User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:103.0) Gecko/20100101 Firefox/103.0

Steps to reproduce:

opend windy.com

Actual results:

colors rendered wrong

Expected results:

should render as usual

bisected using mozregression:

8:04.00 INFO: Last good revision: 145141e21a29ad02ea84392f9a5e51803e68a3b7
8:04.00 INFO: First bad revision: f9c796ae5117065116947d61b8fe2bcae1f6b78c
8:04.00 INFO: Pushlog:
https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=145141e21a29ad02ea84392f9a5e51803e68a3b7&tochange=f9c796ae5117065116947d61b8fe2bcae1f6b78c

Set release status flags based on info from the regressing bug 1735929

:stransky, since you are the author of the regressor, bug 1735929, could you take a look?
For more information, please visit auto_nag documentation.

Canvases (which are translated to WebGL: bug 1741501) are sometimes replaced with colorful stripes as if I was looking at memory.
I assume it could be related to this bug. It started today.

I can confirm this - however only on my Intel (Skylake) setup, not on AMD.

And disabling gfx.canvas.accelerated does indeed fix the issue.

Confirmed, https://windy.com (comment 0) can be fixed by disabling gfx.canvas.accelerated.

WebGL apps (https://webglsamples.org/aquarium/aquarium.html and https://earth.google.com/web/) do not seem to be affected.

https://www.submarinecablemap.com/ and Grafana are affected too.

Should be fixed by Bug 1773968.

Can you re-test please?
Thanks.

Debian Testing, Gnome Wayland, Intel Iris Graphics 6100 (BDW GT3)
Regression range confirmed: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=145141e21a29ad02ea84392f9a5e51803e68a3b7&tochange=f9c796ae5117065116947d61b8fe2bcae1f6b78c

Still reproducible with bug 1773968.
mozregression --launch 20220614213729 -a https://windy.com/
mozregression --repo autoland --launch ad9ace9c00f4 -a https://windy.com/

same where, nightly 20220615093700 still suffers from the issue

I'm seeing a bug with the canvas-based network-traffic graph rendering with garbled tiles, on my Synology NAS's web interface. See attached screenshot, with Firefox on left vs. Chrome on the right. I'm using Ubuntu 22.04, and this issue affects latest Nightly 103.0a1 (2022-06-16).

The attached screenshot shows a scenario when only some of the tiles were garbled; other times, the whole graph area is garbled (or just blank) and there's no recognizable graph at all.

mozregression gives me the same regression range pointing to bug 1735929, and my symptoms sound like the symptoms described here (broken rendering on a canvas, which becomes fixed if I disable gfx.canvas.accelerated and reload), so I suspect I'm seeing the same thing.

about:support says I'm using "Intel -- Mesa" for WebGL 1 and 2; let me know if there's anything else that would be useful for me to capture:

WebGL 1 Driver Renderer	Intel -- Mesa Intel(R) UHD Graphics (CML GT2)
WebGL 2 Driver Renderer	Intel -- Mesa Intel(R) UHD Graphics (CML GT2)
WebGL 2 Driver Version	4.6 (Core Profile) Mesa 22.0.1

(I can reproduce the Windy.com issue, too; that site looks like the screenshot in comment 0 for me, with a bunch of gray tiles.)

That's dupe of Bug 1774271.