Hi, Karim,
I have tried "sudo apt-get install curl", then do the "bitbake". But there are 
stiill many errors.
detailed build logs are as follows:
"http://www.cnblogs.com/tianya-lemon/p/5179160.html";


Thank you so much for your ideas.


Jack
Shanghai
------------------ Original ------------------
From:  "Karim ATIKI"<karim_at...@hotmail.com>;
Date:  Wed, Feb 3, 2016 04:28 PM
To:  "JackZhang"<jackzhang1...@t.shu.edu.cn>; 
Cc:  "yocto"<yocto@yoctoproject.org>; 
Subject:  RE: [yocto] [meta-raspberrypi] errors when I "bitbake" an image       
formyrpi2 B+ board

 
  

 
 Hi Jack, 
 I recently had a similar issue, until I realize that "curl" was not installed 
on my Debian Jessie...
 
 
 K.
 
  
 De : yocto-boun...@yoctoproject.org <yocto-boun...@yoctoproject.org> de la 
part de 张健 <jackzhang1...@t.shu.edu.cn>
 Envoyé : mercredi 3 février 2016 07:33
 À : SIVA SUBRAMANIAN.P
 Cc : yocto
 Objet : Re: [yocto] [meta-raspberrypi] errors when I "bitbake" an image formy 
rpi2 B+ board  
 
  Hi, Sivasubramanian:
 Yes, I am able to reach it by using my firefox browser to reach it, It works. 
And that's the most werid thing.
 I'v asked this question on the '#yocto' IRC channel after I sent the first 
mail.
   Someone in the channel told me to use the command: " bitbake 
kconfig-frontends-native -c fetch" to fetch  . then use "bitbake 
rpi-hwup-image". My  computer is building now, and I'm waiting to see the 
results.
    Another possible reason is maybe the speed of the internet.  I used "wifi" 
and the linux is run under the VMware; Now I  connect the cable  to my 
computer(not wireless anymore), still linux in the VMware, though. And try 
"bitbake", and wait for the result.
 
 
 Thanks,
 
 
 Jack
 Shanghai
  
  ------------------ Original ------------------
  From:  "SIVA SUBRAMANIAN.P"<psiv...@gmail.com>;
 Date:  Wed, Feb 3, 2016 02:19 PM
 To:  "JackZhang"<jackzhang1...@t.shu.edu.cn>; 
 Cc:  "yocto"<yocto@yoctoproject.org>; 
 Subject:  Re: [yocto] [meta-raspberrypi] errors when I "bitbake" an image 
formy rpi2 B+ board
 
  
    Hi Jack,
 
 How about wget or curl of those urls, are you able to reach it? Also, see if 
explorer redirects this to https or other protocol?
 
 
 Regards,
 
 Sivasubramanian
 
 
 On Wed, Feb 3, 2016 at 8:11 AM, 张健 <jackzhang1...@t.shu.edu.cn> wrote:
  [meta-raspberrypi]
 Hi,every one. 
 I'm trying to use meta-raspberrypi layer to build an image for my raspberrypi2 
B+ board. 
  
 
 After I download poky,I git clone meta-raspberrypi layer as follows: "git 
clone git://git.yoctoproject.org/meta-raspberrypi"
 
 Then I totally follow the README in the meta-raspberrypi directory as follows:
 "
  .........
 How to use it:
 
 
 1. source poky/oe-init-build-env rpi-build
 2. Add needed layer to bblayers.conf:
     - meta-raspberrypi
 3  Set MACHINE to "raspberrypi"/"raspberrypi2" in local.conf  (I set machine 
to be "raspberrypi2" here)
 4. bitbake rpi-hwup-image
 5. dd to a SD card the generated sdimg file (use xzcat if rpi-sdimg.xz is used)
 6. Boot your RPI.
 
 "
 
 
 but it comes out with several errors after "bitbake", I don't know why, 
warnings and errors are as follows:
  "
 WARNING: Failed to fetch URL  
ftp://invisible-island.net/ncurses/current/ncurses-5.9-20150329.tgz, attempting 
MIRRORS if available
 WARNING: Failed to fetch URL  
http://kernel.org/pub/linux/kernel/v4.x/linux-4.1.tar.xz, attempting MIRRORS if 
available
 ERROR: Fetcher failure: Fetch command failed with exit code 4, output:
 wget: unable to resolve host address 'kernel.org'
 
 
 ERROR: Function failed: Fetcher failure for URL: 
'http://kernel.org/pub/linux/kernel/v4.x/linux-4.1.tar.xz'. Unable to fetch URL 
from any source.
 ERROR: Logfile of failure stored in: 
/home/jackzhang1992/poky/build/tmp/work/cortexa7hf-vfp-vfpv4-neon-poky-linux-gnueabi/linux-libc-headers/4.1-r0/temp/log.do_fetch.8031
 ERROR: Task 961 
(/home/jackzhang1992/poky/meta/recipes-kernel/linux-libc-headers/linux-libc-headers_4.1.bb,
 do_fetch) failed with exit code '1'
 WARNING: Failed to fetch URL  
http://ymorin.is-a-geek.org/download/kconfig-frontends/kconfig-frontends-3.12.0.0.tar.xz,
 attempting MIRRORS if available
 ERROR: Fetcher failure: Fetch command failed with exit code 4, output:
 wget: unable to resolve host address 'ymorin.is-a-geek.org'
 
 
 ERROR: Function failed: Fetcher failure for URL: 
'http://ymorin.is-a-geek.org/download/kconfig-frontends/kconfig-frontends-3.12.0.0.tar.xz'.
  Unable to fetch URL from any source.
 ERROR: Logfile of failure stored in: 
/home/jackzhang1992/poky/build/tmp/work/i686-linux/kconfig-frontends-native/3.12.0.0-r0/temp/log.do_fetch.8067
 ERROR: Task 728 
(virtual:native:/home/jackzhang1992/poky/meta/recipes-devtools/kconfig-frontends/kconfig-frontends_3.12.0.0.bb,
 do_fetch) failed with exit code '1'
 WARNING: Failed to fetch URL  
http://dotat.at/prog/unifdef/unifdef-2.10.tar.xz, attempting MIRRORS if 
available
 NOTE: Tasks Summary: Attempted 152 tasks of which 0 didn't need to be rerun 
and 2 failed.
 
 "
 
 
 According to the errors, It seams there are many fetcher failures,but when I 
copy the link such as"http://kernel.org/pub/linux/kernel/v4.x/linux-4.1.tar.xz"; 
  to my firefox explorer, It could find the files. It is very weird.
 
 
 
 
 If you have any idea about it, pls contact with me.
 Thanks
 
 
 
 
 Jack
 Shanghai
 
 
 
 
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