The attachments made the messages too big; resending one at a time.
On Tue, 1 Feb 2022, Kenneth R. Crudup wrote:
>
> On Tue, 1 Feb 2022, Vidya Sagar wrote:
>
> > Kenneth R. Crudup <[email protected]>
> > Could you please try this patch on top of linux-next and collect more info?
> > - 'sudo lspci -vvvv' output before and after hibernation
>
> See attached. Added a diff file, too.
>
> > - could you please confirm the working of this patch for non NVMe devices that
> > support L1 Sub-States?
>
> It seems to work, I'm on it now. I saw a "GPU Hang" from the i915 driver, but
> it doesn't seem to be affecting the GPU any.
>
> > - Could you please try "NVME_QUIRK_NO_DEEPEST_PS" and "NVME_QUIRK_SIMPLE_SUSPEND"
> > quirks (one at a time) in check_vendor_combination_bug() API and see if it
> > makes any difference?
>
> Do you still need me to do that, since this appears to work?
>
> I will try another hibernate attempt just to be sure, too.
>
> -Kenny
>
>
--
Kenneth R. Crudup / Sr. SW Engineer, Scott County Consulting, Orange County CA