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SubjectRE: Question regarding power button of Dell XPS13
Date
Hi, Paul

> From: Paul Menzel [mailto:pmenzel@molgen.mpg.de]
> Subject: Question regarding power button of Dell XPS13
>
> Dear Linus, dear Len,
>
>
> I heard that you both have a Dell XPS13. I got the “revision” 9360, and
> installed Debian Stretch/testing on it with Linux 4.8.15 and Linux 4.9-rc8.
>
> When pressing the power button the GNOME dialog, asking what to do
> (restart, power off, …) doesn’t appear.
>
> Neither `xev` nor `acpi_listen` show something, so I submitted ticket
> #190871 [1], and Lv already looked at it.
>
> Just to make sure, that it is really a Linux problem, does the power
> button work for you?

I'm not sure if there is no bug in drivers/acpi/button.c.
At least this driver never handles 0x02 sleep/power button notifications.
Just because there is no SCI routed to the drivers after a wakeup.

And we have quirks related to the freeze mode for 0x80 sleep/power button notifications.

I don't know if the above potential issues can cause real problems.

>
>
> Kind regards,
>
> Paul
>
>
> [1] https://bugzilla.kernel.org/show_bug.cgi?id=190871

Yes.
We are debugging it there.

Thanks
Lv

> [2]
> http://changelogs.ubuntu.com/changelogs/pool/main/l/linux/linux_4.4.0-57.78/changelog
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