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From: "Zheng, Lv" <lv.zheng@intel.com>
To: Paul Menzel <pmenzel@molgen.mpg.de>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	"Brown, Len" <len.brown@intel.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: Question regarding power button of Dell XPS13
Date: Wed, 28 Dec 2016 07:07:06 +0000	[thread overview]
Message-ID: <1AE640813FDE7649BE1B193DEA596E886CE1EC3D@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <85733318-50fd-80b7-af45-b4cc76e8a076@molgen.mpg.de>

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

  parent reply	other threads:[~2016-12-28  7:08 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-23 12:36 Question regarding power button of Dell XPS13 Paul Menzel
2016-12-25 22:26 ` Linus Torvalds
2016-12-26 15:10   ` Ozgur Karatas
2016-12-27  7:48 ` Thorsten Leemhuis
2017-01-04 15:10   ` Paul Menzel
2016-12-28  7:07 ` Zheng, Lv [this message]
2017-01-05  5:19 Daniel J Blueman

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