Giving up... Interface wlan0 not found Error while booting compiled binary provided by computex

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Moonstar

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Sep 25, 2017, 3:23:19 PM9/25/17

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Hi,

Im using computext CEV RZ/A1L board. I have two issues

1. i coundnt get ethernet working for the compiled binary provided by computex

2. i couldnt build the binary as per steps given in CEV Embedded Linux Installation guide ver 2

Issue #1

I download the compiled binary file provided by computex and copied to USB pen drive as per instruction given in CEV Embedded Linux Installation guide ver 2. The board is successfully booting when i give command run usbboot in teraterm. However, its failing for the ethernet interface.... the message shown in screen is given below

----------------------

Waiting for wlan0 interface to be ready...

Please be patient....

Giving up... Interface wlan0 not found

Starting network....

ifup:ignoring unknown interface wlan0

net eth0: attached phy 0 to driveer Generic PHY

udhcpc (c1.21.1)started

grep: /etc/resolv.conf: no such file or directory

ailed to kill daemon: No such file or directory

sending discover...

No lease, forking to background

Starting httpd...

Initialize SmartAnalog...

Enable iio Hardware trigger...

sensor scan start.

Starting sensor daemon...

welcome to cevrza1l

cevrza1l login:

-------------------------------

Can you please let me know how to resolve this? Im using cross over ethernet cable between Laptop and CEV ethernet port

Issue #2

when i try to execute following command as step to build the binary, getting error

---------------------------

apparatustech@ubuntu:~/CEV_Linux_SDK_V2.00.01$ ./initial-buildroot-make.sh

/bin/bash: /home/apparatustech/CEV_Linux_SDK_V2.00.01/buildroot-2013.08.1-cevrza1l-20140116-1/output/build/buildroot-config/conf: No such file or directory

make: *** [cevrza1l_defconfig] Error 127

/usr/bin/make -j2 HOSTCC="/usr/bin/gcc" HOSTCXX="/usr/bin/g++" silentoldconfig

make[1]: Entering directory `/home/apparatustech/CEV_Linux_SDK_V2.00.01/buildroot-2013.08.1-cevrza1l-20140116-1'

BR2_DEFCONFIG='' KCONFIG_AUTOCONFIG=/home/apparatustech/CEV_Linux_SDK_V2.00.01/buildroot-2013.08.1-cevrza1l-20140116-1/output/build/buildroot-config/auto.conf KCONFIG_AUTOHEADER=/home/apparatustech/CEV_Linux_SDK_V2.00.01/buildroot-2013.08.1-cevrza1l-20140116-1/output/build/buildroot-config/autoconf.h KCONFIG_TRISTATE=/home/apparatustech/CEV_Linux_SDK_V2.00.01/buildroot-2013.08.1-cevrza1l-20140116-1/output/build/buildroot-config/tristate.config BUILDROOT_CONFIG=/home/apparatustech/CEV_Linux_SDK_V2.00.01/buildroot-2013.08.1-cevrza1l-20140116-1/.config /home/apparatustech/CEV_Linux_SDK_V2.00.01/buildroot-2013.08.1-cevrza1l-20140116-1/output/build/buildroot-config/conf --silentoldconfig Config.in

/bin/bash: /home/apparatustech/CEV_Linux_SDK_V2.00.01/buildroot-2013.08.1-cevrza1l-20140116-1/output/build/buildroot-config/conf: No such file or directory

make[1]: *** [silentoldconfig] Error 127

make[1]: Leaving directory `/home/apparatustech/CEV_Linux_SDK_V2.00.01/buildroot-2013.08.1-cevrza1l-20140116-1'

make: *** [/home/apparatustech/CEV_Linux_SDK_V2.00.01/buildroot-2013.08.1-cevrza1l-20140116-1/output/build/buildroot-config/auto.conf] Error 2

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When I checked the folder "buildroot-config", its having "config" file

/bin/bash: /home/apparatustech/CEV_Linux_SDK_V2.00.01/buildroot-2013.08.1-cevrza1l-20140116-1/output/build/buildroot-config/conf