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Toradex T20 - nvidia tegra

tomasz3dk 17 Kwi 2012 16:57 1998 2
  • #1 17 Kwi 2012 16:57
    tomasz3dk
    Poziom 11  

    Otóż mam w robocie taki moduł jak w tytule dokładny opis jest tu: http://toradex.com/Products/Colibri/Modules/Colibri-T20-512-v1.1c Zadaniem moim jest tam uruchomienie jednej aplikacji przy użyciu qt-embedded, która kożysta z framebuffora, lecz przy jej odpalaniu niestety wywala komunikat

    Code:
    QScreenLinuxFb::connect: Urządzenie lub zasoby zajęte
    
    Error opening framebuffer device /dev/fb0

    Problem występuje zarówno na dystrybucji dostarczonej przez toradexa ( ich kernel (2.6.36.2) i ich rootfs oparty na dystrybucji angstrom), jak i na ich kernelu i gentoo dla arm.
    W przypadku kompilacji kernela i odznaczenia opcji Framebuffer Console support, nie jest on zgłaszany, ale aplikacja nie jest wyświetlana.
    Niestety kompilacja nowszych kerneli raczej nie wchodzi w rachubę, gdyż dodatkowo standardowy kernel jest patchowany źródłami od toradexa, których nie ma dostępnych.
    Jakby ktoś miał jakieś sugestie jak można ten problem rozwiązać, to będę bardzo wdzięczny ;).
    Pozdro

    0 2
  • #2 28 Kwi 2012 16:29
    koodpl
    Poziom 11  

    Sprawdzałeś syslog? zarówno inicjalizacje framebuffera i gdy ładujesz aplikacje?

    0
  • #3 01 Maj 2012 21:59
    tomasz3dk
    Poziom 11  

    Z tego co pamiętam, to przy inicjalizacji framebuffora w przypadku zaznaczonej opcji w kernelu o której pisałem wcześniej też krzyczał ten sam błąd, na razie nie jestem w stanie więcej podać gdyż z racji długiego weekendu urlopuję się cały tydzień.

    Edytka:
    Na stronie toradexa jest nowszy kernel do tego modułu niestety dalej występuje ten sam błąd.
    Dodatkowo sprawdziłem, że przy starcie kernela juz na starcie wywala ten sam błąd. Załączam log ze startu kernela

    Code:
    Starting kernel ...
    

    \0xb5\0xb7\0xcc\0xcb\0xe1\0xb2\0xa9\0xceW\0xeb\0xdd\0x80\0xa6:K\0xe1\0x8e\0x97\0xcb\0x80\0xb2\0xeb\0xc5\0x8c\0x90q\0xeb\0xe1\0xa9\0xb7\0x16\0x09\0xc1\0xa5\0x90MV\0xd9\0xa5\0xb6\0xd9\0xa4\0xfe[    0.000000] Initializing cgroup subsys cpu
    [    0.000000] Linux version 2.6.36.2 (root@drazekt) (gcc version 4.4.1 (Sourcery G++ Lite 2009q3-67) ) #3 SMP PREEMPT Mon May 21 11:37:04 CEST 2012
    [    0.000000] CPU: ARMv7 Processor [411fc090] revision 0 (ARMv7), cr=10c53c7f
    [    0.000000] CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
    [    0.000000] Machine: Toradex Colibri T20
    [    0.000000] Memory policy: ECC disabled, Data cache writealloc
    [    0.000000] PERCPU: Embedded 7 pages/cpu @809d9000 s5504 r8192 d14976 u65536
    [    0.000000] pcpu-alloc: s5504 r8192 d14976 u65536 alloc=16*4096
    [    0.000000] pcpu-alloc: [0] 0 [0] 1
    [    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 94488
    [    0.000000] Kernel command line: video=tegrafb vmalloc=248M ip=off root=/dev/mtdblock0 rw rootfstype=yaffs2 mtdparts=tegra_nand:1018368K@28160K(userspace) asix_mac=<NULL> console=ttyS0,115200n8 mem=372M@0M fbmem=12M@372M nvmem=128M@384M
    [    0.000000] Found fbmem: 00c00000@17400000
    [    0.000000] Found nvmem: 08000000@18000000
    [    0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes)
    [    0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
    [    0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
    [    0.000000] Memory: 372MB = 372MB total
    [    0.000000] Memory: 370384k/370384k available, 10544k reserved, 0K highmem
    [    0.000000] Virtual kernel memory layout:
    [    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)




    [    0.000000]     fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
    [    0.000000]     DMA     : 0xff000000 - 0xffe00000   (  14 MB)
    [    0.000000]     vmalloc : 0x97800000 - 0xf8000000   (1544 MB)
    [    0.000000]     lowmem  : 0x80000000 - 0x97400000   ( 372 MB)
    [    0.000000]     pkmap   : 0x7fe00000 - 0x80000000   (   2 MB)
    [    0.000000]     modules : 0x7f000000 - 0x7fe00000   (  14 MB)
    [    0.000000]       .init : 0x80008000 - 0x80033000   ( 172 kB)
    [    0.000000]       .text : 0x80033000 - 0x80613000   (6016 kB)
    [    0.000000]       .data : 0x8063e000 - 0x8068dea0   ( 320 kB)
    [    0.000000] Hierarchical RCU implementation.
    [    0.000000] \0x09RCU-based detection of stalled CPUs is disabled.
    [    0.000000] \0x09Verbose stalled-CPUs detection is disabled.
    [    0.000000] NR_IRQS:704
    [    0.000000] Console: colour dummy device 80x30
    [    3.952221] Calibrating delay loop... 1992.29 BogoMIPS (lpj=9961472)
    [    4.222062] pid_max: default: 32768 minimum: 301
    [    4.222277] Mount-cache hash table entries: 512
    [    4.222647] Initializing cgroup subsys debug
    [    4.222660] Initializing cgroup subsys cpuacct
    [    4.222675] Initializing cgroup subsys freezer
    [    4.222708] CPU: Testing write buffer coherency: ok
    [    4.222870] Calibrating local timer... 249.87MHz, setting to 2.50MHz.
    [    4.312233] CPU1: Booted secondary processor
    [    4.582152] Brought up 2 CPUs
    [    4.582165] SMP: Total of 2 processors activated (3991.14 BogoMIPS).
    [    4.585145] regulator: core version 0.5
    [    4.585246] regulator: dummy:
    [    4.585403] NET: Registered protocol family 16
    [    4.585925] host1x bus init
    [    4.586205] Tegra Chip SKU: 8 Rev: A03 CPU Process: 0 Core Process: 1 Speedo ID: 1
    [    4.587578] Unable to set clock hclk to rate 133200000: -22
    [    4.587598] Unable to set clock pclk to rate 66600000: -22
    [    4.587918] tegra_dvfs: rate 721500000 too high for dvfs on emc
    [    4.587925] Unable to enable clock emc: -22
    [    4.588176] Suspend mode LP0 requested, but missing lp0_vec
    [    4.588184] Disabling LP0
    [    4.588891] Unable to set clock audio to rate 24576000: -38
    [    4.588906] Unable to set clock audio_2x to rate 49152000: -22
    [    4.588965] Unable to set clock dsi to rate 594000000: -22
    [    4.589000] Unable to set clock hclk to rate 240000000: -22
    [    4.589125] Unable to set clock pclk to rate 120000000: -22
    [    4.594331] tegra_iovmm_register: added iovmm-gart
    [    4.599649] bio: create slab <bio-0> at 0
    [    4.600229] SCSI subsystem initialized
    [    4.600565] colibri-otg colibri-otg: otg transceiver registered
    [    4.600671] usbcore: registered new interface driver usbfs
    [    4.600734] usbcore: registered new interface driver hub
    [    4.600805] usbcore: registered new device driver usb
    [    4.601553] tps6586x 4-0034: VERSIONCRC is 1b
    [    4.602978] regulator: REG-SM_0: 725 <--> 1500 mV at 1275 mV normal standby
    [    4.603538] regulator: REG-SM_1: 725 <--> 1500 mV at 1100 mV normal standby
    [    4.604357] regulator: REG-SM_2: 1700 <--> 2475 mV at 1800 mV normal standby
    [    4.604912] regulator: REG-LDO_0: 1200 <--> 3300 mV at 1200 mV normal standby
    [    4.605725] regulator: REG-LDO_1: 725 <--> 1500 mV at 1100 mV normal standby
    [    4.606290] regulator: REG-LDO_2: 725 <--> 1500 mV at 1200 mV normal standby
    [    4.606854] regulator: REG-LDO_3: 1250 <--> 3300 mV at 1800 mV normal standby
    [    4.607418] regulator: REG-LDO_4: 1700 <--> 2475 mV at 1800 mV normal standby
    [    4.607685] regulator: REG-LDO_5: 1250 <--> 3300 mV at 2850 mV normal standby
    [    4.608269] regulator: REG-LDO_6: 1250 <--> 3300 mV at 1800 mV normal standby
    [    4.608838] regulator: REG-LDO_7: 1250 <--> 3300 mV at 2850 mV normal standby
    [    4.609403] regulator: REG-LDO_8: 1250 <--> 3300 mV at 2850 mV normal standby
    [    4.609672] regulator: REG-LDO_9: 1250 <--> 3300 mV at 2850 mV normal standby
    [    4.610025] Advanced Linux Sound Architecture Driver Version 1.0.23.
    [    4.610329] Bluetooth: Core ver 2.15
    [    4.610374] NET: Registered protocol family 31
    [    4.610381] Bluetooth: HCI device and connection manager initialized
    [    4.610391] Bluetooth: HCI socket layer initialized
    [    4.610464] Switching to clocksource timer_us
    [    4.610749] tegra-nvmap tegra-nvmap: created carveout iram (256KiB)
    [    4.610796] tegra-nvmap tegra-nvmap: created carveout generic-0 (131072KiB)
    [    4.613973] NET: Registered protocol family 2
    [    4.614070] IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
    [    4.614319] TCP established hash table entries: 16384 (order: 5, 131072 bytes)
    [    4.614598] TCP bind hash table entries: 16384 (order: 5, 196608 bytes)
    [    4.614869] TCP: Hash tables configured (established 16384 bind 16384)
    [    4.614877] TCP reno registered
    [    4.614887] UDP hash table entries: 256 (order: 1, 8192 bytes)
    [    4.614907] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
    [    4.615048] NET: Registered protocol family 1
    [    4.615328] RPC: Registered udp transport module.
    [    4.615336] RPC: Registered tcp transport module.
    [    4.615343] RPC: Registered tcp NFSv4.1 backchannel transport module.
    [    4.615521] PMU: registered new PMU device of type 0
    [    4.615655] nvrm_init called
    [    4.615743] nvrm probe
    [    4.615804] Disabling legacy nvrpc driver
    [    4.627476] ashmem: initialized
    [    4.628455] Installing knfsd (copyright (C) 1996 okir(malpa)monad.swb.de).
    [    4.628657] NTFS driver 2.1.29 [Flags: R/W].
    [    4.628790] fuse init (API version 7.15)
    [    4.628973] msgmni has been set to 723
    [    4.629675] io scheduler noop registered (default)
    [    4.650595] tegra_grhost tegra_grhost: initialized
    [    4.650638] host1x: tegradc tegradc
    [    4.650869] LDO6: 1800000
    [    4.651284] LDO6: 2850000
    [    4.651847] LDO7: 2850000
    [    4.652259] LDO7: 3300000
    [    4.652819] LDO8: 2850000
    [    4.653230] LDO8: 1800000
    [    4.653647] tegra_dvfs: rate 721500000 too high for dvfs on emc
    [    4.653688] tegradc tegradc.0: probed
    [    4.675667] Console: switching to colour frame buffer device 80x30
    [    4.692206] tegradc tegradc.0: probed
    [    4.692505] Serial: 8250/16550 driver, 9 ports, IRQ sharing disabled
    [    4.693165] serial8250.0: ttyS0 at MMIO 0x70006000 (irq = 68) is a XScale
    [    5.370789] console [ttyS0] enabled
    [    5.374434] tegra_uart.1: ttyHS1 at MMIO 0x70006040 (irq = 69) is a 16550
    [    5.381286] Registered UART port ttyHS1
    [    5.385135] tegra_uart.3: ttyHS3 at MMIO 0x70006300 (irq = 122) is a 16550
    [    5.392069] Registered UART port ttyHS3
    [    5.395930] Initialized tegra uart driver
    [    5.401368] loop: module loaded
    [    5.405006] tegra_nand: 1 NAND chip(s) found (vend=0x2c, dev=0x38) (Micron NAND 1GiB 1,8V 8-bit)
    [    5.413794] tegra_nand: NVIDIA Tegra NAND controller @ base=0x70008000 irq=56.
    [    5.565250] 1 cmdlinepart partitions found on MTD device tegra_nand
    [    5.571543] Creating 1 MTD partitions on "tegra_nand":
    [    5.576674] 0x000001b80000-0x00003fe00000 : "userspace"
    [    5.582809] PPP generic driver version 2.4.2
    [    5.587153] PPP Deflate Compression module registered
    [    5.592209] PPP BSD Compression module registered
    [    5.597389] PPP MPPE Compression module registered
    [    5.602185] NET: Registered protocol family 24
    [    5.606965] usbcore: registered new interface driver asix
    [    5.612394] usbcore: registered new interface driver cdc_ether
    [    5.618242] usbcore: registered new interface driver cdc_subset
    [    5.624172] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
    [    5.770843] tegra-ehci tegra-ehci.1: Tegra EHCI Host Controller
    [    5.776808] tegra-ehci tegra-ehci.1: new USB bus registered, assigned bus number 1
    [    5.810522] tegra-ehci tegra-ehci.1: irq 53, io mem 0xc5004000
    [    5.830511] tegra-ehci tegra-ehci.1: USB 2.0 started, EHCI 1.00
    [    5.836474] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
    [    5.843263] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
    [    5.850473] usb usb1: Product: Tegra EHCI Host Controller
    [    5.855870] usb usb1: Manufacturer: Linux 2.6.36.2 ehci_hcd
    [    5.861439] usb usb1: SerialNumber: tegra-ehci.1
    [    5.866263] hub 1-0:1.0: USB hub found
    [    5.870015] hub 1-0:1.0: 1 port detected
    [    5.874060] setting TXFILLTUNING registers
    [    5.880721] tegra-ehci tegra-ehci.2: Tegra EHCI Host Controller
    [    5.886656] tegra-ehci tegra-ehci.2: new USB bus registered, assigned bus number 2
    [    5.920520] tegra-ehci tegra-ehci.2: irq 129, io mem 0xc5008000
    [    5.940510] tegra-ehci tegra-ehci.2: USB 2.0 started, EHCI 1.00
    [    5.946450] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
    [    5.953238] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
    [    5.960448] usb usb2: Product: Tegra EHCI Host Controller
    [    5.965844] usb usb2: Manufacturer: Linux 2.6.36.2 ehci_hcd
    [    5.971454] usb usb2: SerialNumber: tegra-ehci.2
    [    5.976260] hub 2-0:1.0: USB hub found
    [    5.980011] hub 2-0:1.0: 1 port detected
    [    5.984061] setting TXFILLTUNING registers
    [    5.988149] setting AHB-prefetch registers for USB2
    [    5.993112] usbcore: registered new interface driver cdc_acm
    [    5.998762] cdc_acm: v0.26:USB Abstract Control Model driver for USB modems and ISDN adapters
    [    6.007380] usbcore: registered new interface driver cdc_wdm
    [    6.013041] Initializing USB Mass Storage driver...
    [    6.017987] usbcore: registered new interface driver usb-storage
    [    6.023992] USB Mass Storage support registered.
    [    6.028665] usbcore: registered new interface driver libusual
    [    6.034491] usbcore: registered new interface driver usbserial
    [    6.040338] USB Serial support registered for generic
    [    6.045428] usbcore: registered new interface driver usbserial_generic
    [    6.051952] usbserial: USB Serial Driver core
    [    6.056327] USB Serial support registered for pl2303
    [    6.061335] usbcore: registered new interface driver pl2303
    [    6.066897] pl2303: Prolific PL2303 USB to serial adaptor driver
    [    6.072924] NVidia Tegra High-Speed USB SOC Device Controller driver (Apr 20, 2007)
    [    6.130691] g_ether gadget: using random self ethernet address
    [    6.136521] g_ether gadget: using random host ethernet address
    [    6.142562] usb0: MAC b2:4d:61:74:0e:d7
    [    6.146391] usb0: HOST MAC b2:65:3e:c9:e1:5e
    [    6.150668] g_ether gadget: controller 'fsl-tegra-udc' not recognized; trying CDC Ethernet (ECM)
    [    6.159524] g_ether gadget: Ethernet Gadget, version: Memorial Day 2008
    [    6.166215] g_ether gadget: g_ether ready
    [    6.170215] fsl-tegra-udc: bind to driver g_ether
    [    6.175472] usbcore: registered new interface driver usbtouchscreen
    [    6.188405] colibri-otg colibri-otg: SUSPEND --> PERIPHERAL
    [    6.194024] usb 1-1: new high speed USB device using tegra-ehci and address 2
    [    6.205930] using rtc device, m41t00, for alarms
    [    6.210382] rtc-ds1307 0-0068: rtc core: registered m41t00 as rtc0
    [    6.250582] tegra_rtc tegra_rtc: rtc core: registered tegra_rtc as rtc1
    [    6.257195] tegra_rtc tegra_rtc: Tegra internal Real Time Clock
    [    6.263282] tps6586x-rtc tps6586x-rtc.0: rtc core: registered tps6586x-rtc as rtc2
    [    6.271863] i2c /dev entries driver
    [    6.275704] lirc_dev: IR Remote Control driver registered, major 251
    [    6.282146] IR LIRC bridge handler initialized
    [    6.286580] Linux video capture interface: v2.00
    [    6.291432] usbcore: registered new interface driver uvcvideo
    [    6.297167] USB Video Class driver (v0.1.0)
    [    6.301407] trpc_sema_init: registered misc dev 10:54
    [    6.306494] trpc_node_register: Adding 'local' to node list
    [    6.313797] trpc_node_register: Adding 'avp-remote' to node list
    [    6.319882] tegra_avp_probe: driver registered, kernel 1ff00000(97c00000), msg area 16eb8000/16eb8110
    [    6.351699] usb 1-1: New USB device found, idVendor=0b95, idProduct=772b
    [    6.358391] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    [    6.365525] usb 1-1: Product: AX88772B
    [    6.369266] usb 1-1: Manufacturer: ASIX Elec. Corp.
    [    6.374148] usb 1-1: SerialNumber: 000001
    [    6.620663] tegra-i2c tegra-i2c.0: no acknowledge
    [    6.821792] device-mapper: uevent: version 1.0.3
    [    6.826570] device-mapper: ioctl: 4.18.0-ioctl (2010-06-29) initialised: dm-devel(malpa)redhat.com
    [    6.835050] Bluetooth: HCI UART driver ver 2.2
    [    6.839485] Bluetooth: HCI H4 protocol initialized
    [    6.844274] Bluetooth: HCILL protocol initialized
    [    6.848995] sdhci: Secure Digital Host Controller Interface driver
    [    6.855173] sdhci: Copyright(c) Pierre Ossman
    [    6.859583] mmc0: Invalid maximum block size, assuming 512 bytes
    [    6.865603] sdhci-tegra.3 supply vmmc not found, using dummy regulator
    [    6.872218] mmc0: SDHCI controller on tegra [sdhci-tegra.3] using ADMA
    [    6.878778] sdhci3: initialized irq 63 ioaddr 9781c600
    [    6.884195] usbcore: registered new interface driver hiddev
    [    6.889799] usbcore: registered new interface driver usbhid
    [    6.896397] usbhid: USB HID core driver
    [    6.900410] usbcore: registered new interface driver snd-usb-audio
    [    6.906669] tegra_ac97_dev_probe
    [    6.910075] No device for DAI tegra-dummy-codec-i2s
    [    6.914973] No device for DAI tegra-dummy-codec-tdm1
    [    6.919950] No device for DAI tegra-dummy-codec-tdm2
    [    6.925934] No device for DAI tegra-dummy-codec-spdif
    [    6.933107] asoc: tegra-dummy-codec-spdif <-> spdif mapping ok
    [    6.939155] colibri_init
    [    6.941770] WM9711/WM9712 SoC Audio Codec 0.4
    [    6.946298] asoc: AC97 HiFi <-> tegra-ac97-pcm mapping ok
    [    6.951792] asoc: AC97 Aux <-> tegra-ac97-modem mapping ok
    [    6.957290] tegra_ac97_reset
    [    6.960187] tegra_ac97_warm_reset
    [    6.966879] colibri_wm9712l_init
    [    6.972738] wm97xx-ts 2-0:WM9712: detected a wm9712 codec
    [    6.986246] input: wm97xx touchscreen as /devices/platform/soc-audio/2-0:WM9712/input/input0
    [    6.995027] ALSA device list:
    [    6.997989]   #1: tegra (tegra-dummy-codec)
    [    7.002193]   #2: Toradex Colibri T20 (WM9712)
    [    7.006688] GACT probability NOT on
    [    7.010173] Mirror/redirect action on
    [    7.013838] u32 classifier
    [    7.016538]     Actions configured
    [    7.019933] Netfilter messages via NETLINK v0.30.
    [    7.024699] nf_conntrack version 0.5.0 (5787 buckets, 23148 max)
    [    7.031004] ctnetlink v0.93: registering with nfnetlink.
    [    7.036458] xt_time: kernel timezone is -0000
    [    7.041111] ip_tables: (C) 2000-2006 Netfilter Core Team
    [    7.046512] arp_tables: (C) 2002 David S. Miller
    [    7.051191] TCP cubic registered
    [    7.054443] NET: Registered protocol family 17
    [    7.058916] NET: Registered protocol family 15
    [    7.063479] Bluetooth: L2CAP ver 2.15
    [    7.067160] Bluetooth: L2CAP socket layer initialized
    [    7.072252] Bluetooth: SCO (Voice Link) ver 0.6
    [    7.076800] Bluetooth: SCO socket layer initialized
    [    7.081760] Bluetooth: RFCOMM TTY layer initialized
    [    7.086661] Bluetooth: RFCOMM socket layer initialized
    [    7.091851] Bluetooth: RFCOMM ver 1.11
    [    7.095620] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
    [    7.100959] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
    [    7.106991] Registering the dns_resolver key type
    [    7.111819] ASIX USB Ethernet Adapter:v4.2.0 08:12:04 May 10 2012
    [    7.111824] <6>    http://www.asix.com.tw
    [    7.123766] deviceless supply vdd_aon not found, using dummy regulator
    [    7.130309] VFP support v0.3: eth%d: status ep1in, 8 bytes period 11
    [    7.136947] eth0: register 'asix' at usb-tegra-ehci.1-1, ASIX AX88772B USB 2.0 Ethernet, 00:0e:c6:87:72:01
    [    7.146609] implementor 41 architecture 3 part 30 variant 9 rev 1
    [    7.153471] regulator_init_complete: incomplete constraints, leaving REG-LDO_9 on
    [    7.161116] regulator_init_complete: incomplete constraints, leaving REG-LDO_5 on
    [    7.168746] regulator_init_complete: incomplete constraints, leaving REG-LDO_4 on
    [    7.176679] regulator_init_complete: incomplete constraints, leaving REG-LDO_1 on
    [    7.184501] regulator_init_complete: incomplete constraints, leaving REG-SM_2 on
    [    7.192055] regulator_init_complete: incomplete constraints, leaving REG-SM_1 on
    [    7.199597] regulator_init_complete: incomplete constraints, leaving REG-SM_0 on
    [    7.209202] rtc-ds1307 0-0068: setting system clock to 2012-03-22 21:58:27 UTC (1332453507)
    [    7.217783] yaffs: dev is 32505856 name is "mtdblock0" rw
    [    7.223191] yaffs: passed flags ""
    [   15.468355] VFS: Mounted root (yaffs2 filesystem) on device 31:0.
    [   15.474505] Freeing init memory: 172K

    INIT: version 2.86 booting

    Please wait: booting...
    Error opening /dev/fb0: Device or resource busy
    Starting udev
    udevd[95]: error: runtime direct[   15.916599] <30>udevd[96]: starting version 171
    ory '/run/udev' not writable, for now falling back to '/dev/.udev'

    Root filesystem already rw, not remounting
    Caching udev devnodes
    Populating dev cache
    ALSA: Restoring mixer settings...
    Configuring network interfaces... [   16.535651] eth0: rxqlen 0 --> 5
    [   16.569958] eth0: ax88772b - Link status is: 0
    done.
    Starting portmap daemon: portmap.
    net.ipv4.conf.default.rp_filter = 1
    net.ipv4.conf.all.rp_filter = 1

    INIT: Entering runlevel: 5

    Starting system message bus: [   16.697993] eth0: ax88772b - Link status is: 1
    dbus.
    Starting Hardware abstraction layer hald
    Starting Dropbear SSH server: [   17.782692] wm97xx-ts 2-0:WM9712: No IRQ specified
    dropbear.
    Starting advanced power management daemon: No APM support in kernel
    (failed.)
    Starting syslogd/klogd: done
    Starting internet superserver: xinetd.
     * Starting Avahi mDNS/DNS-SD Daemon: avahi-daemon
    \0x1b[A\0x1b[74G[ ok ]
    ls: /dev/sd??: No such file or directory
    Starting NTP Client.
    Nvidia Ressource Manager Daemon: nvrm_daemon.
    [   18.085439] tegra-i2c tegra-i2c.0: no acknowledge

    .---O---.                                           
    |       |                  .-.           o o       
    |   |   |-----.-----.-----.| |   .----..-----.-----.
    |       |     | __  |  ---'| '--.|  .-'|     |     |
    |   |   |  |  |     |---  ||  --'|  |  |  '  | | | |
    '---'---'--'--'--.  |-----''----''--'  '-----'-'-'-'
                    -'  |
                    '---'

    The Angstrom Distribution colibri_t20 ttyS0

    Angstrom v2012.03 colibri_t20 ttyS0

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