Description of problem: All GTK3-based applications first show up with a black window, before they are able to draw themself. It gives the distracting illusion of black flashing. Evince print dialog (gtk3): https://www.youtube.com/watch?v=53JyFZMxjE0 Firefox file save dialog (gtk3): https://www.youtube.com/watch?v=3WDy-bI_-Qg For comparison - a slow-motion video of an older version of Firefox still using GTK2 - where everthing works as expected: Old Firefox file dialog (gtk2): https://www.youtube.com/watch?v=N-fjknZPPcU Also when the window is resized, the new area by which the window has grown is also rendered black: https://www.youtube.com/watch?v=fhzENp3rkOo The problem only seems to manifest when not using a compositor (e.g. xfwm) Version-Release number of selected component (if applicable): How reproducible: Very, I am able to reproduce it on my Intel based laptop (fedora 24, SNA) as well as my mothers AMD netbook (fedora 23, glamor). Steps to Reproduce: 1. Disable compositor 2. Use GTK3 with default theme 3. open a new dialog Actual results: The window first appears black Expected results: As with GTK2, the window should appear with correct background color Additional info:
I can confirm, but it happens with a compositor (compton) here, and also under Weston and Sway, both being Wayland compositors. Where this happens the most, even under Wayland compositors, is when in Gtk3 X11 mode. Where it doesn't seem to happen if it's a Wayland compositor and a proper Gtk3 Wayland invocation of an application. However, such Gtk3 Wayland apps have the issue that things like file dialogs are scaled and all widgets are zoomed out or zoomed in instead of proper resizing of widgets according to the grid. This regression is disruptive enough that I cannot use stable Firefox and have to resort to Firefox ESR for Gtk2.
Clemens, do you mind re-submitting this upstream at https://bugzilla.gnome.org/? I see this on any Linux distro with 3.20.
Nevermind, I've filed a ticket with your report copied and referenced plus my comments because this is preventing me from using Gtk 3.20. Hope you don't mind: https://bugzilla.gnome.org/show_bug.cgi?id=771708
It happen for me with when I use the modesetting driver instead of the intel one.
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Still present on Fedora 27. I *think* this only affects XWayland windows, but no pure wayland windows.
still there when using xfce+xorg in Fedora 26
Upstream bug: https://bugzilla.gnome.org/show_bug.cgi?id=771708
(In reply to Christian Stadelmann from comment #6) > Still present on Fedora 27. I *think* this only affects XWayland windows, > but no pure wayland windows. It affects plain Xorg and XWayland.
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This issue is still present on Fedora 28 and can be easily reproduced using Firefox (which is using XWayland). Please update the version info accordingly.
This message is a reminder that Fedora 28 is nearing its end of life. On 2019-May-28 Fedora will stop maintaining and issuing updates for Fedora 28. It is Fedora's policy to close all bug reports from releases that are no longer maintained. At that time this bug will be closed as EOL if it remains open with a Fedora 'version' of '28'. Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, simply change the 'version' to a later Fedora version. Thank you for reporting this issue and we are sorry that we were not able to fix it before Fedora 28 is end of life. If you would still like to see this bug fixed and are able to reproduce it against a later version of Fedora, you are encouraged change the 'version' to a later Fedora version prior this bug is closed as described in the policy above. Although we aim to fix as many bugs as possible during every release's lifetime, sometimes those efforts are overtaken by events. Often a more recent Fedora release includes newer upstream software that fixes bugs or makes them obsolete.
I think this issue is gone, I am unable to reproduce it on latest Fedora 29.
Still happens on Fedora 30 at least with Firefox.
Fedora 28 changed to end-of-life (EOL) status on 2019-05-28. Fedora 28 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.