Blender 4.0 randomly loses functionality and only restores after saving #116905

New Issue

Enalya · 2024-01-08T17:15:29+01:00

Enalya commented

2024-01-08 17:15:29 +01:00

System Information
Operating system: Windows-11 64 Bits
Graphics card: NVIDIA GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 546.33

Blender Version
Broken: version: 4.0.2, branch: blender-v4.0-release, commit date: 2023-12-05 07:41, hash: 9be62e85b727
Worked: (newest version of Blender that worked as expected)

Short description of error
I encountered this with every version of Blender since 4.0 on my PC.
After a couple of minutes (at random times, sometimes it's 1 minute, sometimes 10), I can not rotate the screen anymore with MMB, every mouse action or hotkey functions not or differently. It only resolves after I 'Save As' or Alt+Tab and come back after a few seconds.

I scoured the internet but could not find anyone with this specific issue.

It happens with every Blender file, also fresh ones. I already uninstalled (and deleted ALL Blender files from my PC), reset all preferences, keymaps etc.

I also tried disabling my NordVPN, running as administrator etc.

Nothing worked. As you can imagine it is very hard to work with Blender like this.

Exact steps for others to reproduce the error

Open any Blender file
Start working with it until it suddenly functions differently
3a. Save As and see that it works normally again (for a few minutes)
3b. Alt+Tab and come back after 10 seconds see that it works normally again (for a few minutes)

**System Information** Operating system: Windows-11 64 Bits Graphics card: NVIDIA GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 546.33 **Blender Version** Broken: version: 4.0.2, branch: blender-v4.0-release, commit date: 2023-12-05 07:41, hash: `9be62e85b727` Worked: (newest version of Blender that worked as expected) **Short description of error** I encountered this with every version of Blender since 4.0 on my PC. After a couple of minutes (at random times, sometimes it's 1 minute, sometimes 10), I can not rotate the screen anymore with MMB, every mouse action or hotkey functions not or differently. It only resolves after I 'Save As' or Alt+Tab and come back after a few seconds. I scoured the internet but could not find anyone with this specific issue. It happens with every Blender file, also fresh ones. I already uninstalled (and deleted ALL Blender files from my PC), reset all preferences, keymaps etc. I also tried disabling my NordVPN, running as administrator etc. Nothing worked. As you can imagine it is very hard to work with Blender like this. **Exact steps for others to reproduce the error** 1. Open any Blender file 2. Start working with it until it suddenly functions differently 3a. Save As and see that it works normally again (for a few minutes) 3b. Alt+Tab and come back after 10 seconds see that it works normally again (for a few minutes)

Enalya added the

labels 2024-01-08 17:15:30 +01:00

Pratik Borhade commented

2024-01-10 09:44:53 +01:00

#115589 might be related

Enalya commented

2024-01-10 16:47:29 +01:00

Hi Pratik, thank you for your reply and attending me on that post!

I tried all things in that post.
I was able to reproduce the problem a couple of times, every time trying something else: disabling my Wacom tablet, updating Wacom drivers, updating GPU drivers, disabling Steelseries client...

I did not get any missing keymap errors.

I opened Blender with the debug log every time. The only odd thing I get every time is the message: "HIPEW initialization failed: Error opening HIP dynamic library"... Could that be a clue?

I attached the files to this post.

Thank you!

Hi Pratik, thank you for your reply and attending me on that post! I tried all things in that post. I was able to reproduce the problem a couple of times, every time trying something else: disabling my Wacom tablet, updating Wacom drivers, updating GPU drivers, disabling Steelseries client... I did not get any missing keymap errors. I opened Blender with the debug log every time. The only odd thing I get every time is the message: "HIPEW initialization failed: Error opening HIP dynamic library"... Could that be a clue? I attached the files to this post. Thank you!

blender_system_info.txt

21 KiB

blender_debug_output.txt

800 B

Pratik Borhade commented

2024-01-11 06:48:51 +01:00

The only odd thing I get every time is the message: "HIPEW initialization failed: Error opening HIP dynamic library"... Could that be a clue?

Because your system has NVIDIA GPU :)

> The only odd thing I get every time is the message: "HIPEW initialization failed: Error opening HIP dynamic library"... Could that be a clue? Because your system has NVIDIA GPU :)

Enalya commented

2024-01-11 09:05:57 +01:00

The only odd thing I get every time is the message: "HIPEW initialization failed: Error opening HIP dynamic library"... Could that be a clue?

Because your system has NVIDIA GPU :)

Okay, that doesn't sound like it could be the culprit of my issue.
I hope anyone else has an idea, since I am working on a client project 😇

My hope is that 4.0.3 comes out and it is magically solved.

> > The only odd thing I get every time is the message: "HIPEW initialization failed: Error opening HIP dynamic library"... Could that be a clue? > > Because your system has NVIDIA GPU :) Okay, that doesn't sound like it could be the culprit of my issue. I hope anyone else has an idea, since I am working on a client project 😇 My hope is that 4.0.3 comes out and it is magically solved.

Pratik Borhade commented

2024-01-11 09:39:21 +01:00

There won't be another 4.0 corrective release i.e. 4.0.3 (since it's not a LTS version)
Can you check in any other versions? Possibly 4.1: https://builder.blender.org/download/daily/

There won't be another 4.0 corrective release i.e. 4.0.3 (since it's not a LTS version) Can you check in any other versions? Possibly 4.1: https://builder.blender.org/download/daily/

Enalya commented

2024-01-11 15:28:34 +01:00

I see.
I installed 4.1 (fully clean, without importing any old settings) and I reproduced the same issue..!
Same with 3.6.8.
Which makes me think it is probably something on my PC, a driver, a Windows setting. Maybe something is interfering. But as I said, I have already tried turning on and off all the things I could think of 😅

I see. I installed 4.1 (fully clean, without importing any old settings) and I reproduced the same issue..! Same with 3.6.8. Which makes me think it is probably something on my PC, a driver, a Windows setting. Maybe something is interfering. But as I said, I have already tried _turning on and off_ all the things I could think of 😅

Enalya closed this issue

2024-01-11 15:28:38 +01:00

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Enalya reopened this issue

2024-01-11 15:28:56 +01:00

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Pratik Borhade commented

2024-03-05 11:55:53 +01:00

Hi, can you launch blender with --debug-events command line argument? When mouse or other hotkeys are not responsive, check in console whether these events are actually invoked or not.

To launch blender from command line: https://docs.blender.org/manual/en/latest/advanced/command_line/launch/windows.html

Hi, can you launch blender with [--debug-events](https://docs.blender.org/manual/en/latest/advanced/command_line/arguments.html#debug-options:~:text=value%3E%20on%20startup.-,%2D%2Ddebug%2Devents,-Enable%20debug%20messages) command line argument? When mouse or other hotkeys are not responsive, check in console whether these events are actually invoked or not. To launch blender from command line: https://docs.blender.org/manual/en/latest/advanced/command_line/launch/windows.html

Pratik Borhade added

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labels 2024-03-05 11:56:05 +01:00

Enalya commented

2024-04-03 17:18:19 +02:00

Hi Pratik, thank you for your reply and suggestion!
With the latest 4.1 installer from Blender.org I can not reproduce the issue with a fresh file, only with one specific file I created in 4.0.2 and then opened in 4.1. Logic dictates that it is an issue in that specific .blend file. Since it does not happen with new files, it is not an issue anymore for now.

Closing for now, thank you!

Hi Pratik, thank you for your reply and suggestion! With the latest 4.1 installer from Blender.org I can not reproduce the issue with a fresh file, only with one specific file I created in 4.0.2 and then opened in 4.1. Logic dictates that it is an issue in that specific .blend file. Since it does not happen with new files, it is not an issue anymore for now. Closing for now, thank you!

Enalya closed this issue

2024-04-03 17:18:25 +02:00

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