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* [gentoo-user] Macbook pro mid-2014 overheats
@ 2016-11-14 19:05 Mick
  2017-01-07 17:21 ` [gentoo-user] " Mick
  0 siblings, 1 reply; 2+ messages in thread
From: Mick @ 2016-11-14 19:05 UTC (permalink / raw
  To: gentoo-user

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Hi All,

I started installing gentoo on a Macbook pro 15" and stopped soon after I 
created new partitions for it.  I could feel the Macbook overheating while 
running the sysrescuecd kernel, without me having compiled a single package 
yet.

I'm guessing it is missing some drivers; for example I have no wireless 
interface listed, although sysrescuecd has loaded the bcma module.

Has anyone attempted running gentoo on this hardware and what solution did you 
follow to control CPU voltage/temperatures?

-- 
Regards,
Mick

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^ permalink raw reply	[flat|nested] 2+ messages in thread

* [gentoo-user] Re: Macbook pro mid-2014 overheats
  2016-11-14 19:05 [gentoo-user] Macbook pro mid-2014 overheats Mick
@ 2017-01-07 17:21 ` Mick
  0 siblings, 0 replies; 2+ messages in thread
From: Mick @ 2017-01-07 17:21 UTC (permalink / raw
  To: gentoo-user

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On Monday 14 Nov 2016 19:05:26 Mick wrote:
> Hi All,
> 
> I started installing gentoo on a Macbook pro 15" and stopped soon after I
> created new partitions for it.  I could feel the Macbook overheating while
> running the sysrescuecd kernel, without me having compiled a single package
> yet.
> 
> I'm guessing it is missing some drivers; for example I have no wireless
> interface listed, although sysrescuecd has loaded the bcma module.
> 
> Has anyone attempted running gentoo on this hardware and what solution 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 
at 100% CPU.  Google advised this is a kernel bug, according to this report at 
least and disabling the corresponding interrupt (gpe16 in my case) appears to 
have brought the overheating under control:

https://bugzilla.redhat.com/show_bug.cgi?id=1115658

-- 
Regards,
Mick

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^ permalink raw reply	[flat|nested] 2+ messages in thread

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