MacBook Pro gets very hot running Logos 8

Does anyone else have a problem with heat when using Logos 8? When I am using it my laptop gets so hot it's uncomfortable to have on my lap. The fan runs at full speed so there's the noise of it. This only happens with Logos 8. It never happens with any other software I use. Apple has checked my laptop and it has no issues which would cause the heat issue. Logos support says I am the only one with this problem.

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Mike Binks

Hi Tim

Apple laptops do run quite warm, and even hot especially when indexing etc.

If you are using your laptop on your lap then be very careful that your clothes do not restrict the air flow.

I usually find it better to stick it on a tray.

Tim Beerman

The difference between the heat my laptop generates when running Logos 8 and any other program is light years apart. After my laptop has been sitting on my laptop stand having used Logos 8 it is quite uncomfortable to place on my lap. Your reply wasn't helpful but thanks for trying!

mab

I am convinced that Logos is among the most demanding pieces of software ever. All the more so when it needs to update and index and whenever you expect it to have mountains of windows and searches going. You didn't say what you have under the hood. If you don't have at least an i5 and 8GB RAM and 256GB SSD of recent vintage you are going to have a tough haul.

Tim Beerman

The heat issue happens all the time, not just when indexing. My MacBook Pro is a 2.5 GHz core i7, 16GB, 1600 MHz DDR3, NVIDIA GeForce GT 750M.

Levi Durfey

Does anyone else have a problem with heat when using Logos 8? When I am using it my laptop gets so hot it's uncomfortable to have on my lap. The fan runs at full speed so there's the noise of it. This only happens with Logos 8. It never happens with any other software I use. Apple has checked my laptop and it has no issues which would cause the heat issue. Logos support says I am the only one with this problem.

Hi Tim, what you are seeing is unusual. Your fans will run full speed while indexing, but they should not at any other time. Is it possible that Logos is stuck indexing?

What does the macOS Activity Monitor report concerning the CPU usage for Logos? Posting a screenshot (use the paperclip icon) of the Activity Monitor's CPU page with it filtered to just show "Logos" might be helpful.

Please post your logs (see my signature below). Perhaps they will reveal something about your issue.

Tim Beerman

Reuben Helmuth

Tim, do you have Atlas open? Trying to remember if there are other things that fire up LogosCEF like that....

mab

Looks crazy out of control. I'll let someone suggest something, but my base hardware is similar and Logos is not even on 10% CPU.

Tim Beerman

No. If I use the Atlas I come it when finished.

Dave Colclough

Tim, a temporary workaround until this gets sorted might be to use the web version of Logos at https://app.logos.com

Tim Beerman

That's what Logos Support suggested. I'd rather see them fix the issue.

Mark Barnes

Does anyone else have a problem with heat when using Logos 8? When I am using it my laptop gets so hot it's uncomfortable to have on my lap. The fan runs at full speed so there's the noise of it. This only happens with Logos 8. It never happens with any other software I use. Apple has checked my laptop and it has no issues which would cause the heat issue. Logos support says I am the only one with this problem.

To diagnose, it would help if you could start Logos to an empty layout (not the home screen), and then launch a few things that might cause the CPU spike. While you do this, keep an eye on your Activity Monitor, and see what causes the spike. Here's the things to test:

The Home Page.
The Notes tool.
A couple of interactives.

Tim Beerman

I've done that and it doesn't seem to matter what I start with. It invariably heats up and the fan starts running. When I stop inputting the heat decreases and the fan eventually shuts off.

Levi Durfey

Hi Tim. I've been away for a while at Bible Camp. Have you resolved this issue yet?

If you haven't, I would suggest calling customer service again and referencing this thread so that they have more to go on.

Also: could someone (FL or KSFJ or someone else) please take a look at the logs posted here?

Tim Beerman

Thanks to all who tried to help with my issue! Logos tech support finally got involved and after some testing determined that it was my laptop which is the culprit. According to them there is a known issue with certain MacBooks with overheating. Although mine was made slightly before that generation it still has the some of the same issues. I'll just have to put up with a very hot laptop with with an active fan when using Logos 8.