Hi, I noticed we do not document INITRAMFS_MAXSIZE in the ref-manual. Should we be?
Thanks, Scott On Mon, Jan 25, 2016 at 12:45 AM, Robert Yang <liezhi.y...@windriver.com> wrote: > Usually, the initramfs' maxsize can be 1/2 of ram size since modern > kernel uses tmpfs as initramfs by dafault, and tmpfs allocates 1/2 of > ram by default at boot time, which will be used to locate the initramfs. > > Set INITRAMFS_MAXSIZE to 131072K (128M) by default (ram 256M), the > initramfs is small usually, for example, core-image-minimal-initramfs is > about 21M (uncompressed, 17M * 1.3) by default, but if the user add a > lot pkgs to initramfs, we can error and stop to let the user know ealier > rather than fail to boot (e.g., OOM-killer) at boot time. > > Please see the bug for more info: > https://bugzilla.yoctoproject.org/show_bug.cgi?id=5963 > > [YOCTO #5963] > > Signed-off-by: Robert Yang <liezhi.y...@windriver.com> > --- > meta/classes/image.bbclass | 14 +++++++++++++- > meta/conf/bitbake.conf | 6 ++++++ > 2 files changed, 19 insertions(+), 1 deletion(-) > > diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass > index 3870516..30d1173 100644 > --- a/meta/classes/image.bbclass > +++ b/meta/classes/image.bbclass > @@ -423,6 +423,9 @@ def get_rootfs_size(d): > rootfs_req_size = int(d.getVar('IMAGE_ROOTFS_SIZE', True)) > rootfs_extra_space = eval(d.getVar('IMAGE_ROOTFS_EXTRA_SPACE', True)) > rootfs_maxsize = d.getVar('IMAGE_ROOTFS_MAXSIZE', True) > + image_fstypes = d.getVar('IMAGE_FSTYPES', True) or '' > + initramfs_fstypes = d.getVar('INITRAMFS_FSTYPES', True) or '' > + initramfs_maxsize = d.getVar('INITRAMFS_MAXSIZE', True) > > output = subprocess.check_output(['du', '-ks', > d.getVar('IMAGE_ROOTFS', True)]) > @@ -443,8 +446,17 @@ def get_rootfs_size(d): > if rootfs_maxsize: > rootfs_maxsize_int = int(rootfs_maxsize) > if base_size > rootfs_maxsize_int: > - bb.fatal("The rootfs size %d(K) overrides the max size %d(K)" > % \ > + bb.fatal("The rootfs size %d(K) overrides > IMAGE_ROOTFS_MAXSIZE: %d(K)" % \ > (base_size, rootfs_maxsize_int)) > + > + # Check the initramfs size against INITRAMFS_MAXSIZE (if set) > + if image_fstypes == initramfs_fstypes != '' and initramfs_maxsize: > + initramfs_maxsize_int = int(initramfs_maxsize) > + if base_size > initramfs_maxsize_int: > + bb.error("The initramfs size %d(K) overrides > INITRAMFS_MAXSIZE: %d(K)" % \ > + (base_size, initramfs_maxsize_int)) > + bb.error("You can set INITRAMFS_MAXSIZE a larger value. > Usually, it should") > + bb.fatal("be less than 1/2 of ram size, or you may fail to > boot it.\n") > return base_size > > python set_image_size () { > diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf > index 7451eb8..e80ee18 100644 > --- a/meta/conf/bitbake.conf > +++ b/meta/conf/bitbake.conf > @@ -712,7 +712,13 @@ require conf/sanity.conf > DL_DIR ?= "${TOPDIR}/downloads" > SSTATE_DIR ?= "${TOPDIR}/sstate-cache" > IMAGE_FSTYPES ?= "tar.gz" > + > INITRAMFS_FSTYPES ?= "cpio.gz" > +# The maximum size in Kbytes for the generated initramfs image size. > +# Usually, it should be less than 1/2 of ram size, or you may fail to > +# boot it. > +INITRAMFS_MAXSIZE ??= "131072" > + > DEFAULT_TASK_PROVIDER ?= "packagegroup-base" > MACHINE_TASK_PROVIDER ?= "${DEFAULT_TASK_PROVIDER}" > > -- > 1.7.9.5 > > -- > _______________________________________________ > Openembedded-core mailing list > Openembedded-core@lists.openembedded.org > http://lists.openembedded.org/mailman/listinfo/openembedded-core >
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