Re: platform/x86: thinkpad_acpi: unhandled HKEY 0x60b0 and 0x60b1

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+Cc: Mattew, who is an author of the patch I posted link to which earlier.

On Tue, Jan 9, 2018 at 3:19 PM, David Herrmann <dh.herrmann@xxxxxxxxx> wrote:
> Hi
>
> The thinkpad_acpi driver constantly reports about unhandled events on
> my ThinkPad X1 5gen. The logs look like this:
>
> kernel: thinkpad_acpi: unknown possible thermal alarm or keyboard event received
> kernel: thinkpad_acpi: unhandled HKEY event 0x60b1
> kernel: thinkpad_acpi: please report the conditions when this event
> happened to ibm-acpi-devel@...
>
> kernel: thinkpad_acpi: unknown possible thermal alarm or keyboard event received
> kernel: thinkpad_acpi: unhandled HKEY event 0x60b0
> kernel: thinkpad_acpi: please report the conditions when this event
> happened to ibm-acpi-devel@...
>
> I have no clue what triggers them. However, the 0x60b1 event seems to
> notify about some kind of action, and 0x60b0 seems to notify about its
> end (like FAN-START, and FAN-STOP). The 0x60b0 follows 0x60b1 usually
> in a timespan between 1s-10s.
>
> The event occurs even when the laptop is not moved/touched, but only
> performs random computations. The first time this occurs is usually
> during user-space startup, which might just be the time the module is
> loaded. So far, I did not see any other event occurring before/after
> it, which might give any hints.
>
> What is the recommended way to deal with that? I am having a hard-time
> figuring out what triggers it, but at the same time it spams the
> system-logs to a degree that after 1h of uptime, the vast majority of
> the system log is cluttered with those messages.
>
> I can provide a patch to ignore these events in the driver? Or does
> anyone have access to Lenovo developers to ask for help?
>
> Thanks
> David



-- 
With Best Regards,
Andy Shevchenko



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