Date: Thu, 29 Oct 2020 13:26:55 +0100 From: Michael Tuexen <Michael.Tuexen@macmic.franken.de> To: Javi Hotmail <volkovdablo@hotmail.com> Cc: freebsd-ppc@freebsd.org Subject: Re: Question about xserve G5 Message-ID: <B20755EC-8EA1-4326-B4D8-EF657ACF73ED@macmic.franken.de> In-Reply-To: <DB8PR04MB68602F9341DEED4BA6808046AC140@DB8PR04MB6860.eurprd04.prod.outlook.com> References: <DB8PR04MB68602F9341DEED4BA6808046AC140@DB8PR04MB6860.eurprd04.prod.outlook.com>
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> On 29. Oct 2020, at 10:51, Javi Hotmail <volkovdablo@hotmail.com> wrote: > > Hello all, > > I'm new in this mailing list, although I've been going back and forth > with PPC (G4/G5) and FreeBSD since 9.0. > > I have a question that perhaps some of you already stumbled across, but > I wanted to know if there is a way to get it to work before I jump in > the code. > > I have a xserve G5 dual 2.3Ghz, and I installed FreeBSD 12.1. Works > quite well, but I cannot get cpufreq + powerd/powerdxx to work at all. > > I get this: > > # powerdxx > powerd++: (ENOFREQ) cannot access dev.cpu.0.freq, at least the first CPU > core must support frequency updates > > > This is the relevant part of sysctl: > # sysctl dev.cpu > dev.cpu.1.%parent: cpulist0 > dev.cpu.1.%pnpinfo: name=PowerPC,G5 > dev.cpu.1.%location: > dev.cpu.1.%driver: cpu > dev.cpu.1.%desc: Open Firmware CPU > dev.cpu.0.%parent: cpulist0 > dev.cpu.0.%pnpinfo: name=PowerPC,G5 > dev.cpu.0.%location: > dev.cpu.0.%driver: cpu > dev.cpu.0.%desc: Open Firmware CPU > dev.cpu.%parent: > > The issue is that after few minutes the fans ramp up to insane levels, > and my goal with this is to use powerd or powerdxx to manage the situation. The fans ramping up is a known issue. One way to work around it is to disable SMP. To disable SMP, put in /boot/loader.conf kern.smp.disabled=1 Best regards Michael > > > Thanks in advance, > > Javi. > > _______________________________________________ > freebsd-ppc@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-ppc > To unsubscribe, send any mail to "freebsd-ppc-unsubscribe@freebsd.org"
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