RaspberryPi 2のアップデート

久しぶりにRaspberryPi 2を引っ張りだしてきた。
アップデートにはrpi-updateコマンドを実行する。


```
pi@raspberrypi:~$ sudo rpi-update
 *** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS and Dom
 *** Performing self-update
 *** Relaunching after update
 *** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS and Dom
#############################################################
WARNING: This update bumps to rpi-4.14.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=197689
##############################################################
Would you like to proceed? (y/N)
 *** 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    264      0 --:--:-- --:--:-- --:--:--   264
100 55.3M  100 55.3M    0     0  1037k      0  0:00:54  0:00:54 --:--:--  298k
 *** Updating firmware
 *** Updating kernel modules
 *** depmod 4.14.24-v7+
 *** depmod 4.14.24+
 *** 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 2659c9e87b574b3b05eacef80961c404ed0f0ce3
 *** A reboot is needed to activate the new firmware
pi@raspberrypi:~$ 
```

rebootしたときのブートログ

```
[    0.000000] Booting Linux on physical CPU 0xf00
[    0.000000] Linux version 4.14.24-v7+ (dc4@dc4-XPS13-9333) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1097 SMP Mon Mar 5 16:42:05 GMT 2018
[    0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d
[    0.000000] CPU: div instructions available: patching division code
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] OF: fdt: Machine model: Raspberry Pi 2 Model B Rev 1.1
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] cma: Reserved 8 MiB at 0x3ac00000
[    0.000000] On node 0 totalpages: 242688
[    0.000000] free_area_init_node: node 0, pgdat 80c7e800, node_mem_map ba3a1000
[    0.000000]   Normal zone: 2133 pages used for memmap
[    0.000000]   Normal zone: 0 pages reserved
[    0.000000]   Normal zone: 242688 pages, LIFO batch:31
[    0.000000] random: fast init done
[    0.000000] percpu: Embedded 17 pages/cpu @ba34b000 s38720 r8192 d22720 u69632
[    0.000000] pcpu-alloc: s38720 r8192 d22720 u69632 alloc=17*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 240555
[    0.000000] Kernel command line: bcm2708_fb.fbwidth=656 bcm2708_fb.fbheight=416 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000  dwc_otg.lpm_enable=0 console=ttyAMA0,115200 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait
[    0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[    0.000000] Memory: 940268K/970752K available (7168K kernel code, 548K rwdata, 2028K rodata, 1024K init, 706K bss, 22292K reserved, 8192K cma-reserved)
[    0.000000] Virtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
    vmalloc : 0xbb800000 - 0xff800000   (1088 MB)
    lowmem  : 0x80000000 - 0xbb400000   ( 948 MB)
    modules : 0x7f000000 - 0x80000000   (  16 MB)
      .text : 0x80008000 - 0x80800000   (8160 kB)
      .init : 0x80b00000 - 0x80c00000   (1024 kB)
      .data : 0x80c00000 - 0x80c89244   ( 549 kB)
       .bss : 0x80c90ed4 - 0x80d417b4   ( 707 kB)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[    0.000000] ftrace: allocating 24646 entries in 73 pages
[    0.000000] Hierarchical RCU implementation.
[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[    0.000000] arch_timer: cp15 timer(s) running at 19.20MHz (phys).
[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns
[    0.000009] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns
[    0.000030] Switching to timer-based delay loop, resolution 52ns
[    0.000342] Console: colour dummy device 80x30
[    0.000383] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.40 BogoMIPS (lpj=192000)
[    0.000406] pid_max: default: 32768 minimum: 301
[    0.000805] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.000832] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.002026] Disabling memory control group subsystem
[    0.002174] CPU: Testing write buffer coherency: ok
[    0.002761] CPU0: update cpu_capacity 1024
[    0.002782] CPU0: thread -1, cpu 0, socket 15, mpidr 80000f00
[    0.003380] Setting up static identity map for 0x100000 - 0x10003c
[    0.003567] Hierarchical SRCU implementation.
[    0.004527] smp: Bringing up secondary CPUs ...
[    0.005462] CPU1: update cpu_capacity 1024
[    0.005473] CPU1: thread -1, cpu 1, socket 15, mpidr 80000f01
[    0.006525] CPU2: update cpu_capacity 1024
[    0.006534] CPU2: thread -1, cpu 2, socket 15, mpidr 80000f02
[    0.007558] CPU3: update cpu_capacity 1024
[    0.007567] CPU3: thread -1, cpu 3, socket 15, mpidr 80000f03
[    0.007707] smp: Brought up 1 node, 4 CPUs
[    0.007754] SMP: Total of 4 processors activated (153.60 BogoMIPS).
[    0.007765] CPU: All CPU(s) started in HYP mode.
[    0.007775] CPU: Virtualization extensions available.
[    0.008959] devtmpfs: initialized
[    0.021906] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5
[    0.022269] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.022300] futex hash table entries: 1024 (order: 4, 65536 bytes)
[    0.023118] pinctrl core: initialized pinctrl subsystem
[    0.024217] NET: Registered protocol family 16
[    0.027294] DMA: preallocated 1024 KiB pool for atomic coherent allocations
[    0.033400] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[    0.033423] hw-breakpoint: maximum watchpoint size is 8 bytes.
[    0.033683] Serial: AMBA PL011 UART driver
[    0.035909] bcm2835-mbox 3f00b880.mailbox: mailbox enabled
[    0.077069] bcm2835-dma 3f007000.dma: DMA legacy API manager at bb80d000, dmachans=0x1
[    0.078982] SCSI subsystem initialized
[    0.079186] usbcore: registered new interface driver usbfs
[    0.079265] usbcore: registered new interface driver hub
[    0.079410] usbcore: registered new device driver usb
[    0.080205] raspberrypi-firmware soc:firmware: Attached to firmware from 2018-03-05 16:45
[    0.081826] clocksource: Switched to clocksource arch_sys_counter
[    0.167526] VFS: Disk quotas dquot_6.6.0
[    0.167652] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    0.167939] FS-Cache: Loaded
[    0.168245] CacheFiles: Loaded
[    0.180737] NET: Registered protocol family 2
[    0.181715] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
[    0.182096] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[    0.182292] TCP: Hash tables configured (established 8192 bind 8192)
[    0.182489] UDP hash table entries: 512 (order: 2, 16384 bytes)
[    0.182557] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[    0.182902] NET: Registered protocol family 1
[    0.183614] RPC: Registered named UNIX socket transport module.
[    0.183632] RPC: Registered udp transport module.
[    0.183642] RPC: Registered tcp transport module.
[    0.183653] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.185424] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 5 counters available
[    0.189357] workingset: timestamp_bits=14 max_order=18 bucket_order=4
[    0.199929] FS-Cache: Netfs 'nfs' registered for caching
[    0.200865] NFS: Registering the id_resolver key type
[    0.200918] Key type id_resolver registered
[    0.200930] Key type id_legacy registered
[    0.203714] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[    0.203918] io scheduler noop registered
[    0.203935] io scheduler deadline registered (default)
[    0.204313] io scheduler cfq registered
[    0.204329] io scheduler mq-deadline registered
[    0.204342] io scheduler kyber registered
[    0.206606] BCM2708FB: allocated DMA memory fad00000
[    0.206659] BCM2708FB: allocated DMA channel 0 @ bb80d000
[    0.216173] Console: switching to colour frame buffer device 82x26
[    0.223526] bcm2835-rng 3f104000.rng: hwrng registered
[    0.223688] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB)
[    0.224329] vc-sm: Videocore shared memory driver
[    0.224729] gpiomem-bcm2835 3f200000.gpiomem: Initialised: Registers at 0x3f200000
[    0.238880] brd: module loaded
[    0.250832] loop: module loaded
[    0.250861] Loading iSCSI transport class v2.0-870.
[    0.251608] usbcore: registered new interface driver smsc95xx
[    0.251639] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[    0.480037] Core Release: 2.80a
[    0.480059] Setting default values for core params
[    0.480105] Finished setting default values for core params
[    0.680424] Using Buffer DMA mode
[    0.680440] Periodic Transfer Interrupt Enhancement - disabled
[    0.680450] Multiprocessor Interrupt Enhancement - disabled
[    0.680462] OTG VER PARAM: 0, OTG VER FLAG: 0
[    0.680491] Dedicated Tx FIFOs mode
[    0.681108] WARN::dwc_otg_hcd_init:1046: FIQ DMA bounce buffers: virt = 0xbad14000 dma = 0xfad14000 len=9024
[    0.681146] FIQ FSM acceleration enabled for :
Non-periodic Split Transactions
Periodic Split Transactions
High-Speed Isochronous Endpoints
Interrupt/Control Split Transaction hack enabled
[    0.681174] dwc_otg: Microframe scheduler enabled
[    0.681254] WARN::hcd_init_fiq:459: FIQ on core 1 at 0x805c68fc
[    0.681274] WARN::hcd_init_fiq:460: FIQ ASM at 0x805c6c64 length 36
[    0.681295] WARN::hcd_init_fiq:486: MPHI regs_base at 0xbb878000
[    0.681377] dwc_otg 3f980000.usb: DWC OTG Controller
[    0.681428] dwc_otg 3f980000.usb: new USB bus registered, assigned bus number 1
[    0.681484] dwc_otg 3f980000.usb: irq 62, io mem 0x00000000
[    0.681540] Init: Port Power? op_state=1
[    0.681551] Init: Power Port (0)
[    0.681904] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[    0.681925] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    0.681940] usb usb1: Product: DWC OTG Controller
[    0.681955] usb usb1: Manufacturer: Linux 4.14.24-v7+ dwc_otg_hcd
[    0.681970] usb usb1: SerialNumber: 3f980000.usb
[    0.682811] hub 1-0:1.0: USB hub found
[    0.682892] hub 1-0:1.0: 1 port detected
[    0.683593] dwc_otg: FIQ enabled
[    0.683600] dwc_otg: NAK holdoff enabled
[    0.683606] dwc_otg: FIQ split-transaction FSM enabled
[    0.683620] Module dwc_common_port init
[    0.683964] usbcore: registered new interface driver usb-storage
[    0.684264] mousedev: PS/2 mouse device common for all mice
[    0.684357] IR NEC protocol handler initialized
[    0.684369] IR RC5(x/sz) protocol handler initialized
[    0.684379] IR RC6 protocol handler initialized
[    0.684390] IR JVC protocol handler initialized
[    0.684400] IR Sony protocol handler initialized
[    0.684411] IR SANYO protocol handler initialized
[    0.684421] IR Sharp protocol handler initialized
[    0.684431] IR MCE Keyboard/mouse protocol handler initialized
[    0.684441] IR XMP protocol handler initialized
[    0.685375] bcm2835-wdt 3f100000.watchdog: Broadcom BCM2835 watchdog timer
[    0.685727] bcm2835-cpufreq: min=600000 max=900000
[    0.686192] sdhci: Secure Digital Host Controller Interface driver
[    0.686206] sdhci: Copyright(c) Pierre Ossman
[    0.686647] sdhost-bcm2835 3f202000.mmc: could not get clk, deferring probe
[    0.686782] sdhci-pltfm: SDHCI platform and OF driver helper
[    0.687489] ledtrig-cpu: registered to indicate activity on CPUs
[    0.687655] hidraw: raw HID events driver (C) Jiri Kosina
[    0.687875] usbcore: registered new interface driver usbhid
[    0.687887] usbhid: USB HID core driver
[    0.688641] vchiq: vchiq_init_state: slot_zero = bad80000, is_master = 0
[    0.690378] [vc_sm_connected_init]: start
[    0.699176] [vc_sm_connected_init]: end - returning 0
[    0.699940] Initializing XFRM netlink socket
[    0.699981] NET: Registered protocol family 17
[    0.700120] Key type dns_resolver registered
[    0.700490] Registering SWP/SWPB emulation handler
[    0.701372] registered taskstats version 1
[    0.708820] uart-pl011 3f201000.serial: cts_event_workaround enabled
[    0.708932] 3f201000.serial: ttyAMA0 at MMIO 0x3f201000 (irq = 87, base_baud = 0) is a PL011 rev2
[    1.692283] console [ttyAMA0] enabled
[    1.698661] sdhost: log_buf @ bad13000 (fad13000)
[    1.781865] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1)
[    1.788714] of_cfs_init
[    1.791363] of_cfs_init: OK
[    1.794774] uart-pl011 3f201000.serial: no DMA platform data
[    1.800799] Waiting for root device /dev/mmcblk0p2...
[    1.807839] Indeed it is in host mode hprt0 = 00021501
[    1.919510] mmc0: host does not support reading read-only switch, assuming write-enable
[    1.929687] mmc0: new high speed SDHC card at address 1234
[    1.936000] mmcblk0: mmc0:1234 SA08G 7.29 GiB
[    1.942697]  mmcblk0: p1 p2
[    1.990121] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[    1.998386] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[    2.016558] devtmpfs: mounted
[    2.021889] usb 1-1: new high-speed USB device number 2 using dwc_otg
[    2.028690] Indeed it is in host mode hprt0 = 00001101
[    2.030434] Freeing unused kernel memory: 1024K
[    2.151969] Under-voltage detected! (0x00050005)
[    2.272256] usb 1-1: New USB device found, idVendor=0424, idProduct=9514
[    2.278990] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[    2.287100] hub 1-1:1.0: USB hub found
[    2.290985] hub 1-1:1.0: 5 ports detected
[    2.478268] systemd[1]: systemd 215 running in system mode. (+PAM +AUDIT +SELINUX +IMA +SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ -SECCOMP -APPARMOR)
[    2.492350] systemd[1]: Detected architecture 'arm'.
[    2.611889] usb 1-1.1: new high-speed USB device number 3 using dwc_otg
[    2.684255] NET: Registered protocol family 10
[    2.690365] Segment Routing with IPv6
[    2.694328] systemd[1]: Inserted module 'ipv6'
[    2.712449] systemd[1]: Set hostname to <raspberrypi>.
[    2.742302] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00
[    2.749203] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[    2.759543] smsc95xx v1.0.6
[    2.866572] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:b0:47:7e
[    3.507770] systemd[1]: Starting Forward Password Requests to Wall Directory Watch.
[    3.516213] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[    3.523986] systemd[1]: Expecting device dev-ttyAMA0.device...
[    3.562112] systemd[1]: Starting Remote File Systems (Pre).
[    3.601978] systemd[1]: Reached target Remote File Systems (Pre).
[    3.608348] systemd[1]: Starting Arbitrary Executable File Formats File System Automount Point.
[    4.294955] fuse init (API version 7.26)
[    4.426805] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[    4.467498] i2c /dev entries driver
[    4.921953] systemd-udevd[119]: starting version 215
[    5.852301] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[    5.975658] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
[    5.976358] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[    6.945631] systemd-journald[103]: Received request to flush runtime journal from PID 1
[    7.587565] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1
[    7.590092] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[    8.413366] Adding 102396k swap on /var/swap.  Priority:-2 extents:5 across:573436k SSFS
[   24.669518] random: crng init done
```

このあとに、sudo apt update; sudo apt upgrade をしてみたけど、ダウンロード速度が 150kB/s 程度しか出なくてすごく時間がかかる。
rootfs がjessie のままだからのようだ。
最新版のRaspbianではstretchに移行している。

## 追記
jessieは止めて、以下のサイトからRaspbian Stretch Liteをダウンロードして、SDカードに書いた。

https://www.raspberrypi.org/downloads/raspbian/