Date: Sun, 12 Nov 2017 23:30:41 +0100 From: Claude Buisson <clbuisson@orange.fr> To: "Herbert J. Skuhra" <herbert@mailbox.org> Cc: freebsd-arm@freebsd.org Subject: Re: rpi2: cpufreq(4) support lost ? Message-ID: <2cedd4c6-1db0-04e7-b131-b0f0fc2f0500@orange.fr> In-Reply-To: <87a7zrgvzv.wl-herbert@mailbox.org> References: <2bceba56-f6a8-5120-fac5-0d3387a8278d@orange.fr> <87a7zrgvzv.wl-herbert@mailbox.org>
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On 11/12/2017 20:03, Herbert J. Skuhra wrote: > On Sat, 11 Nov 2017 12:47:47 +0100, > Claude Buisson <clbuisson@orange.fr> wrote: >> >> [I am not subscribed to this list - please answser to me] >> >> I recently upgraded a RPI2 Model B, from head r323691 armv6 to head >> r325110 + patch D12907 (lib/libc/gen/tls.c) armv7. >> >> In the dmesg, the lines: >> >> bcm2835_cpufreq0: <CPU Frequency Control> on cpu0 >> bcm2835_cpufreq0: ARM 600MHz, Core 250MHz, SDRAM 400MHz, Turbo OFF >> >> disappeared, and the log shows: >> >> /etc/rc.d/powerd start >> powerd: no cpufreq(4) support -- aborting: No such file or directory >> >> As what seems to be a consequence, the system became much slower. >> >> Everything came back to normal when I copied the old rpi2.dtb to the >> new /boot/msdos/ > > The old rpi2.dtb is from an armv6 build, right? Yes: from head r323691 armv6 as documented supra > >> I tried the rpi2.dtb from the lastest snapshot >> FreeBSD-12.0-CURRENT-arm-armv7-RPI2-20171109-r325595.img >> and cpufreq(4) disappeared again. >> >> What I am missing ? > > The problem obviously exists since the switch to armv7. > > I use rpi2.dtb from my other RPI2 (stable/11). > > -- > Herbert >
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