FAQ - Frequently Asked Questions: Difference between revisions
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== Why when building Yocto, sometimes the Ubuntu Terminal is closed without any notification? == | |||
Ubuntu 22.04 comes with the systemd-oomd service enabled by default, <br> | |||
which limits the RAM of a terminal application to no more than 50% by default. <br> | |||
If a terminal application uses more than 50% RAM, the OOM daemon kills the entire process tree, <br> | |||
so even the terminal hosting the processes that were killed will suddenly vanish.<br> | |||
The simplest solution is to disable the OOM daemon: | |||
$ sudo systemctl disable --now systemd-oomd | |||
$ sudo systemctl mask systemd-oomd | |||
If the Yocto building is killed by OOM, and then again started, some tasks can fail.<br> | |||
For example:<br> | |||
Summary: 3 tasks failed: | |||
/mnt/960GB/nxp/yocto-micledore/sources/poky/meta/recipes-devtools/binutils/binutils_2.40.bb:do_compile | |||
/mnt/960GB/nxp/yocto-micledore/sources/poky/meta/recipes-devtools/gdb/gdb_13.2.bb:do_compile | |||
/mnt/960GB/nxp/yocto-micledore/sources/poky/meta/recipes-devtools/gcc/gcc_12.3.bb:do_compile | |||
In this case, the failed tasks must be cleaned: | |||
$ bitbake -c cleanall binutils gdb gcc | |||
$ bitbake imx-image-core | |||
== How to rebase the Ronetix U-BOOT git repository? == | == How to rebase the Ronetix U-BOOT git repository? == | ||
Here are the steps to rebase the U-BOOT repository: | Here are the steps to rebase the U-BOOT repository: | ||
$ git clone https://github.com/ | $ git clone https://github.com/ronetix/u-boot.git | ||
$ cd u-boot | $ cd u-boot | ||
$ git remote add https://github.com/ | $ git remote add nxp https://github.com/nxp-imx/uboot-imx.git | ||
$ git checkout remotes/ | $ git fetch nxp | ||
$ git rebase | $ git checkout remotes/origin/lf_v2023.04 -b lf_v2023.04 | ||
$ git rebase nxp/lf_v2023.04 | |||
If there are some conflicts, resolve them manually and | If there are some conflicts, resolve them manually, for example: | ||
$ vim arch/arm/mach-imx/imx9/Kconfig # fix and save | |||
$ git add arch/arm/mach-imx/imx9/Kconfig | |||
$ git commit -m "mach-imx/imx9/Kconfig : resolve merge conflict" | |||
$ git rebase --continue | |||
Latest revision as of 14:33, 15 February 2024
Why when building Yocto, sometimes the Ubuntu Terminal is closed without any notification?
Ubuntu 22.04 comes with the systemd-oomd service enabled by default,
which limits the RAM of a terminal application to no more than 50% by default.
If a terminal application uses more than 50% RAM, the OOM daemon kills the entire process tree,
so even the terminal hosting the processes that were killed will suddenly vanish.
The simplest solution is to disable the OOM daemon:
$ sudo systemctl disable --now systemd-oomd $ sudo systemctl mask systemd-oomd
If the Yocto building is killed by OOM, and then again started, some tasks can fail.
For example:
Summary: 3 tasks failed: /mnt/960GB/nxp/yocto-micledore/sources/poky/meta/recipes-devtools/binutils/binutils_2.40.bb:do_compile /mnt/960GB/nxp/yocto-micledore/sources/poky/meta/recipes-devtools/gdb/gdb_13.2.bb:do_compile /mnt/960GB/nxp/yocto-micledore/sources/poky/meta/recipes-devtools/gcc/gcc_12.3.bb:do_compile
In this case, the failed tasks must be cleaned:
$ bitbake -c cleanall binutils gdb gcc $ bitbake imx-image-core
How to rebase the Ronetix U-BOOT git repository?
Here are the steps to rebase the U-BOOT repository:
$ git clone https://github.com/ronetix/u-boot.git $ cd u-boot $ git remote add nxp https://github.com/nxp-imx/uboot-imx.git $ git fetch nxp $ git checkout remotes/origin/lf_v2023.04 -b lf_v2023.04 $ git rebase nxp/lf_v2023.04
If there are some conflicts, resolve them manually, for example:
$ vim arch/arm/mach-imx/imx9/Kconfig # fix and save $ git add arch/arm/mach-imx/imx9/Kconfig $ git commit -m "mach-imx/imx9/Kconfig : resolve merge conflict" $ git rebase --continue