Jon
thanks for testing. It is my RPi2 dmesg:
root@box:/home/tc# dmesg
[ 0.000000] Booting Linux on physical CPU 0xf00
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 4.1.19-piCore_v7+ (root@beta.hasix.org) (gcc version 4.9.1 (crosstool-NG 1.20.0) ) #1 SMP PREEMPT Wed Mar 9 16:22:48 CET 2016
[ 0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] Machine model: Raspberry Pi 2 Model B Rev 1.1
[ 0.000000] cma: Reserved 8 MiB at 0x3a000000
[ 0.000000] Memory policy: Data cache writealloc
[ 0.000000] On node 0 totalpages: 241664
[ 0.000000] free_area_init_node: node 0, pgdat 80889880, node_mem_map b97b4000
[ 0.000000] Normal zone: 2124 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 241664 pages, LIFO batch:31
[ 0.000000] [bcm2709_smp_init_cpus] enter (9420->f3003010)
[ 0.000000] [bcm2709_smp_init_cpus] ncores=4
[ 0.000000] PERCPU: Embedded 13 pages/cpu @bab7c000 s20672 r8192 d24384 u53248
[ 0.000000] pcpu-alloc: s20672 r8192 d24384 u53248 alloc=13*4096
[ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 239540
[ 0.000000] Kernel command line: dma.dmachans=0x7f35 bcm2708_fb.fbwidth=656 bcm2708_fb.fbheight=416 bcm2709.boardrev=0xa01041 bcm2709.serial=0x8e976f0e smsc95xx.macaddr=B8:27:EB:97:6F:0E bcm2708_fb.fbswap=1 bcm2709.uart_clock=3000000 bcm2709.disk_led_gpio=47 bcm2709.disk_led_active_low=0 vc_mem.mem_base=0x3dc00000 vc_mem.mem_size=0x3f000000 dwc_otg.lpm_enable=0 console=ttyAMA0,115200 console=tty1 root=/dev/ram0 elevator=deadline rootwait quiet nortc loglevel=3 noembed
[ 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: 935036K/966656K available (6118K kernel code, 536K rwdata, 1668K rodata, 420K init, 758K bss, 23428K reserved, 8192K cma-reserved)
[ 0.000000] Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
vmalloc : 0xbb800000 - 0xff000000 (1080 MB)
lowmem : 0x80000000 - 0xbb000000 ( 944 MB)
modules : 0x7f000000 - 0x80000000 ( 16 MB)
.text : 0x80008000 - 0x807a2ba4 (7787 kB)
.init : 0x807a3000 - 0x8080c000 ( 420 kB)
.data : 0x8080c000 - 0x808923dc ( 537 kB)
.bss : 0x80895000 - 0x8095291c ( 759 kB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] Additional per-CPU info printed with stalls.
[ 0.000000] NR_IRQS:608
[ 0.000000] Architected cp15 timer(s) running at 19.20MHz (phys).
[ 0.000000] clocksource arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns
[ 0.000010] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns
[ 0.000032] Switching to timer-based delay loop, resolution 52ns
[ 0.000325] Console: colour dummy device 80x30
[ 0.000562] console [tty1] enabled
[ 0.000599] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.40 BogoMIPS (lpj=192000)
[ 0.000626] pid_max: default: 32768 minimum: 301
[ 0.000986] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.001008] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.002283] Initializing cgroup subsys blkio
[ 0.002322] Initializing cgroup subsys memory
[ 0.002356] Initializing cgroup subsys devices
[ 0.002383] Initializing cgroup subsys freezer
[ 0.002422] Initializing cgroup subsys net_cls
[ 0.002496] CPU: Testing write buffer coherency: ok
[ 0.002576] ftrace: allocating 20577 entries in 61 pages
[ 0.053002] CPU0: update cpu_capacity 1024
[ 0.053044] CPU0: thread -1, cpu 0, socket 15, mpidr 80000f00
[ 0.053061] [bcm2709_smp_prepare_cpus] enter
[ 0.053196] Setting up static identity map for 0x8240 - 0x8274
[ 0.112854] [bcm2709_boot_secondary] cpu:1 started (0) 17
[ 0.113287] [bcm2709_secondary_init] enter cpu:1
[ 0.113344] CPU1: update cpu_capacity 1024
[ 0.113353] CPU1: thread -1, cpu 1, socket 15, mpidr 80000f01
[ 0.132842] [bcm2709_boot_secondary] cpu:2 started (0) 18
[ 0.133197] [bcm2709_secondary_init] enter cpu:2
[ 0.133232] CPU2: update cpu_capacity 1024
[ 0.133241] CPU2: thread -1, cpu 2, socket 15, mpidr 80000f02
[ 0.152884] [bcm2709_boot_secondary] cpu:3 started (0) 17
[ 0.153138] [bcm2709_secondary_init] enter cpu:3
[ 0.153169] CPU3: update cpu_capacity 1024
[ 0.153177] CPU3: thread -1, cpu 3, socket 15, mpidr 80000f03
[ 0.153274] Brought up 4 CPUs
[ 0.153305] SMP: Total of 4 processors activated (153.60 BogoMIPS).
[ 0.153316] CPU: All CPU(s) started in HYP mode.
[ 0.153325] CPU: Virtualization extensions available.
[ 0.154290] devtmpfs: initialized
[ 0.179152] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5
[ 0.179459] clocksource jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.180583] pinctrl core: initialized pinctrl subsystem
[ 0.181379] NET: Registered protocol family 16
[ 0.187174] DMA: preallocated 4096 KiB pool for atomic coherent allocations
[ 0.188387] bcm2709.uart_clock = 3000000
[ 0.194728] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[ 0.194746] hw-breakpoint: maximum watchpoint size is 8 bytes.
[ 0.194936] Serial: AMBA PL011 UART driver
[ 0.195134] 3f201000.uart: ttyAMA0 at MMIO 0x3f201000 (irq = 83, base_baud = 0) is a PL011 rev2
[ 0.195567] console [ttyAMA0] enabled
[ 0.196133] bcm2835-mbox 3f00b880.mailbox: mailbox enabled
[ 0.274483] bcm2708-dmaengine 3f007000.dma: DMA legacy API manager at f3007000, dmachans=0xf35
[ 0.274530] bcm2708-dmaengine 3f007000.dma: Initialized 7 DMA channels (+ 1 legacy)
[ 0.275266] bcm2708-dmaengine 3f007000.dma: Load BCM2835 DMA engine driver
[ 0.275285] bcm2708-dmaengine 3f007000.dma: dma_debug:0
[ 0.276071] SCSI subsystem initialized
[ 0.276320] usbcore: registered new interface driver usbfs
[ 0.276443] usbcore: registered new interface driver hub
[ 0.276602] usbcore: registered new device driver usb
[ 0.277340] raspberrypi-firmware soc:firmware: Attached to firmware from 2016-03-07 17:08
[ 0.304720] Switched to clocksource arch_sys_counter
[ 0.356784] FS-Cache: Loaded
[ 0.357182] CacheFiles: Loaded
[ 0.370587] NET: Registered protocol family 2
[ 0.371966] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.372123] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.372330] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.372456] UDP hash table entries: 512 (order: 2, 16384 bytes)
[ 0.372521] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[ 0.372878] NET: Registered protocol family 1
[ 0.373398] RPC: Registered named UNIX socket transport module.
[ 0.373416] RPC: Registered udp transport module.
[ 0.373427] RPC: Registered tcp transport module.
[ 0.373438] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.373790] Trying to unpack rootfs image as initramfs...
[ 0.822418] Freeing initrd memory: 4292K (babbf000 - baff0000)
[ 0.835704] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 5 counters available
[ 0.837188] futex hash table entries: 1024 (order: 4, 65536 bytes)
[ 0.852857] zpool: loaded
[ 0.853385] VFS: Disk quotas dquot_6.6.0
[ 0.853767] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.856269] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.856882] FS-Cache: Netfs 'nfs' registered for caching
[ 0.858109] NFS: Registering the id_resolver key type
[ 0.858193] Key type id_resolver registered
[ 0.858207] Key type id_legacy registered
[ 0.861582] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
[ 0.861781] io scheduler noop registered
[ 0.861805] io scheduler deadline registered (default)
[ 0.862153] io scheduler cfq registered
[ 0.865270] BCM2708FB: allocated DMA memory fa400000
[ 0.865319] BCM2708FB: allocated DMA channel 0 @ f3007000
[ 0.870984] Console: switching to colour frame buffer device 82x26
[ 0.874564] Serial: 8250/16550 driver, 0 ports, IRQ sharing disabled
[ 0.875991] vc-cma: Videocore CMA driver
[ 0.876008] vc-cma: vc_cma_base = 0x00000000
[ 0.876020] vc-cma: vc_cma_size = 0x00000000 (0 MiB)
[ 0.876031] vc-cma: vc_cma_initial = 0x00000000 (0 MiB)
[ 0.876284] vc-mem: phys_addr:0x00000000 mem_base=0x3dc00000 mem_size:0x3f000000(1008 MiB)
[ 0.892518] brd: module loaded
[ 0.901602] loop: module loaded
[ 0.902510] zram: Created 1 device(s)
[ 0.903570] vchiq: vchiq_init_state: slot_zero = 0xba480000, is_master = 0
[ 0.905397] Loading iSCSI transport class v2.0-870.
[ 0.906339] usbcore: registered new interface driver smsc95xx
[ 0.906422] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[ 1.106827] Core Release: 2.80a
[ 1.106849] Setting default values for core params
[ 1.106899] Finished setting default values for core params
[ 1.307312] Using Buffer DMA mode
[ 1.307327] Periodic Transfer Interrupt Enhancement - disabled
[ 1.307338] Multiprocessor Interrupt Enhancement - disabled
[ 1.307350] OTG VER PARAM: 0, OTG VER FLAG: 0
[ 1.307367] Dedicated Tx FIFOs mode
[ 1.307740] WARN::dwc_otg_hcd_init:1047: FIQ DMA bounce buffers: virt = 0xba414000 dma = 0xfa414000 len=9024
[ 1.307779] FIQ FSM acceleration enabled for :
Non-periodic Split Transactions
Periodic Split Transactions
High-Speed Isochronous Endpoints
[ 1.307804] dwc_otg: Microframe scheduler enabled
[ 1.307875] WARN::hcd_init_fiq:412: FIQ on core 1 at 0x80424ce0
[ 1.307895] WARN::hcd_init_fiq:413: FIQ ASM at 0x80425058 length 36
[ 1.307915] WARN::hcd_init_fiq:438: MPHI regs_base at 0xbb8a8000
[ 1.307966] dwc_otg 3f980000.usb: DWC OTG Controller
[ 1.308019] dwc_otg 3f980000.usb: new USB bus registered, assigned bus number 1
[ 1.308066] dwc_otg 3f980000.usb: irq 32, io mem 0x00000000
[ 1.308121] Init: Port Power? op_state=1
[ 1.308132] Init: Power Port (0)
[ 1.308461] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.308482] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.308499] usb usb1: Product: DWC OTG Controller
[ 1.308516] usb usb1: Manufacturer: Linux 4.1.19-piCore_v7+ dwc_otg_hcd
[ 1.308532] usb usb1: SerialNumber: 3f980000.usb
[ 1.309449] hub 1-0:1.0: USB hub found
[ 1.309519] hub 1-0:1.0: 1 port detected
[ 1.310041] dwc_otg: FIQ enabled
[ 1.310055] dwc_otg: NAK holdoff enabled
[ 1.310066] dwc_otg: FIQ split-transaction FSM enabled
[ 1.310107] Module dwc_common_port init
[ 1.310472] usbcore: registered new interface driver usb-storage
[ 1.310755] mousedev: PS/2 mouse device common for all mice
[ 1.311697] bcm2835-cpufreq: min=600000 max=900000
[ 1.314297] sdhci: Secure Digital Host Controller Interface driver
[ 1.314306] sdhci: Copyright(c) Pierre Ossman
[ 1.314558] sdhost: log_buf @ ba413000 (fa413000)
[ 1.414808] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1)
[ 1.415016] sdhci-pltfm: SDHCI platform and OF driver helper
[ 1.415429] ledtrig-cpu: registered to indicate activity on CPUs
[ 1.415589] hidraw: raw HID events driver (C) Jiri Kosina
[ 1.415772] usbcore: registered new interface driver usbhid
[ 1.415780] usbhid: USB HID core driver
[ 1.416109] Initializing XFRM netlink socket
[ 1.416154] NET: Registered protocol family 17
[ 1.416315] Key type dns_resolver registered
[ 1.416663] Registering SWP/SWPB emulation handler
[ 1.417367] registered taskstats version 1
[ 1.448025] Key type encrypted registered
[ 1.448139] vc-sm: Videocore shared memory driver
[ 1.448154] [vc_sm_connected_init]: start
[ 1.448740] [vc_sm_connected_init]: end - returning 0
[ 1.450153] Freeing unused kernel memory: 420K (807a3000 - 8080c000)
[ 1.492947] mmc0: host does not support reading read-only switch, assuming write-enable
[ 1.495961] mmc0: new high speed SDHC card at address e624
[ 1.496476] mmcblk0: mmc0:e624 SL08G 7.40 GiB
[ 1.497694] mmcblk0: p1 p2 p3
[ 1.504876] Indeed it is in host mode hprt0 = 00021501
[ 1.684832] usb 1-1: new high-speed USB device number 2 using dwc_otg
[ 1.685160] Indeed it is in host mode hprt0 = 00001101
[ 1.885164] usb 1-1: New USB device found, idVendor=0424, idProduct=9514
[ 1.885190] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1.885880] hub 1-1:1.0: USB hub found
[ 1.886000] hub 1-1:1.0: 5 ports detected
[ 2.168863] usb 1-1.1: new high-speed USB device number 3 using dwc_otg
[ 2.265771] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00
[ 2.265816] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 2.269667] smsc95xx v1.0.4
[ 2.302300] zram0: detected capacity change from 0 to 234434560
[ 2.312672] random: mkswap urandom read with 60 bits of entropy available
[ 2.324266] Adding 228936k swap on /dev/zram0. Priority:-1 extents:1 across:228936k SSFS
[ 2.333628] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:97:6f:0e
[ 2.424908] usb 1-1.3: new low-speed USB device number 4 using dwc_otg
[ 2.531560] usb 1-1.3: New USB device found, idVendor=046d, idProduct=c019
[ 2.531612] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 2.531633] usb 1-1.3: Product: USB Optical Mouse
[ 2.531650] usb 1-1.3: Manufacturer: Logitech
[ 2.545825] input: Logitech USB Optical Mouse as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.3/1-1.3:1.0/0003:046D:C019.0001/input/input0
[ 2.547063] hid-generic 0003:046D:C019.0001: input,hidraw0: USB HID v1.11 Mouse [Logitech USB Optical Mouse] on usb-3f980000.usb-1.3/input0
[ 2.624993] usb 1-1.4: new high-speed USB device number 5 using dwc_otg
[ 2.728196] usb 1-1.4: New USB device found, idVendor=0951, idProduct=1607
[ 2.728266] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 2.728298] usb 1-1.4: Product: DataTraveler 2.0
[ 2.728327] usb 1-1.4: Manufacturer: Kingston
[ 2.728365] usb 1-1.4: SerialNumber: 2008012500000000000001E5
[ 2.730423] usb-storage 1-1.4:1.0: USB Mass Storage device detected
[ 2.731478] scsi host0: usb-storage 1-1.4:1.0
[ 3.041816] bcm2835-rng 3f104000.rng: hwrng registered
[ 3.044653] gpiomem-bcm2835 3f200000.gpiomem: Initialised: Registers at 0x3f200000
[ 3.045526] bcm2708_i2c 3f205000.i2c: BSC0 Controller at 0x3f205000 (irq 79) (baudrate 100000)
[ 3.046117] bcm2708_i2c 3f804000.i2c: BSC1 Controller at 0x3f804000 (irq 79) (baudrate 100000)
[ 3.049383] spi spi0.0: setting up native-CS0 as GPIO 8
[ 3.050080] spi spi0.1: setting up native-CS1 as GPIO 7
[ 3.276170] Adding 1435644k swap on /dev/mmcblk0p3. Priority:-2 extents:1 across:1435644k SSFS
[ 3.550700] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[ 3.672392] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[ 3.725852] scsi 0:0:0:0: Direct-Access Kingston DataTraveler 2.0 1.00 PQ: 0 ANSI: 2
[ 3.729638] sd 0:0:0:0: [sda] 7888896 512-byte logical blocks: (4.04 GB/3.76 GiB)
[ 3.730196] sd 0:0:0:0: [sda] Write Protect is off
[ 3.730224] sd 0:0:0:0: [sda] Mode Sense: 23 00 00 00
[ 3.730769] sd 0:0:0:0: [sda] No Caching mode page found
[ 3.730799] sd 0:0:0:0: [sda] Assuming drive cache: write through
[ 3.857174] sda: sda1
[ 3.865282] sd 0:0:0:0: [sda] Attached SCSI removable disk
[ 7.942041] random: nonblocking pool is initialized
[ 46.911251] uart-pl011 3f201000.uart: no DMA platform data
[ 46.911679] i2c /dev entries driver
[ 47.017170] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
[ 48.565641] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
and lsmod:
root@box:/home/tc# lsmod
Module Size Used by Not tainted
i2c_dev 6020 0
snd_soc_bcm2708_i2s 6728 0
snd_soc_core 133519 1 snd_soc_bcm2708_i2s
snd_pcm_dmaengine 3303 1 snd_soc_core
snd_pcm 75313 2 snd_soc_core,snd_pcm_dmaengine
snd_timer 18790 1 snd_pcm
snd_compress 7777 1 snd_soc_core
snd 52662 4 snd_soc_core,snd_pcm,snd_timer,snd_compress
regmap_mmio 2969 1 snd_soc_bcm2708_i2s
evdev 10230 1
spi_bcm2835 7252 0
i2c_bcm2708 5002 0
bcm2835_gpiomem 3023 0
bcm2835_rng 1816 0
uio_pdrv_genirq 2966 0
uio 8340 1 uio_pdrv_genirq
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