Very high battery usage on MacBook Pro, causing sudden shutdown #64840

New Issue

Alan Noble · 2019-05-19T17:32:33+02:00

Alan Noble commented

2019-05-19 17:32:33 +02:00

System Information
Operating system: Darwin-18.2.0-x86_64-i386-64bit 64 Bits
Graphics card: Intel Iris Pro OpenGL Engine Intel Inc. 4.1 INTEL-12.4.7

Blender Version
Broken: version: 2.80 (sub 64), branch: blender2.7, commit date: 2019-05-13 22:40, hash: f070bdd7c9
Worked: (optional)

Short description of error

UPDATE: 2.79 causes the same issue, which it hasn't before. So this is probably some kind of hardware issue.

While rendering, Blender seems to use a ridiculous amount of power (see screencaps), often causing my computer to shut down without warning, causing me to lose any unsaved work. This has happened with several different documents and two different versions of 2.8.

I have not yet had a chance to discover whether other applications or older versions of Blender cause the same problems. I took my computer in for repair earlier this week, assuming it was a hardware issue. They cleaned it out and then stress tested it afterwards and found no issues.

So now I am wondering whether there is a problem with Blender itself.

Note that these up and down spikes are happening during render time. Is this normal battery usage?

**System Information** Operating system: Darwin-18.2.0-x86_64-i386-64bit 64 Bits Graphics card: Intel Iris Pro OpenGL Engine Intel Inc. 4.1 INTEL-12.4.7 **Blender Version** Broken: version: 2.80 (sub 64), branch: blender2.7, commit date: 2019-05-13 22:40, hash: `f070bdd7c9` Worked: (optional) **Short description of error** UPDATE: 2.79 causes the same issue, which it hasn't before. So this is probably some kind of hardware issue. While rendering, Blender seems to use a ridiculous amount of power (see screencaps), often causing my computer to shut down without warning, causing me to lose any unsaved work. This has happened with several different documents and two different versions of 2.8. I have not yet had a chance to discover whether other applications or older versions of Blender cause the same problems. I took my computer in for repair earlier this week, assuming it was a hardware issue. They cleaned it out and then stress tested it afterwards and found no issues. So now I am wondering whether there is a problem with Blender itself. ![ishot615.jpg](https://archive.blender.org/developer/F7049076/ishot615.jpg) Note that these up and down spikes are happening during render time. Is this normal battery usage? ![ishot614.jpg](https://archive.blender.org/developer/F7049081/ishot614.jpg)

Alan Noble commented

2019-05-19 17:32:34 +02:00

Added subscriber: @AlanNoble

Brecht Van Lommel commented

2019-05-19 21:35:51 +02:00

Added subscriber: @brecht

Brecht Van Lommel commented

2019-05-19 21:35:51 +02:00

Changed status from 'Open' to: 'Archived'

Brecht Van Lommel closed this issue

2019-05-19 21:35:51 +02:00

Brecht Van Lommel self-assigned this 2019-05-19 21:35:51 +02:00

Brecht Van Lommel commented

2019-05-19 21:35:51 +02:00

It is normal that rendering uses a lot of power. You can reduce the number of threads in the Performance panel, but by default it will try to use all computing power available to render as fast as possible.

If the computer shuts down in cases like this it indicates a hardware problem.

It is normal that rendering uses a lot of power. You can reduce the number of threads in the Performance panel, but by default it will try to use all computing power available to render as fast as possible. If the computer shuts down in cases like this it indicates a hardware problem.

Alan Noble commented

2019-05-19 23:29:53 +02:00

Okay. Thanks anyway!

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Very high battery usage on MacBook Pro, causing sudden shutdown #64840