[FS#804] mt7621: kernel errors - rcu_sched detected stalls on CPUs/tasks

[LEDE Bugs]

The following task has a new comment added:

FS#804 - mt7621: kernel errors - rcu_sched detected stalls on CPUs/tasks
User who did this - Pierre Parent (pparent76)

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I will not use the magic number technique again because:

1- It's useless, since modules that were not included in my build, and therefore not built will not work @Zhong Jianxin said. Those who are built I can include them directly in the image.

2- It can lead to wrong diagnostic and wrong conclusions for our testing. Since as we saw we can get kernel errors due to incompatibility between the kernel I built and modules in packages upstream.

3- I will compile an image with traffic shaping in one hour, so that you can test with traffic shaping.
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https://bugs.lede-project.org/index.php?do=details&task_id=804#comment3106