Re: PowerMac G5 fans run out of control with kernel 4.17.0-3-powerpc64 but not with 4.16.0-1-powerpc64

[Rick Thomas <rbthomas@pobox.com>]

On Sep 21, 2018, at 9:51 AM, Dennis Clarke <dclarke@blastwave.org> wrote:

> On 09/03/2018 04:42 AM, Wolfram Sang wrote:
>>> The bug is “status: NEEDINFO”, so I assume it’s not fixed yet.  In the meantime, manually loading the windfarm modules is a tested workaround.
>> Does this workaround work for you, too?
>> "However, there is a workaround: In addition to CONFIG_I2C_POWERMAC=y you
>> need to compile "Device Drivers → Macintosh device drivers → WINDFARM=y"
>> statically into the kernel. Then, the relevant WINDFARM_xx module gets
>> automatically loaded again."
> 
> Merely a follow up.
> 
> I have tested this and run the change :
> 
>    therm_windtunnel: drop using attach_adapter
> git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/macintosh?id=3e7bed52719de4b5b5fb900869e293eae0bc3f3e
> 
> For weeks now with no issues.
> 
> I am switching to 4.18.9 now and the drivers/macintosh/therm_windtunnel.c file therein is still original.  I see no reason why
> the change could not be pushed into the linux kernel proper.
> 
> Dennis

Hi Dennis,

This is good news.  If you can send me a way to download the .deb(s) for this kernel, I’ll be happy to test it on my PowerMac7,3 G5 dual processor machine.
If it works on that I’ll also try it on my PowerMac11,2 G5 dual core.

Thanks very much for all your work!
Rick