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SubjectRe: Commit 4257f7e0 ("PCI/ASPM: Save/restore L1SS Capability for suspend/resume") causing hibernate resume failures

OK, got more info:

On Sun, 27 Dec 2020, Bjorn Helgaas wrote:

> If it's convenient, can you try the patch below? If the debug patch
> doesn't help:

> - Are you seeing the hibernate/resume problem when on AC or on
> battery?

OK, so:

- on TLP, before your patch, it panic()s on AC, but not on battery
- on TLP, with your patch, it panic()s on battery, but NOT on AC
- if TLP is masked, it still panic()s, but I forget if AC or battery
- even if I mask TLP, with your commit in place it panic()s

> - If you revert 4257f7e008ea, does hibernate/resume work fine? Both
> with the tlp tweak and without?

Definitely with the revert everything works. I'll try your patch after the
revert and see if anything changes.

-Kenny

--
Kenneth R. Crudup Sr. SW Engineer, Scott County Consulting, Orange County CA

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