From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 100270] power usage increase by approx 4W between kernel 4.7.8 and 4.8.5 Date: Tue, 21 Mar 2017 17:08:19 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0042889544==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id EFFCE6E75E for ; Tue, 21 Mar 2017 17:08:18 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============0042889544== Content-Type: multipart/alternative; boundary="14901160981.6EE607.8761"; charset="UTF-8" --14901160981.6EE607.8761 Date: Tue, 21 Mar 2017 17:08:18 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D100270 --- Comment #6 from Alex Deucher --- (In reply to brett.hassall from comment #5) > (In reply to Emil Velikov from comment #2) > > If your bisection has gone right, you're looking at either > > c39b487f195b93235ee76384427467786f7bf29f (if you're running amdgpu) or > > b817634276f7f68c9d1d6d4a27117ff3c2f16956 (if you're on radeon). > >=20 > > lspci should tell you which one, and you should be able to revert eithe= r one > > on top of 4.8.5. Once you confirm the commit causing the issue, please > > change the component accordingly and CC the author - Alex Deucher. >=20 > Following the "git checkout tags/v4.8-rc3 -b bug" I reverted > b817634276f7f68c9d1d6d4a27117ff3c2f16956. Power usage dropped by approx 4= .5W > (measured after login once system had settled, wifi not connected). So apparently your system claims to support pcie pm (d3cold), but either doesn't or it's disabled for some reason. --=20 You are receiving this mail because: You are the assignee for the bug.= --14901160981.6EE607.8761 Date: Tue, 21 Mar 2017 17:08:18 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated

Commen= t # 6 on bug 10027= 0 from Alex Deucher 
(In reply to brett.hassall from comment #5)
> (In reply to Emil Velikov from comment #2)
> > If your bisection has gone right, you're looking at either
> > c39b487f195b93235ee76384427467786f7bf29f (if you're running amdgp=
u) or
> > b817634276f7f68c9d1d6d4a27117ff3c2f16956 (if you're on radeon).
> >=20
> > lspci should tell you which one, and you should be able to revert=
 either one
> > on top of 4.8.5. Once you confirm the commit causing the issue, p=
lease
> > change the component accordingly and CC the author - Alex Deucher.
>=20
> Following the "git checkout tags/v4.8-rc3 -b bug" I reverted
> b817634276f7f68c9d1d6d4a27117ff3c2f16956. Power usage dropped by appro=
x 4.5W
> (measured after login once system had settled, wifi not connected).

So apparently your system claims to support pcie pm (d3cold), but either
doesn't or it's disabled for some reason.

You are receiving this mail because:
  • You are the assignee for the bug.
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