Re: Wayland by default for Fedora 28

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On Tue, Jan 9, 2018 at 6:15 PM, Germano Massullo
<germano.massullo@xxxxxxxxx> wrote:
> I am not in KDE SIG, but as person who has been testing Plasma on
> Wayland since many months, my opinion is that Plasma is not ready at all
> for Wayland as default option. The concrete risk is that this decision
> will push a lot of Fedora users away from Fedora KDE Spin, seriously.
> Forcing Wayland as default session only for innovation sake, is not a
> good decision.
>
> Some of problems I experienced:
> - **very, very** frequent plasma crashes;
> - **very** frequent crashes of applications, even KDE applications like
> Konsole, Konversation, etc.

I don't see many crashes but yes, it crashes time to time.

> - Qt and Gtk applications have two different copy&paste stacks;
> - virtual desktops are not working;
> - mouse pointer has an insane dimension (it got bigger);

Same here.

> - misplaced notification popups;

Same here.

> - sometimes when shutting down the system, the system does not poweroff,
> forcing the user to unplug the power cable or use Magic Sys Req if the
> user is so lucky to have it enabled. I have heard this has been fixed
> but I haven't tested it yet;
> - odd behaviour of various applications.

Most of my issues with Plasma & Wayland are somehow related to
external monitor setup. I switched from three screens to two screens
setup and it's a bit better but I can see crashes when second monitor
is disconnected, misplacements (krunner opens on second inactive
screen). On the other hand, on single screen setup it progressed a lot
and it's closer to be usable as a daily driver.

To be honest, I'm really not sure how to help with Wayland - I have no
idea how to debug things and a lot of issues are just some strange
behavior that's difficult to explain and reproduce :(.

One big missing feature is screen sharing - I already migrated a lot
of folks here using Red Hat to G-S X11 session...

I couldn't make Tuesday's meeting...

Jaroslav

>
> *Some* bugreport references:
>
> Plasma crash: Crash in wl_proxy_create_wrapper in QtWayland after window
> destruction
> https://bugs.kde.org/show_bug.cgi?id=381630
>
> [Wayland] Konversation crash -
> QVector<KWayland::Client::ConnectionThread*>::reallocData
> (this=this@entry=0x7fffde8016b0
> <KWayland::Client::ConnectionThread::Private::connections>, asize=21845
> https://bugs.kde.org/show_bug.cgi?id=387448
>
> [Wayland] Konversation crash
> https://bugs.kde.org/show_bug.cgi?id=386998
>
> QtWaylandClient::QWaylandDisplay::exitWithError()
> (this=this@entry=0x555555f294b0) at qwaylanddisplay.cpp:200
> https://bugreports.qt.io/browse/QTBUG-60170
>
> [Wayland] Qt and Gtk applications have two different copy&paste stacks
> https://bugs.kde.org/show_bug.cgi?id=378711
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-- 
Jaroslav Řezník <jreznik@xxxxxxxxxx>
Engineering Program Manager

Office: +420 532 294 645
Mobile: +420 602 797 774
Red Hat, Inc.                               http://www.redhat.com/
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