Random vertices light up as if they were selected (but they're not) when I select one vertice at a time #77731
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Reference: blender/blender#77731
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System Information
Operating system: Linux-5.4.0-7634-generic-x86_64-with-debian-bullseye-sid 64 Bits
Graphics card: GeForce GTX 780 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 440.82
Blender Version
Broken: version: 2.83.0, branch: master, commit date: 2020-06-03 14:38, hash:
211b6c29f7
Short description of error
Exact steps for others to reproduce the error
BLEND
mesh_glitches_bugreport.blend
Added subscriber: @ManuJarvinen
Added subscriber: @pablovazquez
Can't reproduce in current master.
Removed subscriber: @pablovazquez
Oh man :( Is it because of my GPU? We even have the same driver.
And this same issue happened to me in both Xubuntu and in Pop!_OS :(
Added subscriber: @lichtwerk
Also cannot reproduce.
System Information
Operating system: Linux-5.5.13-200.fc31.x86_64-x86_64-with-fedora-31-Thirty_One 64 Bits
Graphics card: GeForce GTX 970M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 440.64
version: 2.90.0 Alpha, branch: master, commit date: 2020-06-11 07:24, hash:
3f648f5b42
and 2.83 releaseAdded subscriber: @mano-wii
It also works fine here.
@ManuJarvinen, can you try the latest development snapshot of blender: https://builder.blender.org/download
Operating system: Windows-10-10.0.18941 64 Bits
Graphics card: Radeon (TM) RX 480 Graphics ATI Technologies Inc. 4.5.13586 Core Profile Context 19.50.01.05 26.20.15001.5006
@mano-wii , tried the latest 2.90, same issue :(
Here's a screenrecord of that: https://www.youtube.com/watch?v=r1miqKNnk-8
But it only happens on Linux builds for me, in Pop!_OS and in Xubuntu to be exact.
Damn, what is wrong with my machine :(
Changed status from 'Needs Triage' to: 'Needs Developer To Reproduce'
Added subscriber: @nickgammon
That is definitely happening to me with Blender version 2.83.5.
My graphics card is: NVIDIA Corporation GK110 [GeForce GTX 780] (rev a1) - GeForce GTX 780/PCIe/SSE2
Operating system: Ubuntu 18.04.4 LTS
In addition to any vertices that are supposed to be selected, random other ones are coloured orange, white or black incorrectly.
Also happens with Blender 2.82.6
Does not happen with Blender 2.81.16.
With a cube subdivided 50 times (15,608 vertices) something like 20 to 30 vertices are incorrectly coloured. That is, a small percentage, usually clustered together. There can be multiple clusters.
It is, by the way, incredibly annoying. You can't tell what you have selected and what is randomly showing as selected when it isn't.
I made the above by editing the default cube and subdividing 50 times. Nothing else.
Having said all that, I cannot reproduce on another Ubuntu PC with the graphics card: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller (rev 06)
Further testing shows that it works correctly with the X.Org X server driver, but not various versions of the NVIDIA drivers, see below.
However I think you need the NVIDIA driver to get the GPU Compute option for rendering.
Also, the problem (when it occurs) happens under Eevee and also Cycles. Interestingly, if you have Cycles selected, and Viewport Shading set to Rendered (with 32 samples) then in edit mode the incorrect pixels are displayed (differently) 32 times - once for each render pass.
It seems odd (to me) that Blender renders 32 passes of an object when it is in edit mode. Perhaps that is just because the whole window is redrawn 32 times, whether or not some objects are in edit mode.
However as I said above, the problem did not occur in Blender 2.81.16. So this is not simply a graphics card problem.
The problem persists with the 23 August 2020 Beta version: blender-2.90.0-ebf10b72b05f-linux64.tar.xz
Added subscriber: @Code_Craft_Plugin
hi i have the same problem
os = windows 10 20h2 pro
gpu = gt 710 driver 472.12