Date: Sun, 12 Nov 2017 21:58:44 +0100 From: "Herbert J. Skuhra" <herbert@mailbox.org> To: Claude Buisson <clbuisson@orange.fr> Cc: freebsd-arm@freebsd.org, ian@FreeBSD.org Subject: Re: rpi2: cpufreq(4) support lost ? Message-ID: <878tfbgqnv.wl-herbert@mailbox.org> 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 Sun, 12 Nov 2017 20:03:32 +0100, "Herbert J. Skuhra" <herbert@mailbox.org> 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? > > > 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). I think the breakage happened earlier... r324184. rpi2.dtb from a r324183 kernel build (armv6) works. -- Herbert
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