Re: [PATCH v4 7/7] ARM: implement support for vmap'ed stacks

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On 05/01/2022 11:12, Ard Biesheuvel wrote:

...

Thanks for the report.

It would be helpful if you could provide some more context:
- does it happen on a LPAE build too?

Enabling CONFIG_ARM_LPAE does work.

- does it only happen on SMP capable systems?
- does it reproduce on such systems when using only a single CPU?
(i.e., pass 'nosmp' on the kernel command line)

Adding 'nosmp' does not help.

- when passing 'no_console_suspend' on the kernel command line, are
any useful diagnostics produced?

Adding 'no_console_suspend' does not produce any interesting logs.

- is there any way you could tell whether the crash/hang (assuming
that is what you are observing) occurs on the suspend path or on
resume?

That is not clear. I see it entering suspend, but not clear if it is failing on entering suspend or resuming.

Cheers
Jon

--
nvpublic



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