APPLIED (unstable/5.11): [SRU] [G/Unstable/OEM-5.10] [PATCH 0/7] Prevent thermal shutdown during boot process

[Andrea Righi]

On Thu, Jan 21, 2021 at 04:48:54PM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1906168
> 
> [Impact]
> Surprising thermal shutdown at boot on Intel based mobile workstations.
> 
> [Fix]
> Since these thermal devcies are not in ACPI ThermalZone, OS shouldn't
> shutdown the system.
> 
> These critial temperatures are for usespace to handle, so let kernel
> know it shouldn't handle it.
> 
> [Test]
> Use reboot stress as a reproducer. 5% chance to see a surprising
> shutdown at boot.
> 
> With the fix applied, the thermal shutdown is no longer reproducible.
> 
> [Where problems could occur]
> For ACPI based platforms, we still have "acpitz" to protect systems from
> overheating. If these acpitz sensors don't work, then the system could
> face real overheating issue.

Applied to 5.11 unstable (only the patches from linux-next that were
missing). Thanks!

-Andrea