Mark seams display problem #39460
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Reference: blender/blender#39460
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System Information
OS: Windows 7 64bit
GPU: NVIDIA Quadro K4000 (driver: 335.23)
Blender Version
Broken: 2.70
19e627c
Worked:
Short description of error
marked seams get all messed up in edit mode when a Subdivision Surface modifier is used
Exact steps for others to reproduce the error
i dont know how to reproduce it exactly but i have a blend file where it is visible, just open the file and switch into edit mode and you should see something like in the attached image
Bug_MarkSeam.blend
Changed status to: 'Open'
Added subscriber: @DanielGrauer
Added subscriber: @willi-2
Unable to repro on Win7/64+AMD HD6850, also not on WinXP/32 inside VirtualBox. (Blender 2.70)
Added subscribers: @ThomasDinges, @Sergey
Can not reproduce on linux. Culd be something up to opengl issues in particular card/driver.
@ThomasDinges, mind checking?
Added subscriber: @revzin
Could not reproduce on Win7 x64 GT 650M, Blender 2.70
Added subscriber: @ionarn
Hey,
I opened the file with our workstations at work which have the GPUs Quadro 4000 (no K) an I have the same error.
I have attached a screenshot.
System Information
OS: Windows 7 64bit
GPU: NVIDIA Quadro 4000 (driver: should be the same, a little older or newer.)
Blender Version
Broken: 2.70
2d4de27
Exact steps for others to reproduce the error
I just opened the file and directly saw the error.
But when I changed the view angle the error was gone.
Sorry for spamming.
When I opened the file the second time I was able to rotate the view and still see the error remaining.
But only if the subsurf modifier is activated.
This is likely a video driver issue. Try making sure you're using latest drivers. Also try reproducing it on the another computer. If you wouldn't be able to reproduce it on another machine, it's inlikely we can as well meaning we can't fix the issue...
my coworker has the same issue on his system, he also uses a quadro k4000 with the 335.23 driver. im using 332.88 at the moment an also have it.
Edit: upgraded to driver version 335.23 and still have it.
@DanielGrauer Trying on another machine with (nearly) the same driver doesn't give much additional information. :) Trying ona a machine with a differentcard (and driver) makes more sense to narrow it down.
Yes, to troubleshoot whether it card/driver issue better to use different card.. Checked here with quadro 2000 on linux and don't see an issue.
tried on a different machine with a quadro 2000 and driver 335.23 (also a windows 64 bit system) and have the same problem.
tested an other system with a nvidia 660ti and 332.21 driver (also windows) and there it does not happen. so it looks like this is a quadro driver issue:O
Changed status from 'Open' to: 'Archived'
Well, so we can’t do much about that… :/
Added subscriber: @basquiat79
I have the same problem with my Lenovo W540 (nvidia quadro K2100m) and my Lenovo T61p (nvidia quadro fx 570m).
I use the blender version 2.7. and 2.69
What can i do?
Removed subscriber: @willi-2