[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Bug#840141: kwin-x11: Short freeze when showing multiple tray notifications



Hola!

I believe this is rather and interaction between KWin and Plasmashell. If I stopped the Plasmashell process, the freeze doesn't happen anymore (those notifications are drawn at the top of the screen in small windows). A further argument for this idea is that after the freeze the screen goes one "frame" back, and that the music and cursor are not affected.

I'll note that after restarting Plasmashell this doesn't happen as reliably as before.

However, if you know a good way of triggering this kind of notifications, it will be my pleasure to do it.

Thank you,
Alex

On 10/10/16 13:14, Maximiliano Curia wrote:
¡Hola Alex!

El 2016-10-08 a las 22:32 +0300, Alex Dănilă escribió:
Package: kwin-x11 Version: 4:5.7.4-1 Severity: normal

The entire screens freeze for a couple of seconds (3-4, but sometimes seemed close to 10) everytime notifications from the tray are about to scroll down or disappear. This only affects drawing of screen content, it doesn't affect sound or cursor motion.

If relevant, the particular tray notifications are about bluetooth devices, I'll attach a screenshot with this. The particular order is like this: -two messages (M1 - connection deactivated, M2 - connection timed out) appear one above the other -2-3 seconds pass -freeze -2 -freeze ends -M1 disappears, M2 animates going down -messages reappear and animate again, but without freezes.

I'll send a screenshot after the bug is created, and if possible a recording.

As reported it seems that the issue is bluetooth specific, and it might be caused by an underlying issue of the bluetooth kernel module or hardware device. In my limited tests I couldn't reproduce this behaviour in my laptop.

Would it be feasible for you to test this multiple bluetooth notifications in a different desktop environment in order to rule out a kernel/hardware issue?

Can you reproduce this triggering a different type of notifications?

Happy hacking,


Reply to: