[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH v2 0/3] Yocto Gitlab CI
On Mon, 17 Oct 2022, Bertrand Marquis wrote: > Hi Stefano, > > > On 14 Oct 2022, at 21:27, Stefano Stabellini <sstabellini@xxxxxxxxxx> wrote: > > > > On Wed, 12 Oct 2022, Bertrand Marquis wrote: > >> This patch series is a first attempt to check if we could use Yocto in > >> gitlab ci to build and run xen on qemu for arm, arm64 and x86. > >> > >> The first patch is creating a container with all elements required to > >> build Yocto, a checkout of the yocto layers required and an helper > >> script to build and run xen on qemu with yocto. > >> > >> The second patch is creating containers with a first build of yocto done > >> so that susbsequent build with those containers would only rebuild what > >> was changed and take the rest from the cache. > >> > >> The third patch is adding a way to easily clean locally created > >> containers. > >> > >> This is is mainly for discussion and sharing as there are still some > >> issues/problem to solve: > >> - building the qemu* containers can take several hours depending on the > >> network bandwith and computing power of the machine where those are > >> created > >> - produced containers containing the cache have a size between 8 and > >> 12GB depending on the architecture. We might need to store the build > >> cache somewhere else to reduce the size. If we choose to have one > >> single image, the needed size is around 20GB and we need up to 40GB > >> during the build, which is why I splitted them. > >> - during the build and run, we use a bit more then 20GB of disk which is > >> over the allowed size in gitlab > >> > >> Once all problems passed, this can be used to build and run dom0 on qemu > >> with a modified Xen on the 3 archs in less than 10 minutes. > > > > The build still doesn't work for me. I found the reason: > > > > create archive failed: cpio: write failed - Cannot allocate memory > > > > It is a "silly" out of memory error. I tried to solve the problem by > > adding: > > > > export RPM_BUILD_NCPUS=8 > > > > at the beginning of build-yocto.sh but it didn't work. I realize that > > this error might be considered a workstation configuration error at my > > end but I cannot find a way past it. Any suggestions? > > > Can you give me more details on when this is happening ? Ie the full logs. > > Can you try to apply the following: > --- a/automation/build/yocto/build-yocto.sh > +++ b/automation/build/yocto/build-yocto.sh > @@ -107,6 +107,9 @@ IMAGE_INSTALL:append:pn-xen-image-minimal = " > ssh-pregen-hostkeys" > # Save some disk space > INHERIT += "rm_work" > > +# Reduce number of jobs > +BB_NUMBER_THREADS=2 > + > EOF > > if [ "${do_localsrc}" = "y" ]; then > > This should reduce the number of parallel jobs during Yocto build. It should be BB_NUMBER_THREADS="2" but that worked! Let me a couple of more tests.
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