[kmail2] [Bug 373368] New: Opening new message very slow and freezes KMail for several second each

René Krell bugzilla_noreply at kde.org
Tue Dec 6 20:22:06 GMT 2016


            Bug ID: 373368
           Summary: Opening new message very slow and freezes KMail for
                    several second each
           Product: kmail2
           Version: Git (master)
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: message list
          Assignee: kdepim-bugs at kde.org
          Reporter: renda.krell at gmail.com
  Target Milestone: ---

KMail 5.3.3 (QtWebEngine), OpenSUSE Tumbleweed, Linux (x86_64) release

Kmail is very slow when navigating between messages in the message list.
I have two accounts - an IMAP account (Activated Download all messages for
offline use) and a Local Folders account.

To be sure this is no migration problem from KDE 4 I stopped KMail and Akonadi
and removed the following folders and files:
After that I restarted Akonadi and resynchronized the account again.
Thus, this should be a clean state.

When having synchronized all messages after the above cleanup action the
problem reoccurs again:
I click on several messages in the message list, marking a new message in the
message list freezes KMail for several seconds before the new message is shown
in the message window.
This behavior happened from my point of view since the QtWebEngine has been
introduced as message viewer.

Because I've read about multi-threading problems of Nouveau, I tried also the
native NVidia driver, no change so far.

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