Re: temperature & fan-control

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On Fri, 2009-10-23 at 21:24 +0200, Raúl Porcel wrote:
> Frans van Berckel wrote:
> > Hi,
> > 
> > Is speeding the fans on a Blade 1000/2000 and Fire 280R well supported
> > by the kernel? What sensor modules & tools are needed to compile?
> > 
> > Thanks,
> > 
> > Frans van Berckel
> 
> Frans,
> 
> can't say about the 280R, but the fan control on the Blade 1000/2000
> worked until kernel 2.6.29, when it stopped working and hasn't worked
> since then. If you downgrade to a 2.6.28 kernel for example, you don't
> need any tool for it to work, you just need the CONFIG_ENVCTRL option
> enabled in your kernel either as built-in or as a module.
> 
> @all: feel free to correct me if i'm wrong :)

Hi Raúl,

Thanks for guiding. Did some testing & checking the envctrl sources, I
found out it got to be the bbc parts for the SunBLADE-1000.

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=tree;f=drivers/sbus/char;hb=HEAD

Next I did boot into 2.6.28-6-sparc64-smp but modprobe show's the -22
error while loading the bbc module and does not slow down the fans.

Oct 24 16:35:20 sunbladesrv249 kernel: [  994.142927] i2c-0: Regs at
000007fe7e00002e, 8 devices, own a0, clock 10.
Oct 24 16:35:20 sunbladesrv249 kernel: [  994.145987] bbc_i2c: probe of
f007f00c failed with error -22

So that's faling. I just did upgrade to Sun IEEE Boot Prom 'OBP 4.16.4
2004/12/18 05:18', to be sure but isn't solving my problem.

Did you start a bug ticket yet?


Thanks,

Frans van Berckel






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