I have run again bitbake fsl-image-gui, But, got following errors.....
WARNING: Failed to fetch URL http://rpm5.org/files/popt/popt-1.16.tar.gz, attempting MIRRORS if available
WARNING: Failed to fetch URL http://download.savannah.gnu.org/releases/acl/acl-2.2.52.src.tar.gz, attempting MIRRORS if available
WARNING: Failed to fetch URL http://xorg.freedesktop.org/releases/individual/lib/xtrans-1.3.5.tar.bz2, attempting MIRRORS if available
WARNING: Failed to fetch URL http://ftp.gnome.org/pub/GNOME/sources/glib/2.42/glib-2.42.1.tar.xz, attempting MIRRORS if available
WARNING: Failed to fetch URL http://downloads.sourceforge.net/libusb/libusb-1.0.19.tar.bz2, attempting MIRRORS if available
WARNING: Failed to fetch URL ftp://xmlsoft.org/libxml2/libxml2-2.9.2.tar.gz;name=libtar, attempting MIRRORS if available
WARNING: Failed to fetch URL http://kernel.org/pub/software/utils/pciutils/pciutils-3.3.0.tar.xz, attempting MIRRORS if available
WARNING: Failed to fetch URL http://downloads.sourceforge.net/project/libpng/libpng16/1.6.16/libpng-1.6.16.tar.xz, attempting MIRRORS if available
WARNING: Failed to fetch URL http://fontconfig.org/release/fontconfig-2.11.1.tar.gz, attempting MIRRORS if available
WARNING: Failed to fetch URL http://cairographics.org/releases/cairo-1.12.18.tar.xz, attempting MIRRORS if available
WARNING: Failed to fetch URL ftp://ftp.alsa-project.org/pub/lib/alsa-lib-1.0.28.tar.bz2, attempting MIRRORS if available
WARNING: Failed to fetch URL http://wiki.qemu-project.org/download/qemu-2.2.0.tar.bz2, attempting MIRRORS if available
WARNING: Failed to fetch URL http://xorg.freedesktop.org/releases/individual/lib/libXft-2.3.2.tar.bz2, attempting MIRRORS if available
WARNING: Failed to fetch URL http://www.ijg.org/files/jpegsrc.v8d.tar.gz, attempting MIRRORS if available
WARNING: Failed to fetch URL http://www.freedesktop.org/software/harfbuzz/release/harfbuzz-0.9.38.tar.bz2, attempting MIRRORS if available
WARNING: Failed to fetch URL http://www.cpan.org/src/5.0/perl-5.20.0.tar.gz, attempting MIRRORS if available
WARNING: Failed to fetch URL http://www.lzop.org/download/lzop-1.03.tar.gz, attempting MIRRORS if available
WARNING: Failed to fetch URL http://ftp.gnu.org/gnu/bc/bc-1.06.tar.gz, attempting MIRRORS if available
WARNING: Failed to fetch URL http://downloads.xiph.org/releases/ogg/libogg-1.3.2.tar.xz, attempting MIRRORS if available
WARNING: Failed to fetch URL http://ftp.gnu.org/gnu/bash/bash-4.3-patches/bash43-006;apply=yes;striplevel=0;name=patch006, attempting MIRRORS if available
WARNING: Failed to fetch URL http://xorg.freedesktop.org/releases/individual/proto/randrproto-1.4.0.tar.bz2, attempting MIRRORS if available
WARNING: Couldn't load checksums from donestamp /home/swapnil/fsl-release-bsp/downloads/gmp-6.0.0a.tar.bz2.done: UnpicklingError (msg: invalid load key, 'B'.)
WARNING: Failed to fetch URL http://www.apache.org/dist/apr/apr-1.5.1.tar.bz2, attempting MIRRORS if available
WARNING: Failed to fetch URL http://www.cpan.org/authors/id/D/DM/DMEGG/SGMLSpm-1.03ii.tar.gz, attempting MIRRORS if available
WARNING: Failed to fetch URL http://xorg.freedesktop.org/releases/individual/lib/libXv-1.0.10.tar.bz2, attempting MIRRORS if available
WARNING: Failed to fetch URL http://downloads.sourceforge.net/scons/scons-2.3.4.tar.gz, attempting MIRRORS if available
WARNING: Failed to fetch URL http://www.apache.org/dist/subversion/subversion-1.8.11.tar.bz2, attempting MIRRORS if available
WARNING: Failed to fetch URL http://gstreamer.freedesktop.org/src/orc/orc-0.4.23.tar.xz;name=orc, attempting MIRRORS if available
WARNING: Failed to fetch URL http://xorg.freedesktop.org/releases/individual/proto/xineramaproto-1.2.1.tar.bz2, attempting MIRRORS if available
WARNING: Failed to fetch URL http://downloads.us.xiph.org/releases/speex/speex-1.2rc1.tar.gz, attempting MIRRORS if available
ERROR: Fetcher failure: Fetch command failed with exit code 4, output:
wget: unable to resolve host address 'downloads.us.xiph.org'
ERROR: Function failed: Fetcher failure for URL: 'http://downloads.us.xiph.org/releases/speex/speex-1.2rc1.tar.gz'. Unable to fetch URL from any source.
ERROR: Logfile of failure stored in: /home/swapnil/fsl-release-bsp/build-x11/tmp/work/cortexa9hf-vfp-neon-poky-linux-gnueabi/speex/1.2rc1-r2/temp/log.do_fetch.4666
ERROR: Task 4166 (/home/swapnil/fsl-release-bsp/sources/poky/meta/recipes-multimedia/speex/speex_1.2rc1.bb, do_fetch) failed with exit code '1'
NOTE: Tasks Summary: Attempted 2081 tasks of which 300 didn't need to be rerun and 1 failed.
Waiting for 0 running tasks to finish:
Summary: 1 task failed:
/home/swapnil/fsl-release-bsp/sources/poky/meta/recipes-multimedia/speex/speex_1.2rc1.bb, do_fetch
Summary: There were 30 WARNING messages shown.
Summary: There were 2 ERROR messages shown, returning a non-zero exit code.