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[217.169.3.230]) by smtp.gmail.com with ESMTPSA id c81sm9283966wmf.22.2017.01.07.09.21.19 for (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 07 Jan 2017 09:21:19 -0800 (PST) From: Mick To: gentoo-user@lists.gentoo.org Subject: [gentoo-user] Re: Macbook pro mid-2014 overheats Date: Sat, 07 Jan 2017 17:21:02 +0000 Message-ID: <2184149.5JGNIeLH6Z@dell_xps> User-Agent: KMail/4.14.10 (Linux/4.4.39-gentoo; KDE/4.14.24; x86_64; ; ) In-Reply-To: <1622174.TpRRnbCs1f@dell_xps> References: <1622174.TpRRnbCs1f@dell_xps> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart2506605.4BpCeD1kyC"; micalg="pgp-sha256"; protocol="application/pgp-signature" X-Archives-Salt: 7d8b093b-38b0-420e-aa7d-c1da1eb3e7be X-Archives-Hash: 417dfa5af8e9fb76a66fe4816bdc7c44 --nextPart2506605.4BpCeD1kyC Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="us-ascii" On Monday 14 Nov 2016 19:05:26 Mick wrote: > Hi All, >=20 > I started installing gentoo on a Macbook pro 15" and stopped soon aft= er I > created new partitions for it. I could feel the Macbook overheating = while > running the sysrescuecd kernel, without me having compiled a single p= ackage > yet. >=20 > I'm guessing it is missing some drivers; for example I have no wirele= ss > interface listed, although sysrescuecd has loaded the bcma module. >=20 > Has anyone attempted running gentoo on this hardware and what solutio= n did > you follow to control CPU voltage/temperatures? I'm posting this in case it troubles anyone else in the future. I made some time to revisit this problem and found that kworker/0:2 was= pegged=20 at 100% CPU. Google advised this is a kernel bug, according to this re= port at=20 least and disabling the corresponding interrupt (gpe16 in my case) appe= ars to=20 have brought the overheating under control: https://bugzilla.redhat.com/show_bug.cgi?id=3D1115658 =2D-=20 Regards, Mick --nextPart2506605.4BpCeD1kyC Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iQEcBAABCAAGBQJYcSN+AAoJELAdA+zwE4Yer7UIAIl90ysWjdhyTm/V/O2qIREP hlvyeDIs1y97BMzQVsgmzDDY/luzxLvla4V5rb7KTV7fL320yTQufWGzF4EwXduq 32R5bdSEbo5By7kG9kdcBoDrXM1+oeL/X8tv2rjof5+4TRaMJWeM8OQfNeexfJr0 is4xG8Vb9CXi5sOJqIWzesGotPyWtDHzuVOYGfuNkRVSQoUD0Q8XY5gGWIsP67L5 Xyj/rmtmgMesT155nB3uDheGpXBeWZpW+02efzPZ2caboqXZPB+vhQN/YA1vYI/h MdRXybjO6lAGP5fJHPrDMP1dY3rAYdS8jb50EK0KOop862JmW/u1hW+e458ToGs= =duAY -----END PGP SIGNATURE----- --nextPart2506605.4BpCeD1kyC--