[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 - john (john)

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could you try if this still happens if remove
target/linux/ramips/patches-4.9/0005-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch 
target/linux/ramips/patches-4.9/0006-MIPS-ralink-add-cpu-frequency-scaling.patch 

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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=804#comment3055