BUG: scheduling while atomic: swapper/1/0/0xffff0000

[Russell King (Oracle)]

On Thu, Jun 23, 2022 at 02:55:08PM +0200, Andreas Schwab wrote:
> I'm getting a lot of these messages on a panda board:
> 
> [  572.187805] BUG: scheduling while atomic: swapper/1/0/0xffff0000

This looks like a preempt count underflow of hard interrupts, which
means the backtrace won't be useful in tracking it down, sadly.

If it's a regression, bisecting might be the easiest way to find the
offending commit.

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