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When I start Thunderbird to read my e-mail, the whole dektop freeze for something like 30 seconds. I can't use Thunderbird, I can't use firefox, I can't use MATE menus, etc. Those apps don't even refresh if I move them. I know it's MATE because the mouse still work and I can switch to a text console that is not frozen. After a while, it unfreezes and things go back to normal.
Steps to reproduce the behaviour
Debian 10. Install MATE + KDE/Plasma.
MATE general version
MATE 1.20.4 on Debian 10. Most likely applies to other versions and other distro.
If I do the above, there is no freeze at all, it fully solve the issue.
Note that I should not have to cripple KDE/Plasma to get MATE working properly. People using KDE on my computer (that would be me ;-) won't be pleased.
Full analysis
MATE notification system is not compatible with other desktops :
Relying on D-Bus activation to launch org.freedesktop.Notifications can
result in selecting the wrong implementation if multiple daemons are
installed.
Fix this by launching m-n-d with the session rather than depending on
D-Bus activation. We keep D-Bus activation for the moment for backward
compatibility and to re-start the daemon in otherwise non-problematic
situations if it crashes.
Fixes#133 and #174.
Relying on D-Bus activation to launch org.freedesktop.Notifications can
result in selecting the wrong implementation if multiple daemons are
installed.
Fix this by launching m-n-d with the session rather than depending on
D-Bus activation. We keep D-Bus activation for the moment for backward
compatibility and to re-start the daemon in otherwise non-problematic
situations if it crashes.
Fixes#133 and #174.
Expected behaviour
No freeze, responsive desktop and apps.
Actual behaviour
When I start Thunderbird to read my e-mail, the whole dektop freeze for something like 30 seconds. I can't use Thunderbird, I can't use firefox, I can't use MATE menus, etc. Those apps don't even refresh if I move them. I know it's MATE because the mouse still work and I can switch to a text console that is not frozen. After a while, it unfreezes and things go back to normal.
Steps to reproduce the behaviour
Debian 10. Install MATE + KDE/Plasma.
MATE general version
MATE 1.20.4 on Debian 10. Most likely applies to other versions and other distro.
Package version
Debian package 1.20.4-2
Linux Distribution
Debian 10.3
Link to downstream report of your Distribution
None
Workaround
root# cd /usr/share/dbus-1/services/
root# mv org.kde.knotify.service org.kde.knotify.service-disabled
root# mv org.kde.plasma.Notifications.service org.kde.plasma.Notifications.service-disabled
If I do the above, there is no freeze at all, it fully solve the issue.
Note that I should not have to cripple KDE/Plasma to get MATE working properly. People using KDE on my computer (that would be me ;-) won't be pleased.
Full analysis
MATE notification system is not compatible with other desktops :
https://bugzilla.redhat.com/show_bug.cgi?id=1490959
Thunderbird attempts to notify about received e-mails, and that cause the Desktop and app freeze.
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