Date: Sun, 12 Nov 2017 23:36:07 +0100 From: Claude Buisson <clbuisson@orange.fr> To: "Herbert J. Skuhra" <herbert@mailbox.org> Cc: freebsd-arm@freebsd.org, ian@FreeBSD.org Subject: Re: rpi2: cpufreq(4) support lost ? Message-ID: <7788f998-bc35-7077-1d1e-42388721038c@orange.fr> In-Reply-To: <878tfbgqnv.wl-herbert@mailbox.org> References: <2bceba56-f6a8-5120-fac5-0d3387a8278d@orange.fr> <87a7zrgvzv.wl-herbert@mailbox.org> <878tfbgqnv.wl-herbert@mailbox.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On 11/12/2017 21:58, Herbert J. Skuhra wrote: > 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. This was my own hypothesis, which leads me nowhere.. > > rpi2.dtb from a r324183 kernel build (armv6) works. > > - > Herbert > Further more the latest snapshot (where cpufreq is missing) does not boot as is: "Unable to read file ubldr" and /boot/unldr must be copied to /boot/msdos Claude Buisson
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?7788f998-bc35-7077-1d1e-42388721038c>