[SRU] [Unstable/OEM-5.14] [PATCH 0/1] Reinstate ACPI S5 for reboot

[Kai-Heng Feng]

On Thu, Feb 17, 2022 at 10:30 PM Timo Aaltonen <tjaalton at ubuntu.com> wrote:
>
> Timo Aaltonen kirjoitti 14.12.2021 klo 17.12:
> > On 16.11.2021 8.18, Kai-Heng Feng wrote:
> >> BugLink: https://bugs.launchpad.net/bugs/1951055
> >>
> >> [Impact]
> >> On some systems, Intel WiFi device may stop working after reboot.
> >>
> >> [Fix]
> >> Use ACPI S5 for reboot.
> >>
> >> [Test]
> >> 2000 times of reboot stress, and Intel WiFi continues work on affected
> >> system.
> >>
> >> [Where problems could occur]
> >> There was a bug introduced by this patch, but the user didn't want to
> >> find the root cause. Since we have more control on Ubuntu kernel, we'll
> >> fix the root cause properly this time.
> >>
> >> Kai-Heng Feng (1):
> >>    UBUNTU: SAUCE: PM: ACPI: reboot: Reinstate S5 for reboot
> >>
> >>   kernel/reboot.c | 2 ++
> >>   1 file changed, 2 insertions(+)
> >>
> >
> > I looked at the private bug, and looks like there's a proper fix in the
> > works?
>
> Ping, could you check this?

Yes this patch is still helpful, so please include it, thanks!

Kai-Heng

>
>
> --
> t