GitHub user lzf12 created a discussion: Occasional Airflow tasks: Upstream 
tasks succeed and downstream tasks are not scheduled

### Apache Airflow version

2.10.4

### If "Other Airflow 2 version" selected, which one?

2.8.2

### What happened?

![EB2103E2-832C-487f-A2AD-39298FC716B9](https://github.com/user-attachments/assets/c1051dc6-a0a1-4553-8a36-111501250824)
![0B813AE6-4AFB-4072-BDB4-27FEB0ECCE06](https://github.com/user-attachments/assets/aca6a086-a6dc-4dc0-99ea-6579830282d9)
As shown in the figure above, after the stat_27 is successfully executed, the 
scheduler should schedule the downstream tasks, but in fact there is no 
scheduling, this problem is occasional, but recently our production frequency 
is relatively high, there are workers to help as soon as possible, thank you 
very much

### What you think should happen instead?

Looking at the source code, it seems that the logic of the scheduling check 
block has just been modified on October 23rd.,There's a labor gang to take a 
look.

### How to reproduce

I can't reproduce it for the time being, this problem is occasional, it should 
be a problem in the code logic

### Operating System

Ubuntu

### Versions of Apache Airflow Providers

_No response_

### Deployment

Official Apache Airflow Helm Chart

### Deployment details

Airflow 2.10.4 deployed by K8S + Helm

### Anything else?

_No response_

### Are you willing to submit PR?

- [ ] Yes I am willing to submit a PR!

### Code of Conduct

- [X] I agree to follow this project's [Code of 
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)


GitHub link: https://github.com/apache/airflow/discussions/45540

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