[kmail2] [Bug 323740] New: [Regression] Kontact/KMail starts eating one CPU when selecting a mail

[Rolf Eike Beer]

https://bugs.kde.org/show_bug.cgi?id=323740

            Bug ID: 323740
           Summary: [Regression] Kontact/KMail starts eating one CPU when
                    selecting a mail
    Classification: Unclassified
           Product: kmail2
           Version: 4.11
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: kde at opensource.sf-tec.de

I just upgraded my machine from SC 4.10.5 to 4.11. I'm using KMail-part in
Kontact with an (online) IMAP account.

After startup, once the first mail is selected, Kontact starts blocking one CPU
(~20% on my Quadcore machine), akonadiserver usually uses the rest so both sum
up to ~25% load. When in this state I can select some other mail but only get a
message "please wait while fetching contents of this folder". I also can't send
any mail during this. Kontact isn't entirely locked up, e.g. I can navigate
through the menu and the like. So I guess it is in some sort of loop talking to
akonadi and getting flooded with replies so the event loop is always busy.

Since I can easily reproduce this I can get you any sort of log/strace, but
please tell me what to look for.

Reproducible: Always

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