OBS Began to Get Stuck at Stopping Recording

[GiornoTheme]

I’ve been using OBS to record in MKV format for a few months without issues. The recordings were usually 1 hour, 3 hours and 5 hours. However, after making changes to the Output settings last week, the recorded file size became 40 times larger than usual. I tried adjusting the settings again, and eventually reset them to default by creating a new profile. Since then, OBS gets stuck at "Stopping Recording" for quite a while, even for short recordings (e.g., 3 minutes).

Other changes I made to my laptop before the issue started:
Installed VLC Player, Adobe InDesign, Photoshop, and Premiere Pro.

Measures I have taken:
1. Reset settings to default by creating a new profile.
2. Waited 20 minutes, then clicked "Stop Recording" AGAIN while it was still stuck. This resulted in only the first hour of a five-hour recording being saved.
3. Followed a Reddit suggestion to change the recording format from MKV to "Fragmented MP4 (.mp4)." When it got stuck at Stopping Recording, I ended the "obs-ffmpeg-mux.exe" in Task Manager, but this still didn’t work because I lost part of the recording.

The Log Analysis showed 58.4% Rendering Lag and 100.0% GPU Encoder Overload.
Just now I tested with a 3 minute recording and it was 18.5% Rendering Lag, 73.2% GPU Encoder Overload.
But OBS was working fine until last week. Can anyone help resolve this?

 

[koala]

It could help if you post a log from last week when it was still working properly for you. It's not possible to guess what might has happened since then.

If this was a new issue, I would say your GPU usage is too high, so the Quicksync hardware encoder doesn't get enough GPU resources to do its job. Check GPU usage and see if there is some app except OBS has excessively high GPU usage.

 

[GiornoTheme]

It could help if you post a log from last week when it was still working properly for you. It's not possible to guess what might has happened since then.

If this was a new issue, I would say your GPU usage is too high, so the Quicksync hardware encoder doesn't get enough GPU resources to do its job. Check GPU usage and see if there is some app except OBS has excessively high GPU usage.

Hi. Below is the earliest log I could find. This was after I messed up the settings by raising the bitrate to 25,000, which resulted in a large file size, but before the Stop Recording issue occurred.

 

[koala]

The stop recording issue is just the consequence of severe encoder overload. If you fix the encoder overload, you fix the stop issue. Try a less demanding Target Use, so see what happens if you switch to TU5, 6, 7. For recording, this will probably not lower the quality as the description suggests, but instead just slightly increase the file size. The quality part is only valid for steaming, resp. for bitrate orientated rate controls but not for ICQ or CQP.