从头到尾的搞UG1144，虽然安装petalinux的方法本身就是错的，另外yocto的附属arm工具也一个字都没有提（可能我没搞完），配置内核的时候就出错了，还好forums.xilinx.com上面也有一堆人有这个问题：
vision@vision-ThinkPad-T440s:~/workspace/minisyslinux$ petalinux-config -c kernel
[INFO] generating Kconfig for project
[INFO] sourcing bitbake
[INFO] generating plnxtool conf
[INFO] generating meta-plnx-generated layer
~/workspace/minisyslinux/build/misc/plnx-generated ~/workspace/minisyslinux
~/workspace/minisyslinux
[INFO] generating machine configuration
[INFO] configuring: kernel
[INFO] generating kernel configuration files
[INFO] bitbake virtual/kernel -c menuconfig
Loading cache: 100% |#################| ETA: 00:00:00
Loaded 2938 entries from dependency cache.
Parsing recipes: 100% |#################| Time: 00:00:03
Parsing of 2325 .bb files complete (2291 cached, 34 parsed). 2940 targets, 196 skipped, 0 masked, 0 errors.
NOTE: Resolving any missing task queue dependencies
NOTE: Preparing RunQueue
NOTE: Executing RunQueue Tasks
NOTE: Tasks Summary: Attempted 2 tasks of which 0 didn't need to be rerun and all succeeded.
Loading cache: 100% |#################| ETA: 00:00:00
Loaded 2938 entries from dependency cache.
Parsing recipes: 100% |#################| Time: 00:00:03
Parsing of 2325 .bb files complete (2291 cached, 34 parsed). 2940 targets, 196 skipped, 0 masked, 0 errors.
NOTE: Resolving any missing task queue dependencies
NOTE: Preparing RunQueue
NOTE: Executing SetScene Tasks
NOTE: Executing RunQueue Tasks
WARNING: Linux-xlnx-4.6-xilinx+gitAUTOINC+2762bc9163-r0 do_menuconfig: Unsupported terminal "screen", defaulting to "auto"
ERROR: linux-xlnx-4.6-xilinx+gitAUTOINC+2762bc9163-r0 do_menuconfig: Unable to spawn terminal screen: Execution of '/home/vision/workspace/minisyslinux/build/tmp/work/plnx_arm-xilinx-linux-gnueabi/linux-xlnx/4.6-xilinx+gitAUTOINC+2762bc9163-r0/temp/run.do_terminal.758' failed with exit code -6:
Fatal Python error: Py_Initialize: Unable to get the locale encoding
ImportError: No module named 'encodings'
Current thread 0x00007f639bf86700 (most recent call first):
ERROR: linux-xlnx-4.6-xilinx+gitAUTOINC+2762bc9163-r0 do_menuconfig: Function failed: do_menuconfig
ERROR: Logfile of failure stored in: /home/vision/workspace/minisyslinux/build/tmp/work/plnx_arm-xilinx-linux-gnueabi/linux-xlnx/4.6-xilinx+gitAUTOINC+2762bc9163-r0/temp/log.do_menuconfig.758
ERROR: Task 7 (/home/vision/pkg/petalinux/components/yocto/source/arm/layers/meta-xilinx/recipes-kernel/linux/linux-xlnx_4.6.bb, do_menuconfig) failed with exit code '1'
NOTE: Tasks Summary: Attempted 170 tasks of which 161 didn't need to be rerun and 1 failed.
Summary: 1 task failed:
/home/vision/pkg/petalinux/components/yocto/source/arm/layers/meta-xilinx/recipes-kernel/linux/linux-xlnx_4.6.bb, do_menuconfig
Summary: There was 1 WARNING message shown.
Summary: There were 2 ERROR messages shown, returning a non-zero exit code.
ERROR: bitbake failed to configure kernel
ERROR: Failed to config kernel.
解决办法就是：sudo apt-get install screen" and it now runs
结果配置一下花屏，估计不会影响都其他配置。
vision@vision-ThinkPad-T440s:~$ sudo apt-get install screen
Reading package lists... Done
Building dependency tree
Reading state information... Done
Suggested packages:
iselect | screenie | byobu ncurses-term
The following NEW packages will be installed:
screen
0 upgraded, 1 newly installed, 0 to remove and 470 not upgraded.
Need to get 560 kB of archives.
After this operation, 972 kB of additional disk space will be used.
Get:1 http://cn.archive.ubuntu.com/ubuntu xenial/main amd64 screen amd64 4.3.1-2build1 [560 kB]
Fetched 560 kB in 37s (14.9 kB/s)
Selecting previously unselected package screen.
(Reading database ... 181296 files and directories currently installed.)
Preparing to unpack .../screen_4.3.1-2build1_amd64.deb ...
Unpacking screen (4.3.1-2build1) ...
Processing triggers for ureadahead (0.100.0-19) ...
ureadahead will be reprofiled on next reboot
Processing triggers for systemd (229-4ubuntu4) ...
Processing triggers for install-info (6.1.0.dfsg.1-5) ...
Processing triggers for man-db (2.7.5-1) ...
Setting up screen (4.3.1-2build1) ...
Processing triggers for ureadahead (0.100.0-19) ...
Processing triggers for systemd (229-4ubuntu4) ...
