger a mail check from akonadiconsole, but now my Inbox
> seems to be empty...
> 
> 2. I may have found the reason, but still not the solution.
> From mysql.err when restarting the server:
> 
> 2016-10-16 17:31:59 22981 [Warning] Can't open and lock time zone table:
> Table 'mysql.time_zone_leap_second' doesn't exist trying to live without
> them 2016-10-16 17:31:59 22981 [ERROR] Can't open and lock privilege
> tables: Table 'mysql.servers' doesn't exist
> 2016-10-16 17:31:59 22981 [ERROR] Native table
> 'performance_schema'.'cond_instances' has the wrong structure
> 2016-10-16 17:31:59 22981 [ERROR] Native table
> 'performance_schema'.'events_waits_current' has the wrong structure
> 2016-10-16 17:31:59 22981 [ERROR] Native table

I think this performance schema stuff isn´t criticial. Maybe even a run of 
mysql_upgrade can fix it.

> 2016-10-16 17:32:00 7fee1b4dc700 InnoDB: Error: Fetch of persistent
> statistics requested for table "akonadi"."tagtable" but the required system
> tables mysql.innodb_table_stats and mysql.innodb_index_stats are not
> present or have unexpected structure. Using transient stats instead.
> 2016-10-16 17:32:00 7fee1b4dc700 InnoDB: Error: Table
> "mysql"."innodb_table_stats" not found.
> 2016-10-16 17:32:00 7fee1b4dc700 InnoDB: Error: Fetch of persistent
> statistics requested for table "akonadi"."tagtypetable" but the required
> system tables mysql.innodb_table_stats and mysql.innodb_index_stats are not
> present or have unexpected structure. Using transient stats instead.

I am not sure about these ones, but also these do not seem to be critical to 
me.

Anything suspicious in akonadi error log or console output?

Thanks,
-- 
Martin