如何解决如何使用 Xilinx Petalinux SDK 解决“Failed to Source Bitbake”
我正在使用 Xilinx Petalinux 2018.03 SDK 运行 Ubuntu 16.04。经过多次成功编译后,我现在面临此错误
$ petalinux-build
[INFO] building project
[INFO] sourcing bitbake
ERROR: Failed to source bitbake
ERROR: Failed to build project
我该如何解决这个问题?
解决方法
首先,您需要进一步调查错误,请执行以下操作:
source /opt/pkg/petalinux/2018.3/settings.sh
它将返回类似于下面的内容:
PetaLinux environment set to '/opt/pkg/petalinux/2018.3'
INFO: Checking free disk space
INFO: Checking installed tools
INFO: Checking installed development libraries
INFO: Checking network and other services
获取环境设置:
source /opt/pkg/petalinux/2018.3/components/yocto/source/aarch64/environment-setup-aarch64-xilinx-linux
紧随其后:
devtool --help
就我而言,我可以看到有关实际错误的更多信息:
NOTE: Starting bitbake server...
ERROR: Unable to start bitbake server
ERROR: Last 10 lines of server log for this session (/opt/pkg/petalinux/2018.3/components/yocto/source/aarch64/bitbake-cookerdaemon.log):
Traceback (most recent call last):
File "/opt/pkg/petalinux/2018.3/components/yocto/source/aarch64/layers/core/bitbake/lib/bb/daemonize.py",line 77,in createDaemon
function()
File "/opt/pkg/petalinux/2018.3/components/yocto/source/aarch64/layers/core/bitbake/lib/bb/server/process.py",line 433,in _startServer
self.cooker = bb.cooker.BBCooker(self.configuration,self.featureset)
File "/opt/pkg/petalinux/2018.3/components/yocto/source/aarch64/layers/core/bitbake/lib/bb/cooker.py",line 178,in __init__
self.configwatcher = pyinotify.WatchManager()
File "/opt/pkg/petalinux/2018.3/components/yocto/source/aarch64/layers/core/bitbake/lib/pyinotify.py",line 1764,in __init__
raise OSError(err % self._inotify_wrapper.str_errno())
OSError: Cannot initialize new instance of inotify,Errno=Too many open files (EMFILE)
ERROR: Unable to start bitbake server
ERROR: Last 10 lines of server log for this session (/opt/pkg/petalinux/2018.3/components/yocto/source/aarch64/bitbake-cookerdaemon.log):
Traceback (most recent call last):
File "/opt/pkg/petalinux/2018.3/components/yocto/source/aarch64/layers/core/bitbake/lib/bb/daemonize.py",**Errno=Too many open files (EMFILE)**
这是指向需要增加的/proc/sys/fs/inotify/max_user_instances。就我而言,我通过这样做从 128 到 256:
sudo su
echo 256 > /proc/sys/fs/inotify/max_user_instances
您需要使用“su”成为 root 并更改 mac_user_instances。
,出现错误“ERROR: Failed to source bitbake”以及“ERROR: Failed to build project”的另一个原因是构建机器上的 Python 可能升级。 Petalinux SDK 2018.3 版本需要 python v2 (>= 2.7.3)。
您可以在 [YOUR_PROJECT]/build/build.log 下查看,您可能会看到类似于下面的日志:
[INFO] building project
[INFO] sourcing bitbake
SDK environment now set up; additionally you may now run devtool to perform development tasks.
Run devtool --help for further details.
OpenEmbedded requires 'python' to be python v2 (>= 2.7.3),not python v3.
Please set up python v2 as your default 'python' interpreter.
ERROR: Failed to source bitbake
ERROR: Failed to build project
要解决此问题,请删除 /usr/bin 下的符号链接,并确保创建一个指向 Python 2.7 的新链接:
sudo rm /usr/bin/python
sudo ln -s /usr/bin/python2.7 /usr/bin/python
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