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RE: Booting Linux ยป boot_linux_v3p2.txt

boot successful on linux 3.2 - david mckinley, 03/11/2014 12:22 PM

 
U-Boot SPL 2013.10-g6c6a700 (Nov 20 2013 - 16:56:02)
MityARM335x profile 1 - Model No: 3359-GX-226-RC Serial No: 123765
Old factory config found, configuring for 256 MB DDR2
Configuring for 256 MB DDR2 @ 266MHz
Critical Link AM335X Dev Kit -- NAND Page size = 2048k booting from dev 8
reading u-boot.img
reading u-boot.img


U-Boot 2013.10-g6c6a700 (Nov 20 2013 - 16:56:02)

AM335X-GP rev 0
I2C: ready
DRAM: 256 MiB
WARNING: Caches not enabled
NAND: Using 2k bch8 layout
ECC Mode = 2 lo = 56/0
256 MiB
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
*** Warning - bad CRC, using default environment

Net: cpsw:1 is connected to cpsw. Reconnecting to cpsw
cpsw
Hit any key to stop autoboot: 1  0
SD/MMC found on device 0
reading uenv.txt
2162 bytes read in 5 ms (421.9 KiB/s)
Loaded environment from uenv.txt
Importing environment from mmc ...
reading uImage
3704240 bytes read in 426 ms (8.3 MiB/s)
## Booting kernel from Legacy Image at 80007fc0 ...
Image Name: Linux-3.2.0-00217-g3c4aa5c
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 3704176 Bytes = 3.5 MiB
Load Address: 80008000
Entry Point: 80008000
Verifying Checksum ... OK
XIP Kernel Image ... OK

Starting kernel ...

Uncompressing Linux... done, booting the kernel.
[ 0.000000] Linux version 3.2.0-00217-g3c4aa5c (root@dlinux) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #1 Tue Mar 11 09:16:03 PDT 2014
[ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c53c7d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] Machine: mityarm335x
[ 0.000000] Memory policy: ECC disabled, Data cache writeback
[ 0.000000] AM335X ES1.0 (sgx neon )
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 65024
[ 0.000000] Kernel command line: console=ttyO0,115200n8 video=da8xx:bpp=16 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait ip=none
[ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[ 0.000000] Memory: 256MB = 256MB total
[ 0.000000] Memory: 251288k/251288k available, 10856k 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] vmalloc : 0xd0800000 - 0xff000000 ( 744 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xd0000000 ( 256 MB)
[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .text : 0xc0008000 - 0xc0746000 (7416 kB)
[ 0.000000] .init : 0xc0746000 - 0xc0784000 ( 248 kB)
[ 0.000000] .data : 0xc0784000 - 0xc081d468 ( 614 kB)
[ 0.000000] .bss : 0xc081d48c - 0xc085ceb4 ( 255 kB)
[ 0.000000] NR_IRQS:396
[ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrupts
[ 0.000000] Total of 128 interrupts on 1 active controller
[ 0.000000] OMAP clockevent source: GPTIMER2 at 24000000 Hz
[ 0.000000] OMAP clocksource: GPTIMER1 at 32768 Hz
[ 0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 131071999ms
[ 0.000000] Console: colour dummy device 80x30
[ 0.000152] Calibrating delay loop... 718.02 BogoMIPS (lpj=3590144)
[ 0.058959] pid_max: default: 32768 minimum: 301
[ 0.059082] Security Framework initialized
[ 0.059173] Mount-cache hash table entries: 512
[ 0.059570] CPU: Testing write buffer coherency: ok
[ 0.079620] omap_hwmod: gfx: failed to hardreset
[ 0.095886] omap_hwmod: pruss: failed to hardreset
[ 0.097259] print_constraints: dummy:
[ 0.097625] NET: Registered protocol family 16
[ 0.099914] OMAP GPIO hardware version 0.1
[ 0.102569] omap_mux_init: Add partition: #1: core, flags: 0
[ 0.105102] omap_i2c.3: alias fck already exists
[ 0.105407] omap_i2c.2: alias fck already exists
[ 0.106109] Registering mcspi 1 [2]
[ 0.106170] omap2_mcspi.1: alias fck already exists
[ 0.106384] Registering mcspi 2 [2]
[ 0.106414] omap2_mcspi.2: alias fck already exists
[ 0.106689] edma.0: alias fck already exists
[ 0.106719] edma.0: alias fck already exists
[ 0.106719] edma.0: alias fck already exists
[ 0.110137] baseboard_init [MityARM-335x DevKit]...
[ 0.110565] omap_hsmmc.0: alias fck already exists
[ 0.110992] omap_hsmmc.2: alias fck already exists
[ 0.111907] da8xx_lcdc.0: alias fck already exists
[ 0.112426] d_can.0: alias fck already exists
[ 0.112701] d_can.1: alias fck already exists
[ 0.112945] Configuring audio...
[ 0.113037] Registering mcasp[1]
[ 0.113067] davinci-mcasp.1: alias fck already exists
[ 0.113677] omap_i2c.1: alias fck already exists
[ 0.113922] WLAN GPIO Info.. IRQ = 186 WL_EN = 100 BT_EN = -22
[ 0.113922] Bluetooth not Enabled!
[ 0.113983] baseboard_setup_wlan: finished
[ 0.138763] bio: create slab <bio-0> at 0
[ 0.141052] SCSI subsystem initialized
[ 0.143157] usbcore: registered new interface driver usbfs
[ 0.143493] usbcore: registered new interface driver hub
[ 0.143707] usbcore: registered new device driver usb
[ 0.143859] musb-ti81xx musb-ti81xx: musb0, board_mode=0x3, plat_mode=0x3
[ 0.144165] musb-ti81xx musb-ti81xx: musb1, board_mode=0x3, plat_mode=0x0
[ 0.159027] omap_i2c omap_i2c.3: bus 3 rev2.4.0 at 100 kHz
[ 0.160034] tps65910 3-002d: JTAGREVNUM 0x1
[ 0.162445] print_constraints: VRTC:
[ 0.163940] print_constraints: VIO: at 1800 mV
[ 0.166259] print_constraints: VDD1: 600 <--> 1500 mV at 1137 mV normal
[ 0.168579] print_constraints: VDD2: 600 <--> 1500 mV at 1137 mV normal
[ 0.169586] print_constraints: VDD3: 5000 mV
[ 0.171051] print_constraints: VDIG1: at 1800 mV
[ 0.172485] print_constraints: VDIG2: at 1800 mV
[ 0.173980] print_constraints: VPLL: at 1800 mV
[ 0.175415] print_constraints: VDAC: at 1800 mV
[ 0.176849] print_constraints: VAUX1: at 1800 mV
[ 0.178283] print_constraints: VAUX2: at 3300 mV
[ 0.179748] print_constraints: VAUX33: at 3300 mV
[ 0.181182] print_constraints: VMMC: at 3300 mV
[ 0.181732] tps65910 3-002d: No interrupt support, no core IRQ
[ 0.199035] omap_i2c omap_i2c.2: bus 2 rev2.4.0 at 100 kHz
[ 0.219024] omap_i2c omap_i2c.1: bus 1 rev2.4.0 at 100 kHz
[ 0.220184] Advanced Linux Sound Architecture Driver Version 1.0.24.
[ 0.221588] cfg80211: Calling CRDA to update world regulatory domain
[ 0.222778] Switching to clocksource gp timer
[ 0.238952] musb-hdrc: version 6.0, ?dma?, otg (peripheral+host)
[ 0.239135] musb-hdrc musb-hdrc.0: dma type: pio
[ 0.240081] musb-hdrc musb-hdrc.0: USB OTG mode controller at d081c000 using PIO, IRQ 18
[ 0.240234] musb-hdrc musb-hdrc.1: dma type: pio
[ 0.240661] musb-hdrc musb-hdrc.1: MUSB HDRC host driver
[ 0.240753] musb-hdrc musb-hdrc.1: new USB bus registered, assigned bus number 1
[ 0.240875] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 0.240905] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.240905] usb usb1: Product: MUSB HDRC host driver
[ 0.240936] usb usb1: Manufacturer: Linux 3.2.0-00217-g3c4aa5c musb-hcd
[ 0.240936] usb usb1: SerialNumber: musb-hdrc.1
[ 0.241729] hub 1-0:1.0: USB hub found
[ 0.241760] hub 1-0:1.0: 1 port detected
[ 0.242340] musb-hdrc musb-hdrc.1: USB OTG mode controller at d081e800 using PIO, IRQ 19
[ 0.242797] NET: Registered protocol family 2
[ 0.243072] IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.243377] TCP established hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.243530] TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.243621] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.243652] TCP reno registered
[ 0.243652] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.243682] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.243896] NET: Registered protocol family 1
[ 0.244171] RPC: Registered named UNIX socket transport module.
[ 0.244201] RPC: Registered udp transport module.
[ 0.244201] RPC: Registered tcp transport module.
[ 0.244201] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.244415] NetWinder Floating Point Emulator V0.97 (double precision)
[ 0.256744] VFS: Disk quotas dquot_6.5.2
[ 0.256835] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.257385] msgmni has been set to 490
[ 0.258270] io scheduler noop registered
[ 0.258270] io scheduler deadline registered
[ 0.258361] io scheduler cfq registered (default)
[ 0.259368] _regulator_get: tps6116x supply vlcd not found, using dummy regulator
[ 0.262390] tps6116x tps6116x: registered backlight controller
[ 0.263031] DA8XX FB - options = bpp=16
[ 0.263183] da8xx_lcdc da8xx_lcdc.0: GLCD: Found 800x600 panel
[ 0.264221] DA8XX FB: 1024 x 768 16 bpp
[ 0.280120] Console: switching to colour frame buffer device 128x48
[ 0.290466] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 0.292358] omap_uart.0: ttyO0 at MMIO 0x44e09000 (irq = 72) is a OMAP UART0
[ 1.038391] console [ttyO0] enabled
[ 1.042724] omap_uart.1: ttyO1 at MMIO 0x48022000 (irq = 73) is a OMAP UART1
[ 1.050750] omap_uart.2: ttyO2 at MMIO 0x48024000 (irq = 74) is a OMAP UART2
[ 1.058624] omap_uart.3: ttyO3 at MMIO 0x481a6000 (irq = 44) is a OMAP UART3
[ 1.066436] omap_uart.4: ttyO4 at MMIO 0x481a8000 (irq = 45) is a OMAP UART4
[ 1.074249] omap_uart.5: ttyO5 at MMIO 0x481aa000 (irq = 46) is a OMAP UART5
[ 1.092041] brd: module loaded
[ 1.100433] loop: module loaded
[ 1.103973] i2c-core: driver [tsl2550] using legacy suspend method
[ 1.110412] i2c-core: driver [tsl2550] using legacy resume method
[ 1.116851] at24 2-0050: 256 byte 24c02 EEPROM, read-only, 0 bytes/write
[ 1.129699] MityARM-335x: Part Number = 3359-GX-226-RC
[ 1.135070] MityARM-335x DevKit: factory_config_callback
[ 1.141174] Configuring 256MB NAND device
[ 1.146179] omap-gpmc omap-gpmc: GPMC revision 6.0
[ 1.151184] Registering NAND on CS0
[ 1.157836] m25p80 spi2.0: m25p64-nonjedec (8192 Kbytes)
[ 1.163391] Creating 1 MTD partitions on "spi_flash":
[ 1.168731] 0x000000000000-0x000000800000 : "NOR User Defined"
[ 1.176940] omap2-nand driver initializing
[ 1.181549] ONFI flash detected
[ 1.184997] ONFI param page 0 valid
[ 1.188629] NAND device: Manufacturer ID: 0x2c, Chip ID: 0xda (Micron MT29F2G08ABAEAWP)
[ 1.197021] Creating 8 MTD partitions on "omap2-nand.0":
[ 1.202575] 0x000000000000-0x000000020000 : "SPL"
[ 1.208953] 0x000000020000-0x000000040000 : "SPL.backup1"
[ 1.215942] 0x000000040000-0x000000060000 : "SPL.backup2"
[ 1.222900] 0x000000060000-0x000000080000 : "SPL.backup3"
[ 1.229919] 0x000000080000-0x000000260000 : "U-Boot"
[ 1.237304] 0x000000260000-0x000000280000 : "U-Boot Env"
[ 1.244293] 0x000000280000-0x000000780000 : "Kernel"
[ 1.252899] 0x000000780000-0x000010000000 : "File System"
[ 1.363006] OneNAND driver initializing
[ 1.368041] CAN device driver interface
[ 1.372039] CAN bus driver for Bosch D_CAN controller 1.0
[ 1.378540] d_can d_can.0: device registered (irq=52, irq_obj=53)
[ 1.385589] d_can d_can.1: device registered (irq=55, irq_obj=56)
[ 1.433563] davinci_mdio davinci_mdio.0: davinci mdio revision 1.6
[ 1.440002] davinci_mdio davinci_mdio.0: detected phy mask fffffffd
[ 1.447021] am335x_vsc8601_phy_fixup 70421 here addr = 1
[ 1.453277] davinci_mdio.0: probed
[ 1.456848] davinci_mdio davinci_mdio.0: phy[1]: device 0:01, driver unknown
[ 1.464660] usbcore: registered new interface driver cdc_ether
[ 1.470916] usbcore: registered new interface driver cdc_subset
[ 1.477172] Initializing USB Mass Storage driver...
[ 1.482513] usbcore: registered new interface driver usb-storage
[ 1.488769] USB Mass Storage support registered.
[ 1.493682] gadget: using random self ethernet address
[ 1.499145] gadget: using random host ethernet address
[ 1.505157] usb0: MAC 32:a6:1a:c5:7d:91
[ 1.509185] usb0: HOST MAC 1a:5a:83:9e:c4:9f
[ 1.513732] gadget: Ethernet Gadget, version: Memorial Day 2008
[ 1.519989] gadget: g_ether ready
[ 1.523590] musb-hdrc musb-hdrc.0: MUSB HDRC host driver
[ 1.529144] musb-hdrc musb-hdrc.0: new USB bus registered, assigned bus number 2
[ 1.536987] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.544097] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.551605] usb usb2: Product: MUSB HDRC host driver
[ 1.556793] usb usb2: Manufacturer: Linux 3.2.0-00217-g3c4aa5c musb-hcd
[ 1.563690] usb usb2: SerialNumber: musb-hdrc.0
[ 1.569244] hub 2-0:1.0: USB hub found
[ 1.573181] hub 2-0:1.0: 1 port detected
[ 1.578491] mousedev: PS/2 mouse device common for all mice
[ 1.585601] input: ti-tsc-adcc as /devices/platform/omap/tsc/input/input0
[ 1.594238] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
[ 1.603820] tps65910-rtc tps65910-rtc: Wake up is not possible as irq = 0
[ 1.617095] tps65910-rtc tps65910-rtc: rtc core: registered tps65910-rtc as rtc1
[ 1.625335] i2c /dev entries driver
[ 1.630157] Linux media interface: v0.10
[ 1.634826] Linux video capture interface: v2.00
[ 1.640350] usbcore: registered new interface driver uvcvideo
[ 1.646667] USB Video Class driver (1.1.1)
[ 1.683929] lm75 1-0048: hwmon0: sensor 'lm75'
[ 1.690612] OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec
[ 1.699859] cpuidle: using governor ladder
[ 1.705017] cpuidle: using governor menu
[ 1.717041] usbcore: registered new interface driver usbhid
[ 1.723205] usbhid: USB HID core driver
[ 1.728454] usbcore: registered new interface driver snd-usb-audio
[ 1.762054] tlv320aic26-codec spi1.1: Probing AIC26 SoC CODEC driver
[ 1.782989] asoc: tlv320aic26-hifi <-> davinci-mcasp.1 mapping ok
[ 1.790954] ALSA device list:
[ 1.794403] #0: MityARM-335X DevKit
[ 1.798553] oprofile: hardware counters not available
[ 1.804138] oprofile: using timer interrupt.
[ 1.808929] nf_conntrack version 0.5.0 (3926 buckets, 15704 max)
[ 1.816040] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 1.822052] TCP cubic registered
[ 1.825744] NET: Registered protocol family 17
[ 1.830718] can: controller area network core (rev 20090105 abi 8)
[ 1.837615] NET: Registered protocol family 29
[ 1.842620] can: raw protocol (rev 20090105)
[ 1.847412] can: broadcast manager protocol (rev 20090105 t)
[ 1.853668] lib80211: common routines for IEEE802.11 drivers
[ 1.859924] Registering the dns_resolver key type
[ 1.865264] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
[ 1.873901] ThumbEE CPU extension supported.
[ 1.878723] mux: Failed to setup hwmod io irq -22
[ 1.884643] Power Management for AM33XX family
[ 1.889831] Trying to load am335x-pm-firmware.bin (60 secs timeout)
[ 1.896820] Copied the M3 firmware to UMEM
[ 1.901428] omap_hwmod: wkup_m3: wkup_m3: hwmod data error: OMAP4 does not support st_shift
[ 1.917877] Detected MACID=0:17:ea:9e:70:e9
[ 1.924255] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:01 UTC (946684801)
[ 1.933837] Waiting for root device /dev/mmcblk0p2...
[ 1.951995] mmc0: new high speed SDHC card at address aaaa
[ 1.958770] mmcblk0: mmc0:aaaa SU16G 14.8 GiB
[ 1.965545] mmcblk0: p1 p2 p3
[ 2.259552] kjournald starting. Commit interval 5 seconds
[ 2.265716] EXT3-fs (mmcblk0p2): warning: maximal mount count reached, running e2fsck is recommended
[ 2.277160] EXT3-fs (mmcblk0p2): using internal journal
[ 2.282928] EXT3-fs (mmcblk0p2): recovery complete
[ 2.289581] EXT3-fs (mmcblk0p2): mounted filesystem with ordered data mode
[ 2.297149] VFS: Mounted root (ext3 filesystem) on device 179:2.
[ 2.304168] Freeing init memory: 248K

INIT: version 2.86 booting

Please wait: booting...
Starting udev
[ 2.880889] udevd (825): /proc/825/oom_adj is deprecated, please use /proc/825/oom_score_adj instead.
[ 8.647399] kjournald starting. Commit interval 5 seconds
[ 8.653503] EXT3-fs (mmcblk0p3): warning: maximal mount count reached, running e2fsck is recommended
[ 8.666290] EXT3-fs (mmcblk0p3): using internal journal
[ 8.672088] EXT3-fs (mmcblk0p3): recovery complete
[ 8.677459] EXT3-fs (mmcblk0p3): mounted filesystem with ordered data mode
[ 8.806823] alignment: ignoring faults is unsafe on this CPU. Defaulting to fixup mode.
Remounting root file system...
Caching udev devnodes
ALSA: Restoring mixer settings...
Configuring network interfaces... ifconfig: SIOCGIFFLAGS: No such device
ifconfig: SIOCGIFFLAGS: No such device
eth0 No such device

ifconfig: SIOCGIFFLAGS: No such device
ifconfig: SIOCGIFFLAGS: No such device
ifconfig: SIOCGIFFLAGS: No such device
eth1 No such device

ifconfig: SIOCGIFFLAGS: No such device
done.
Setting up IP spoofing protection: rp_filter.
Sat Dec 24 10:11:00 UTC 2011

INIT: Entering runlevel: 5

Starting system message bus: dbus.
Starting Hardware abstraction layer hald
Starting Dropbear SSH server: dropbear.
Starting telnet daemon.
Starting network benchmark server: netserver.
Starting syslogd/klogd: done
Starting thttpd.
Starting PVR
[ 14.038879] pvrsrvkm: disagrees about version of symbol module_layout
insmod: error inserting '/lib/modules/3.1.0/kernel/drivers/gpu/pvr/pvrsrvkm.ko': -1 Invalid module format
FATAL: Module omaplfb not found.
FATAL: Module bufferclass_ti not found.
BusyBox v1.13.2 (2011-12-15 15:46:39 CST) multi-call binary

Usage: mknod [OPTIONS] NAME TYPE MAJOR MINOR

Create a special file (block, character, or pipe)

Options:
-m Create the special file using the specified mode (default a=rw)
TYPEs include:
b: Make a block device
c or u: Make a character device
p: Make a named pipe (MAJOR and MINOR are ignored)

chmod: /dev/pvrsrvkm: No such file or directory
[ 14.166717] Unhandled fault: external abort on non-linefetch (0x1018) at 0x4027c014
Bus error
Starting Lighttpd Web Server: lighttpd.
2011-12-24 10:11:02: (log.c.166) server started
/
/
Starting Matrix GUI application.
FATAL: Module g_mass_storage not found.
***************************************************************
***************************************************************
NOTICE: This file system contains the followin GPLv3 packages:
binutils-dev
binutils-symlinks
binutils
gdbserver

If you do not wish to distribute GPLv3 components please remove
the above packages prior to distribution. This can be done using
the opkg remove command. i.e.:
opkg remove <package>
Where <package> is the name printed in the list above

NOTE: If the package is a dependency of another package you
will be notified of the dependent packages. You should
use the --force-removal-of-dependent-packages option to
also remove the dependent packages as well
***************************************************************
***************************************************************

,--. ,--.,--. ,--. ,---. ,------. ,--. ,--.
| `.' |`--',-' '-.,--. ,--./ O \ | .--. '| `.' |
| |'.'| |,--.'-. .-' \ ' /| .-. || '--'.'| |'.'| |
| | | || | | | \ ' | | | || |\ \ | | |
`--' `--'`--' `--' .-' / `--' `--'`--' '--'`--' `--'
`---'
,----. ,----. ,-----.,--. ,--.
'.-. |'.-. || .--' \ `.' /
.' < .' < '--. `\ .' \
/'-' |/'-' |.--' / / .'. \
`----' `----' `----' '--' '--'

Critical Link LLC http://support.criticallink.com mityarm-335x ttyO0
Linux kernel verison Linux armv7l #1 Tue Mar 11 09:16:03 PDT 2014

mityarm-335x login: root
root@mityarm-335x:~# ifconfig /a
ifconfig: /a: error fetching interface information: Device not found
root@mityarm-335x:~# ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:136 errors:0 dropped:0 overruns:0 frame:0
TX packets:136 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:245997 (240.2 KiB) TX bytes:245997 (240.2 KiB)

root@mityarm-335x:~#
    (1-1/1)