Heavy lags over whole desktop environment #59996
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Reference: blender/blender#59996
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System Information
Operating system: Linux Mint 18.3, MATE
Graphics card: can't actually find the exact model right now, it's Radeon 6xxxM
Blender Version
Broken: 2.80, 7c438e55366b2, 2018-12-28
Worked: sa far as I understand this gap to fill - 2.79 official releases worked as smoothly as the hardware allowed it to.
Blender and a very desktop environment lag heavily when B3D is in Object Mode
1 - I start with a basic scene with the cube
2 - i tweak its dimensions in edit mode, cut it with loop-cut a few times so the mesh is a bit more complex
3 - go back to object mode.
Actually Blender acts like it filled up whole RAM and then the system starts to use SWAP partition, while it's not SSD ;) but it's not it, there's still plenty of free RAM. Every 3d viewport click, every view turn, every tiny action with Blender is click-and-wait battle. Such action needs about 10-20s, then again a second of smoothness and another 10-20s of waiting.
I didn't find any solution on the Internet yet, so I might be one of the few with the issue.
Picture of the 'complex' mesh in the attachment.
Thank you in advance for your time and your hard work. Cheers!
Added subscriber: @ototto
Added subscriber: @ZedDB
Attach the output of
--debug-gpu
and you can also try to see if--debug-gpu-force-workarounds
fixes it.This is probably a GPU driver issue though if it freezes your whole computer. So I suggest you try to update your mesa drivers to the latest version too.
Added subscriber: @nokipaike
@ototto
do you also have problems like this?
https://developer.blender.org/T60001
I'm using the last mesa ppa by oibaf
https://launchpad.net/~oibaf/+archive/ubuntu/graphics-drivers
the drivers in developing have improved .. for a while .. but with the recent builds of blender problems have emerged ..
I hope they solve
Thx guys, I really appreciate.
Drivers - checked, updated, upgraded. No difference though.
@nokipaike - nope, Eevee works like gold on such simple scenes, no gibberish like this on the videos from your thread.
@ZedDB - there's '--debug-gpu' output in the attachment. Sorry if it's too big, I'm not sure what part of it is the most interesting to you. Those are lines from the very command until I quit Blender after it's ceases to cooperate. The good news is that '-force-workorounds' suffix does the job on the mesh, so yay :)
Suddenly:
The very identical symptoms appear right after I make a bone chain 6-bones long. No less, no more (I didn't manage to create longer one ;)). Plus the mode (object, edit, pose) doesn't matter, Blender misbehaves in all three. There... I have no clue at all and the 'force-workarounds' suffix won't help anymore.
Another CLI output in another attachment. The fatal error at the end is 'xkill'-forced-quit, so you don't have to bother.
So... Hope it helps... and hope you guys help me ;)
cheers!
blender-debug-gpu-output.txt
BONES-blender-debug-gpu-output.txt
what it the output of
glxinfo | grep -i opengl
?I'm guessing this might be solved in newer mesa versions.
@ototto
I thought it was the same generation of radeon hd as my gpu ..
@ZedDB
Took me a while :/
So that's the output you've asked.
Sorry for the time of my reaction.
Seems like you are using your built in GPU and not your Radeon gpu.
So I will suggest two things:
@ototto
if your system has 2 GPUs
Alright. I feel stupid now, but hey - the 2.79 worked just fine... :/ And as long as Cycles does not support this particular Radeon card, I simply didn't notice. Shame on me.
Maybe it's time to change my machine, simply enough.
Thank you, gentlemen :) Cheers!
Changed status from 'Open' to: 'Resolved'
I'll close this as resolved then (?)
Yup, go ahead :) thanks again.
@ototto so...