Description of problem: When resizing the window quickly (by dragging the corner with a mouse), I see "garbage" in the firefox window. Essentially the contents of the whole firefox window is briefly replaced by randomly reordered pixels or some other pattern. This is visible only for a fraction of a second, so it's hard to provide more details. I don't recall seeing this under Xwayland, so I seems to be ff-on-wayland-related. It looks similar to what would happen under X a few years ago, so in a way this is return to the past ;) Version-Release number of selected component (if applicable): firefox-60.0.1-3.fc28.x86_64 kernel-4.16.0-0.rc7.git0.1.fc28.x86_64 00:02.0 VGA compatible controller: Intel Corporation Skylake GT2 [HD Graphics 520] (rev 07) How reproducible: ~100% if I wiggle the mouse enough
Yep, I just restarted the same session with Xwayland, and there, no matter how much I wiggle, I don't see any corruption. My best reproducer: open maps.google.com, press flag+up, flag+down, repeat, and the window occasionally flashed with some noisy pattern.
Also had this once, but only when (with Super+Left or Super+Right) I attached the window to the left or the right, suddenly a kind of black grid (line every 10 px or so, but not completly homogonous) appeared. This could also be related to: https://bugzilla.redhat.com/show_bug.cgi?id=1651715
FWIW, it happens all the time with firefox-wayland-63.0.1-5.fc29.x86_64.
Same issue here, even with a fresh firefox profile on firefox-wayland-65.0-4.fc29.x86_64.
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This particular effect is not reproducible with firefox-wayland-66.0.3-1.fc30.x86_64. (When I toggle between fullscreen and not, sometimes the fill for the empty area is a black-and-white checkerboard, and sometimes it's just completely white background, and there are still various jumps in size, but the noise that was affecting the whole window is gone.)
(In reply to Zbigniew Jędrzejewski-Szmek from comment #6) > This particular effect is not reproducible with > firefox-wayland-66.0.3-1.fc30.x86_64. > (When I toggle between fullscreen and not, sometimes the fill for the empty > area is a black-and-white > checkerboard, and sometimes it's just completely white background, and there > are still various jumps in > size, but the noise that was affecting the whole window is gone.) Are you sure that the issue is gone? I'm still sometimes seeing it with firefox-wayland-66.0.3-1.fc29.x86_64.
Yeah, for me it is fixed.