Re: [Evolution] After Ubuntu 64bit 18.04 LTS fresh migration, Evolution launching process takes too much time



On Wed, 2019-08-28 at 10:56 +0200, antoine chevrier wrote:
since the migration, Evolution opening take more than 1
minute, and during the opening process, it freezes all other opened
applications (ie: during the Evolution opening process, the mouse is
freezed, and it is impossible to jump from one application to an
other).

        Hi,
freezing whole desktop environment is really weird. What is that
desktop environment, please? Do you have installed more of those? [1]

I'd probably start with catching backtrace of evolution, which might be
tricky, but still doable. First of all, install packages with debug
information for evolution-data-server and evolution. Then open a text
terminal, using for example Ctrl+Alt+F4 - you should be greeted with a
login prompt there. If not, then try other consoles, like Alt+F3,
Alt+F5, Alt+F6. Once you find one, login as the user you are logged in
in the desktop environment. After you are logged, run this command:

   $ sleep 15 && gdb --batch --ex "t a a bt" -pid=`pidof evolution` &>bt.txt

which will wait for 15 seconds, then it'll catches backtrace of
the evolution process it finds (do copy&paste or retype it as it is
shown here). Once run, you've 15 seconds to move to the desktop
environment using Alt+F1, Alt+F2 or some such and start Evolution
there. Then just wait. You can try to switch to the text console, in
case the keyboard works.

Please check the bt.txt for any private information, like passwords,
email address, server addresses,... I usually search for "pass" at
least (quotes for clarity only) before sharing it anywhere.

By the way, in what way the mouse is frozen, please? Can you move with
the mouse cursor, only clicks are ignored, or the cursor is also stuck?

        Bye,
        Milan

[1] I know of a similar problem when KDE and MATE are installed on the
same machine [2]. They clash with a D-Bus service used for
notifications (usually named libnotify, if you'll see anything like
that in your bt.txt), and the only workaround I know of is either to
uninstall one of them, or to remove corresponding .service file for the
one which is not used that often. It will cause notifications not being
shown, like those related to new mail, in that desktop environment.
Whether it's really it I cannot tell, I do not have enough information,
but it's at least something similar.

[2] https://bugzilla.redhat.com/show_bug.cgi?id=1490959




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