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SubjectRe: [BUG] WARNING: CPU: 3 PID: 1 at mm/debug_vm_pgtable.c:493
On Thu, 18 Nov 2021 10:33:39 -0800
Linus Torvalds <torvalds@linux-foundation.org> wrote:

> Gavin, Anshuman? Feel free to tell me what I missed.

Let me know if you would like me to add more debugging. The failure happens
once every few weeks or so.

>
> Otherwise, we should disable those PUD tests (or fix them, of course).
>
> For now, I consider this WARN_ON() to be a failure of the testing
> infrastructure, not of the VM code.

For now, I'm just going to comment out those WARN_ON()s in my tests, as it
causes me to have to restart them :-p (I can modify the testing scripts to
restart where it last failed as it is a couple of hours into the tests when
it triggers, but it is still a pain).

-- Steve

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