Blender 4.2 freezes randomly, even with something as simple as the default cube #126594

New Issue

Stu-4 · 2024-08-21T12:23:04+02:00

Stu-4 commented

2024-08-21 12:23:04 +02:00

System Information
Operating system: Linux-6.1.0-23-amd64-x86_64-with-glibc2.38 64 Bits, X11 UI
Graphics card: Mesa Intel(R) UHD Graphics 620 (WHL GT2) Intel 4.6 (Core Profile) Mesa 24.1.3 (git-0c49f54c76)

Blender Version
Broken: version: 4.2.0, branch: blender-v4.2-release, commit date: 2024-07-16 06:20, hash: a51f293548ad
Worked: (newest version of Blender that worked as expected)

Short description of error
Blender freezes randomly. Most of the time I have to kill it from command line because I can't quit properly.
[Please fill out a short description of the error here]

Exact steps for others to reproduce the error
Now that's the tricky part, for it can happen any time. Sometimes it doesn't freeze for a whole hour, sometimes it freezes every 3 minutes, mostly in the following situations:

before I even had time to delete or edit the default cube
after I edited a few vertices of a mesh or a few bones of an armature (FYI I'm into low poly modelling and very basic materials)

Doesn't seem to happen while rendering or in pose mode. No assets library activated. No fancy addons beside looptools or node wrangler.

The freezing comes in two flavors.

The first one is temporary and affects the whole system (web browser if open, the cursor, etc). I can't do anything until it's back to normal. I know I can use Blender again when all of a sudden the background color (in the 3D viewport) turns white. As soon as I start interacting again with whatever is inside the viewport, the background color gets back to normal (if I have two different 3D viewports, they're both impacted and I have to click on each of them to "correct" them both).

The second one affects only blender, but waiting is pointless as there's no improvment in sight. When I get a look at htop I can see that the corresponding process uses 100% of the CPU. That's when I have to kill it.

I run Blender from CLI and I can't figure out what's going wrong. Here's how the typical crash looks like (I saved the file very frequently for obvious reasons):

nl@mx:~ $ flatpak run org.blender.Blender Reloading external rigs... Reloading external metarigs... register_class(...): Info: Registering operator class: 'OBJECT_OT_AlignOperator', bl_idname 'object.align' has been registered before, unregistering previous Read blend: "/home/nl/Documents/Blender/Studies/characters.blend" Info: Saved "characters.blend" Info: Saved "characters.blend" Info: Saved "characters.blend" Info: Saved "characters.blend" Info: Saved "characters.blend" Info: Saved "characters.blend" Info: Saved "characters.blend" Info: Saved "characters.blend" Info: Saved "characters.blend" kill 8095

And this will happen with basically any file: large files, tiny files, old files from previous versions, brand new 4.2 files... It happens also with 3.6, so I thought maybe it's a hardware issue, but I used the exact same CPU with Windows on it, and when I ran Blender 4.2 on Windows 11, I had no problem.

Of course this is annoying as 3D modelling is my main hobby :-/

Thank your for your help!

**System Information** Operating system: Linux-6.1.0-23-amd64-x86_64-with-glibc2.38 64 Bits, X11 UI Graphics card: Mesa Intel(R) UHD Graphics 620 (WHL GT2) Intel 4.6 (Core Profile) Mesa 24.1.3 (git-0c49f54c76) **Blender Version** Broken: version: 4.2.0, branch: blender-v4.2-release, commit date: 2024-07-16 06:20, hash: `a51f293548ad` Worked: (newest version of Blender that worked as expected) **Short description of error** Blender freezes randomly. Most of the time I have to kill it from command line because I can't quit properly. [Please fill out a short description of the error here] **Exact steps for others to reproduce the error** Now that's the tricky part, for it can happen any time. Sometimes it doesn't freeze for a whole hour, sometimes it freezes every 3 minutes, mostly in the following situations: - before I even had time to delete or edit the default cube - after I edited a few vertices of a mesh or a few bones of an armature (FYI I'm into low poly modelling and very basic materials) Doesn't seem to happen while rendering or in pose mode. No assets library activated. No fancy addons beside looptools or node wrangler. The freezing comes in two flavors. The first one is temporary and affects the whole system (web browser if open, the cursor, etc). I can't do anything until it's back to normal. I know I can use Blender again when all of a sudden the background color (in the 3D viewport) turns white. As soon as I start interacting again with whatever is inside the viewport, the background color gets back to normal (if I have two different 3D viewports, they're both impacted and I have to click on each of them to "correct" them both). The second one affects only blender, but waiting is pointless as there's no improvment in sight. When I get a look at htop I can see that the corresponding process uses 100% of the CPU. That's when I have to kill it. I run Blender from CLI and I can't figure out what's going wrong. Here's how the typical crash looks like (I saved the file very frequently for obvious reasons): `nl@mx:~ $ flatpak run org.blender.Blender Reloading external rigs... Reloading external metarigs... register_class(...): Info: Registering operator class: 'OBJECT_OT_AlignOperator', bl_idname 'object.align' has been registered before, unregistering previous Read blend: "/home/nl/Documents/Blender/Studies/characters.blend" Info: Saved "characters.blend" Info: Saved "characters.blend" Info: Saved "characters.blend" Info: Saved "characters.blend" Info: Saved "characters.blend" Info: Saved "characters.blend" Info: Saved "characters.blend" Info: Saved "characters.blend" Info: Saved "characters.blend" kill 8095 ` And this will happen with basically any file: large files, tiny files, old files from previous versions, brand new 4.2 files... It happens also with 3.6, so I thought maybe it's a hardware issue, but I used the exact same CPU with Windows on it, and when I ran Blender 4.2 on Windows 11, I had no problem. Of course this is annoying as 3D modelling is my main hobby :-/ Thank your for your help!

Stu-4 added the

labels 2024-08-21 12:23:04 +02:00

Pratik Borhade commented

2024-08-23 10:24:40 +02:00

Hi, thanks for the report. Does the following command help?

$ echo 10000 | sudo tee /sys/class/drm/card0/engine/rcs0/preempt_timeout_ms
$ INTEL_DEBUG=reemit blender

Reference: #116322

Hi, thanks for the report. Does the following command help? ``` $ echo 10000 | sudo tee /sys/class/drm/card0/engine/rcs0/preempt_timeout_ms $ INTEL_DEBUG=reemit blender ``` Reference: `#116322`

Pratik Borhade added

Status

Needs Information from User

and removed

Status

Needs Triage

labels 2024-08-23 10:24:49 +02:00

Thomas Dinges commented

2024-09-19 11:36:36 +02:00

No activity for more than a week. As per the tracker policy we assume the issue is gone and can be closed.

Thanks again for the report. If the problem persists please open a new report with the required information.

No activity for more than a week. As per the tracker policy we assume the issue is gone and can be closed. Thanks again for the report. If the problem persists please open a new report with the required information.

Thomas Dinges closed this issue

2024-09-19 11:36:40 +02:00

Blender Bot added

Status

Archived

and removed

Status

Needs Information from User

labels 2024-09-19 11:36:42 +02:00

Sign in to join this conversation.