On Fri, 2013-08-02 at 16:47 +0200, Michel Dänzer wrote: > On Fre, 2013-08-02 at 22:51 +1000, Benjamin Herrenschmidt wrote: > > On Fri, 2013-08-02 at 12:03 +0200, Michel Dänzer wrote: > > > Could a similar change fix the same problem on desktop G5s? The same > > > values for slots_param in windfarm_pm112.c don't help, unfortunately. > > > > You have a 11,2 and a noisy fan ? Odd, mine(s) don't.... I can dbl check > > the values vs. what Darwin uses tomorrow... > > Yes, see /proc/cpuinfo below. > > With older kernels (currently still using Debian's 3.2.0-4-powerpc64 > because of this problem), the fans go basically silent as soon as the > windfarm modules are loaded. With current kernels, the fans stay at the > level OF sets them to, until after a while they go into 'airplane mode'. > > One thing I notice now is that the lines like > > [ 9.539173] windfarm: CPUs control loops started. > [ 16.209962] windfarm: Backside control loop started. > [ 16.262274] windfarm: Slots control loop started. > [ 16.371642] windfarm: Drive bay control loop started. > > no longer appear in dmesg with current kernels. Should they?
Yes. Do you have all the windfarm modules loaded ? What about i2c-powermac ? (It's typical that the latter is missed, I think it doesn't auto-load, which we never fixed, we used to request distros to just built it in) Ben. > > processor : 0 > cpu : PPC970MP, altivec supported > clock : 2500.000000MHz > revision : 1.1 (pvr 0044 0101) > > processor : 1 > cpu : PPC970MP, altivec supported > clock : 2500.000000MHz > revision : 1.1 (pvr 0044 0101) > > processor : 2 > cpu : PPC970MP, altivec supported > clock : 2500.000000MHz > revision : 1.1 (pvr 0044 0101) > > processor : 3 > cpu : PPC970MP, altivec supported > clock : 2500.000000MHz > revision : 1.1 (pvr 0044 0101) > > timebase : 33333333 > platform : PowerMac > model : PowerMac11,2 > machine : PowerMac11,2 > motherboard : PowerMac11,2 MacRISC4 Power Macintosh > detected as : 337 (PowerMac G5 Dual Core) > pmac flags : 00000000 > L2 cache : 1024K unified > pmac-generation : NewWorld > > _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
