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Raspbian Wheezy †RaspberryPi Foundation の公式ページからダウンロードした イメージサイズ †約 3.1GB あります。 $ ls -al 2015-05-05-raspbian-wheezy.img -rw-r--r-- 1 beat beat 3276800000 5月 7 01:00 2015-05-05-raspbian-wheezy.img debian version †debian wheezy (7.x) と互換で version は 7.8 です。 pi@raspberrypi ~ $ cat /etc/debian_version 7.8 kernel †初期状態の kernel は 3.18.11 です。 pi@raspberrypi ~ $ uname -a Linux raspberrypi 3.18.11-v7+ #781 SMP PREEMPT Tue Apr 21 18:07:59 BST 2015 armv7l GNU/Linux kernel は linaro の cross toolchain gcc 4.8.3 を使って x86 上でビルドされています。 pi@raspberrypi ~ $ cat /proc/version Linux version 3.18.11-v7+ (dc4@dc4-XPS13-9333) (gcc version 4.8.3 20140303 (prerelease) (crosstool-NG linaro-1.13.1+bzr2650 - Linaro GCC 2014.03) ) #781 SMP PREEMPT Tue Apr 21 18:07:59 BST 2015 gcc †default の gcc は 4.6.3 で、 armv6 vfp hardfloat 向けにビルドされています。 pi@raspberrypi ~ $ gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/arm-linux-gnueabihf/4.6/lto-wrapper Target: arm-linux-gnueabihf Configured with: ../src/configure -v --with-pkgversion='Debian 4.6.3-14+rpi1' --with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs \ --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.6 --enable-shared --enable-linker-build-id --with-system-zlib \ --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6 --libdir=/usr/lib --enable-nls \ --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin --enable-objc-gc --disable-sjlj-exceptions \ --with-arch=armv6 --with-fpu=vfp --with-float=hard --enable-checking=release --build=arm-linux-gnueabihf --host=arm-linux-gnueabihf --target=arm-linux-gnueabihf Thread model: posix gcc version 4.6.3 (Debian 4.6.3-14+rpi1) パッケージ †microSD に書き込んで起動しただけですぐに何でも出来るように大量のパッケージが最初からインストールされています。 update †2015年10月13日の時点で apt-get update & apt-get upgrade を行うと以下のパッケージが更新されますが、 pi@raspberrypi ~ $ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done The following packages have been kept back: nuscratch The following packages will be upgraded: bind9-host cups-bsd cups-client cups-common firmware-realtek fuse ghostscript libbind9-80 libcups2 libcupsimage2 libdns88 libexpat1 libfuse2 libgs9 libgs9-common libicu48 libisc84 libisccc80 libisccfg82 liblcms1 liblwres80 libmp3lame0 libnss3 libraspberrypi-bin libraspberrypi-dev libraspberrypi-doc libraspberrypi0 libsdl1.2debian libsqlite3-0 libssl1.0.0 omxplayer openssl raspberrypi-bootloader raspi-config rpcbind sonic-pi sudo tzdata unzip 39 upgraded, 0 newly installed, 0 to remove and 1 not upgraded. Need to get 127 MB of archives. After this operation, 8,692 kB of additional disk space will be used. Do you want to continue [Y/n]? rpi-update を実行すると以下のように kernel は 4.1.10 に更新されますが、 pi@raspberrypi ~ $ sudo rpi-update
*** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS and Dom
*** Performing self-update
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 10206 100 10206 0 0 61102 0 --:--:-- --:--:-- --:--:-- 100k
*** Relaunching after update
*** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS and Dom
*** We're running for the first time
*** Backing up files (this will take a few minutes)
*** Backing up firmware
*** Backing up modules 3.18.11-v7+
#############################################################
This update bumps to rpi-4.1.y linux tree
Be aware there could be compatibility issues with some drivers
Discussion here:
https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=113753
##############################################################
*** Downloading specific firmware revision (this will take a few minutes)
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 168 0 168 0 0 203 0 --:--:-- --:--:-- --:--:-- 266
100 48.2M 100 48.2M 0 0 1171k 0 0:00:42 0:00:42 --:--:-- 1008k
*** Updating firmware
*** Updating kernel modules
*** depmod 4.1.10+
*** depmod 4.1.10-v7+
*** Updating VideoCore libraries
*** Using HardFP libraries
*** Updating SDK
*** Running ldconfig
*** Storing current firmware revision
*** Deleting downloaded files
*** Syncing changes to disk
*** If no errors appeared, your firmware was successfully updated to 260bc9c7589b3359485fc02fed8f56d4c5eaad9a
*** A reboot is needed to activate the new firmware
2015-05-05-raspbian-wheezy.img 書き込み直後の 3.18.11 kernel で起動している状態で rpi-update を実行すると、 pi@raspberrypi ~ $ ls /lib/modules 3.18.11+ 3.18.11-v7+ 4.1.10+ 4.1.10-v7+ v7 の付いている方が ARMv7 アーキテクチャーの Raspberry Pi 2 用です。 pi@raspberrypi ~ $ ls /lib/modules 4.1.7+ 4.1.7-v7+ 4.1.10+ 4.1.10-v7+ 3系 kernel でないと困る場合があるなど、何かの都合で以前の状態に戻す必要がある場合には 更新履歴 †2015/10/15 初稿掲載 Satoshi OTSUKA
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