Created attachment 142320 [details]
screenshots of problem
In VariCAD 2.09-2.11, there are some graphical weird phantoms during rotating or moving 3D view position.
Created attachment 142321 [details]
file to test
In order to show the artifacts you should rotate the point of view or zoom the objects several times.
This bug may be related to bug nr 108282.
Hi. Thank you for report. I reproduced issue with graphic glitches, going to bisect it.
Issue can be reproduced only after applying fixes from https://bugs.freedesktop.org/show_bug.cgi?id=108282
Unfortunately, the reason of that issue is the same commit as for https://bugs.freedesktop.org/show_bug.cgi?id=108282:
Author: Kenneth Graunke <email@example.com>
Date: Tue Apr 10 01:18:25 2018 -0700
i965: Allocate VMA in userspace for full-PPGTT systems.
To workaround it, please use patch for Mesa: 108619_wa.diff
Created attachment 142329 [details] [review]
Ken, any comment on this one?
The patch 108619_wa.diff works for me.
I'm gonna to test it more.
Seems i got a correct solution.
Will provide patch soon today.
Patch for kernel (extension for previous one for https://bugs.freedesktop.org/show_bug.cgi?id=108282): https://patchwork.freedesktop.org/patch/260026/
Should be fixed in drm-intel/drm-intel-next-queued by:
Author: Chris Wilson <firstname.lastname@example.org>
Date: Fri Nov 2 16:12:09 2018 +0000
drm/i915: Mark pin flags as u64