Date: Thu, 29 Oct 2020 10:14:01 -0400 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: Javi Hotmail <volkovdablo@hotmail.com>, Michael Tuexen <Michael.Tuexen@macmic.franken.de> Cc: freebsd-ppc@freebsd.org Subject: Re: Question about xserve G5 Message-ID: <88d23ee0-765d-1b82-4318-2c8359018b1a@freebsd.org> In-Reply-To: <DB8PR04MB6860543600F2C6FDEDF32BD8AC140@DB8PR04MB6860.eurprd04.prod.outlook.com> References: <DB8PR04MB68602F9341DEED4BA6808046AC140@DB8PR04MB6860.eurprd04.prod.outlook.com> <B20755EC-8EA1-4326-B4D8-EF657ACF73ED@macmic.franken.de> <DB8PR04MB6860543600F2C6FDEDF32BD8AC140@DB8PR04MB6860.eurprd04.prod.outlook.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Could you provide your dmesg? It would be nice to do what sensors you have. -Nathan On 10/29/20 8:36 AM, Javi Hotmail wrote: > If I'm not mistake the issue then is how the PPC implementation reads > the device tree data from open firmware correct?. > > I believe this implementation is within: > > pcr.c pmcr.c pmufreq.c > > > Thanks in advance, > > Javi. > > > On 29/10/2020 12:26, Michael Tuexen wrote: >>> 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" > _______________________________________________ > 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" >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?88d23ee0-765d-1b82-4318-2c8359018b1a>