Re: Regression from 7627a0edef54 ("ata: ahci: Drop low power policy board type") on reboot (but not cold boot)

Eric
2025-03-03T18:04:22Z

re-sent to lists because my client mistaklenly sent as HTML (now fixed,
AFAIK). Sorry for the inconvenience.

Hi Niklas

Le 03/03/2025 à 07:25, Niklas Cassel a écrit :
> So far, this just sounds like a bug where UEFI cannot detect your SSD.
Bit it is detected during cold boot, though.
> UEFI problems should be reported to your BIOS vendor.
I'll try to see what can be done, however I am not sure how responsive
they will be for this board...
> It would be interesting to see if _Linux_ can detect your SSD, after a
> reboot, without UEFI involvement.
>
> If you kexec into the same kernel as you are currently running:
> https://manpages.debian.org/testing/kexec-tools/kexec.8.en.html
>
> Do you see your SSD in the kexec'd kernel?

Sorry, I've tried that using several methods (systemctl kexec / kexec
--load + kexec -e / kexec --load + shutdown --reboot now) and it failed
each time. I *don't* think it is related to this bug, however, because
each time the process got stuck just after displaying "kexec_core:
Starting new kernel".

No further output, the machine is completely unreponsive, even to the
power button (I had to force power down by pressing the button until the
system switches off).

> Kind regards,
> Niklas

kind regards,

Eric