Created attachment 64516 [details] Xorg Log (UXA) Corruptions appear every now and then, and I found no way to deterministically reproduce the bug. It just happens! It was reported before in: https://bugs.freedesktop.org/show_bug.cgi?id=50011 And it was fixed then, but it is occurring again. Seems to be a regression.
Created attachment 64517 [details] Corruption in glyph rendering
Created attachment 64518 [details] Another screenshot of corruption (checkbox widgets)
Created attachment 64519 [details] Screenshot of same checkbox widgets after a refresh
Mehran, the attached Xorg.log is for UXA, did you mention before that you also see this with SNA?
Yes, The Xorg.log I attached yesterday (https://bugs.freedesktop.org/attachment.cgi?id=64495) was with SNA enabled, so I switched back to UXA and it remained. I tend to have the issue when I'm in my development environment, which is (mostly) when I run lots of memory-consuming softwares and am Dual Monitor. Also, when it happens it keeps happening, and when it doesn't, umm... I don't know how to make it happen! :) And one last note, the corruption may not be "small" in all cases. Artifacts like https://bugs.freedesktop.org/attachment.cgi?id=61844 happen as well.
Ok, I was convinced that this was a new sighting. However, looks like you may be right and the earlier problem didn't just vanish.
Are you continuing to encounter this corruption? Have you recognised any pattern? Can you attach a fresh Xorg.log after some fresh corruption?
No, I haven't encountered it for a while. Thus marking it as FIXED.
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