Wrong selection in Edit Mode #47446

New Issue

Julien Duroure · 2016-02-16T21:23:28+01:00

Julien Duroure commented

2016-02-16 21:23:28 +01:00

Sorry about that, but I have (for now) probably not enough information to reproduce this bug

System Information
Ubuntu 14.04, gallium 0.4 on mvc8

Blender Version
2.76b / build of 20160215

Short description of error
Wrong selection in Edit Mode

Exact steps for others to reproduce the error

Delete cube, add UV Sphere
switch to edit mode
switch to face selection mode
try to select a face : wrong face is selected (completely different face : not in same area, not in front or in back of chosen face)

I tried with 3 selection mode (Automatic, OpenGL occlusion Queries, OpenGL Select)
Seems that works OK for vertex selection mode, KO for edge and face selection mode
Seems to be OK in face selection mode if object is set to shading Smooth, OK in flat mode

I have this problem on computer of classroom where I teach Blender. My next course is on March 7th. Don't hesitate if I have something to test, or if I need to test some debug builds, or something like that.

Sorry about that, but I have (for now) probably not enough information to reproduce this bug **System Information** Ubuntu 14.04, gallium 0.4 on mvc8 **Blender Version** 2.76b / build of 20160215 **Short description of error** Wrong selection in Edit Mode **Exact steps for others to reproduce the error** - Delete cube, add UV Sphere - switch to edit mode - switch to face selection mode - try to select a face : wrong face is selected (completely different face : not in same area, not in front or in back of chosen face) I tried with 3 selection mode (Automatic, OpenGL occlusion Queries, OpenGL Select) Seems that works OK for vertex selection mode, KO for edge and face selection mode Seems to be OK in face selection mode if object is set to shading Smooth, OK in flat mode I have this problem on computer of classroom where I teach Blender. My next course is on March 7th. Don't hesitate if I have something to test, or if I need to test some debug builds, or something like that.

Julien Duroure commented

2016-02-16 21:23:28 +01:00

Changed status to: 'Open'

Julien Duroure commented

2016-02-16 21:23:28 +01:00

Added subscriber: @JulienDuroure

John Roper commented

2016-02-16 23:57:08 +01:00

Added subscriber: @JohnRoper

John Roper commented

2016-02-16 23:57:08 +01:00

Do you have the limit selection to visible button clicked?

Bastien Montagne commented

2016-02-19 12:45:31 +01:00

Added subscriber: @mont29

Bastien Montagne commented

2016-02-19 12:45:31 +01:00

Some questions:

Does it happen with official 2.76b release?
Which is your GPU? can’t you use it’s 'real' drivers?
Please attach as text file here the report generated by Help -> System Info (do not paste it directly in comment).

Some questions: * Does it happen with official 2.76b release? * Which is your GPU? can’t you use it’s 'real' drivers? * Please **attach as text file** here the report generated by Help -> System Info (**do not** paste it directly in comment).

Julien Duroure commented

2016-02-19 14:07:36 +01:00

Hello,

Happened both with 2.76b and testbuild
Not sure I can run it with real driver. In classroom, I don't have root rights, don't really know how to perform to run with real driver.
Next course is on March, I will attach system info at this moment

Thanks !

Hello, * Happened both with 2.76b and testbuild * Not sure I can run it with real driver. In classroom, I don't have root rights, don't really know how to perform to run with real driver. * Next course is on March, I will attach system info at this moment Thanks !

Bastien Montagne commented

2016-02-26 18:00:14 +01:00

Changed status from 'Open' to: 'Archived'

Bastien Montagne closed this issue

2016-02-26 18:00:14 +01:00

Bastien Montagne self-assigned this 2016-02-26 18:00:14 +01:00

Bastien Montagne commented

2016-02-26 18:00:14 +01:00

Eeeeh, ok, well, archiving for now then, no point in keeping this open until we get requested info (we'll reopen it then ;) ).

Julien Duroure commented

2016-03-07 15:35:51 +01:00

Changed status from 'Archived' to: 'Open'

Julien Duroure reopened this issue

2016-03-07 15:35:51 +01:00

Julien Duroure commented

2016-03-07 15:35:51 +01:00

Hi there,

Got sys info, and entries from lspci for you (in attachment)
Hope it will help :)

Don't hesitate to contact me again if you need more inputs.

Julien

lspci

system-info.txt

Hi there, Got sys info, and entries from lspci for you (in attachment) Hope it will help :) Don't hesitate to contact me again if you need more inputs. Julien [lspci](https://archive.blender.org/developer/F288945/lspci) [system-info.txt](https://archive.blender.org/developer/F288946/system-info.txt)

Bastien Montagne commented

2016-03-07 17:40:32 +01:00

Hrmmm… GeForce 210 is rather low end hardware, but supports OpenGL 3 so should work. Suspect the issue is more with driver here, Nouveau (opensource NVidia driver project) is nice but we do not officially support it with Blender, not reliable enough.

What you may try is to run the blender-softwaregl script instead of blender itself next time, would ensure issue is with nouveau or not.

Hrmmm… GeForce 210 is rather low end hardware, but supports OpenGL 3 so should work. Suspect the issue is more with driver here, Nouveau (opensource NVidia driver project) is nice but we do not officially support it with Blender, not reliable enough. What you may try is to run the `blender-softwaregl` script instead of blender itself next time, would ensure issue is with nouveau or not.

Campbell Barton commented

2016-03-09 03:48:37 +01:00

Added subscriber: @ideasman42

Campbell Barton commented

2016-03-09 03:48:37 +01:00

Older nouveau driver had issues but newer one works well in my own tests. (GeForce GTS 450 with latest nouveau on arch-linux).

Either install nvidia's driver or use a more recent version of nouveau.
Realize this is a hassle, but don't think we can solve this on our side.

Older nouveau driver had issues but newer one works well in my own tests. (GeForce GTS 450 with latest nouveau on arch-linux). Either install nvidia's driver or use a more recent version of nouveau. Realize this is a hassle, but don't think we can solve this on our side.

Julien Duroure commented

2016-03-09 10:53:38 +01:00

Changed status from 'Open' to: 'Archived'

Julien Duroure closed this issue

2016-03-09 10:53:38 +01:00

Julien Duroure commented

2016-03-09 10:53:38 +01:00

Hello Bastien, Campbell,

Thanks for your answers.
I will contact IT service of the school to ask them to upgrade driver version on computers of this classroom.

Seems we can archive this ticket :)

Hello Bastien, Campbell, Thanks for your answers. I will contact IT service of the school to ask them to upgrade driver version on computers of this classroom. Seems we can archive this ticket :)

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Wrong selection in Edit Mode #47446