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It can be useful for debugging to override the default /sbin/init.
This is something typically done via the init boot parameter which
then gets interpreted by the kernel. But when using an initramfs, it
is the initramfs which must react to the option.
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Default is to mount the rootfs read/write. "ro" can be used to turn
that into read-only, which is useful on systems where userspace does
an fsck before remounting read-write.
Giving both "ro" and "rw" will still mount read-only regardless of the
order, because the ordering information is not preserved by the
initramfs-framework's boot param support.
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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These two parameters are supported by the kernel
(https://www.kernel.org/doc/Documentation/kernel-parameters.txt). When
an initramfs is used, the kernel does not mount the rootfs and the
initramfs needs to react to them.
The boot parameters can be set both by the image creator and
by users.
Supporting these two parameters is useful:
- rootflags is needed to ensure that the rootfs is already mounted as
intended in the time between starting init and init remounting
it (as systemd does); this is critical for IMA where iversion must be
active already when system starts writing files.
- setting it correctly up-front avoids messages from the kernel ("cannot
mount ... as ext2 because ...") when trying to guess the desired type.
For example, assuming that only one of ext4/ext3/ext2 is set,
rootfstype could be set in an image recipe with:
APPEND_append = "${@''.join([' rootfstype=' + i for i in ['ext4', 'ext3', 'ext2'] if i in d.getVar('IMAGE_FSTYPES', True).split()])}"
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Kernel parameters like "uvesafb.mode_option=640x480-32" were turned
into shell variables named "bootparam_uvesafb.mode_option", which
triggered errors from the shell because the name is not valid. Now
points get replaced with underscores, leading to
bootparam_uvesafb_mode_option in this example.
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Some kernels, for example linux-yocto 3.19 for qemux86, fail to
execute /init in an initramfs unless there is already a /dev/console
char device in the initramfs. Booting then fails with:
Kernel panic - not syncing: /dev/console is missing or not a character device!
Please ensure your rootfs is properly configured
The panic itself comes from a linux-yocto specific patch to
kernel_init_freeable in init/main.c, but even without it, that
function will print an error when /dev/console is missing. The
kernel's Documentation/initrd.txt also mentions creating that device.
It remained unclear why this is not a problem on other machines. On
intel-corei7-64 from meta-intel, something (the kernel?) creates
/dev/console and /dev/[012] before transfering control to the init
script. In that case, creating /dev/console in advance is not
necessary, but does not cause any problem either.
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Some kernels, for example linux-yocto 3.19 for qemux86, fail to
execute /init in an initramfs unless there is already a /dev/console
char device in the initramfs. Booting then fails with:
Kernel panic - not syncing: /dev/console is missing or not a character device!
Please ensure your rootfs is properly configured
The panic itself comes from a linux-yocto specific patch to
kernel_init_freeable in init/main.c, but even without it, that
function will print an error when /dev/console is missing. The
kernel's Documentation/initrd.txt also mentions creating that device.
It remained unclear why this is not a problem on other machines. On
intel-corei7-64 from meta-intel, something (the kernel?) creates
/dev/console and /dev/[012] before transfering control to the init
script. In that case, creating /dev/console in advance is not
necessary, but does not cause any problem either.
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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In case there is no installation device present, give a better
message to the user and abort installation.
[YOCTO #7971]
Signed-off-by: Leonardo Sandoval <leonardo.sandoval.gonzalez@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Platforms which have the capability of using the MMC as an
installer medium will present the same MMC device as an
installation candidate. This happens because the MMC
devices appear as mmcblk<X> and the current script strips
up the <X> which is needed to identify an MMC device
uniqely.
This patch now updates the way device identifier stripping
is done and handles the exclusion of installer device from
installation candidates more generically.
Signed-off-by: Awais Belal <awais_belal@mentor.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Fixed deletion of the partition table by increasing
amount of sectors from 2(correct for msdos PT) to 35 as
GPT size is 34 sectors + 1 sector for protective MBR.
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
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Shortened code by including /dev/ prefix into variable.
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
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Cleaned up spaces from init-install* shell scripts.
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
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parted allows to use names for partitions if GPT partition table
is used on the device. msdos partitioning can have only partition
types: 'primary', 'logical' or 'extended'.
Used meaningful partition names in parted command line for GPT
partitioning.
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
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Explicitly specified filesystem type for parted mkpart command.
This makes partition table to look more informative.
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
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Used partition UUID in kernel command line to specify root partition.
Searched root device by file system uuid in GRUB configuration.
Used partition UUID in /etc/fstab to specify swap partition.
Used filesystem UUID in /etc/fstab to specify boot partition.
[YOCTO #6101]
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
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Changed partition type from 'msdos' to 'gpt'.
Added special partition for grub stage2 bootloader.
NOTE: This is done only for GRUB 2 as legacy GRUB is
rarely used and doesn't support GPT partitions.
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
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Using UUID in favor of device names is more reliable as
UUID names are persistent.
Device names can change as the order of adding device nodes
is arbitrary. This sometimes results in device names switching
on each boot, which can cause system fail to boot.
Persistent naming solves these issues.
Used partition UUID in kernel command line to specify root partition.
Used partition UUID in /etc/fstab to specify swap partition.
Used filesystem UUID in /etc/fstab to specify boot partition.
[YOCTO #6101]
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
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Added util-linux-blkid to the list of dependencies of
initramfs-live-install and initramfs-live-install-efi.
This is a part of the work to support partiion UUID in installer.
blkid is going to be used to get partition and filesystem UUIDs.
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
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The init script that invokes install and install-efi scripts
passes the first parameter that identifies the boot drive but
in cases when this disk is labeled and kernel configurations
allow disk labeling under /run/media/ this would pass the disk
label.
The earlier implementation considered that the drive name will
be passed and in case the label is passed it fails and provides
the boot drive as an option for installation driver.
We now use a more generic approach to identify the boot drive
which can handle both drive name as well as label if passed.
Signed-off-by: Awais Belal <awais_belal@mentor.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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After selecting the "install" gummiboot option of a Live image we are
seeing boot failure resulting from the gummiboot entries not being
installed correctly. This seems to be a problem in this init-install-efi.sh
script where it incorrectly installs the gummiboot entries into the root
filesystem, not the boot partition. We fix it by installing the entries in
the boot partition.
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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After removal of auto-creating S we must ensure that all recipes are
using a proper value for S.
Fix all recipes that only need to set S equals to WORKDIR.
[YOCTO #5627]
Signed-off-by: Petter Mabäcker <petter@technux.se>
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Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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This is needed in case the boot disk was created with mkdiskimage.
In that case the parameter passed is a variant of /dev/sda4 which
includes the partition number. Without this change this install script
will offer to install onto the live media.
Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Some mmc cards do not have all the data files in /sys/block
populated. Check for existence before displaying the files
to avoid erroring out of the install process.
Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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There are cases where software after boot may need to know the
current boot disk. Under the current system, it is not guaranteed
which disk is the boot. While /media/sda is a good guess, it
isn't always right, nor is it a good assumption that only one boot
disk is in the system. This gives a standard path to the original
boot disk mount which can be used to, for instance, update the
syslinux file on the boot media with a newer kernel, or updating
the boot parameters to add user options for future boots. Knowing
which disk is the boot media keeps from updating the non-boot
disk when for instance multiple syslinux boot medias are plugged in
(ie ensure correct syslinux is updated when the booted system is
updated).
Signed-off-by: Brian Lloyd <blloyd@familyhonor.net>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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(This patch was originally done against init-install.sh in
OE-Core rev 358f0584d779825307eec08c023b5ff14e72cf9e)
Previously, only unremovable hard drives are searched and are treated
as candidates of target disks to intall into.
However, it's possible that we're going to install the live image into
a removable media such as an USB. This patch enables this possibility.
In addition, this patch presents more information about the hard drives
so that user may have more knowledge about which hard drive they are
going to install their image into.
Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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(This patch was originally done against init-install.sh in
OE-Core rev aa67b1333b4774e1845f562085f7048df65a644f)
Previously, the boot partition was created for the target hard drive
but there was no corresponding entry for it in /etc/fstab. Besides,
even if the boot partition was mounted, it would just result in odd
directory hierarchy like /boot/boot/grub. However, what we really need
is /boot/grub. This patch fixes this problem.
Besides, for future maintance work, this patch also renames some of the
intermediate directories. It uses more descriptive names like /tgt_root
and /src_root. The name of /ssd is dropped.
Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Some mmc cards do not have all the data files in /sys/block
populated. Check for existence before displaying the files
to avoid erroring out of the install process.
Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Add a hotkey for the GRUB 'test' menuentry. This can be used by expect scripts to boot into 'test' when doing runtime hardware tests.
Signed-off-by: Corneliu Stoicescu <corneliux.stoicescu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The init-live.sh scripts assumes that the boot label set by
the LABELS variable is either "boot", "install", or
"install-efi". If that variable is overridden to something else
we fall off the end of the case statement and the system locks
up. If the boot label is unknown, at least attempt to boot.
Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Now that udev-utils package has been removed and 'udevadm' has been
moved to udev package, the initramfs-framework should also get rid
of the udev-utils package.
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Also small cosmetic changes.
Signed-off-by: Cristian Iorga <cristian.iorga@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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_EOF marker was not used properly
(space left before end of line).
Signed-off-by: Cristian Iorga <cristian.iorga@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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already exist
Overwriting of /etc/mtab would fail as below if the /etc/mtab link already
exist during installation phase, this patch fix this problem by checking
existance of the link before try to overwrite it.
Error message during installation if the /etc/mtab exists:
"cat: /proc/mounts: input file is output file"
Signed-off-by: Cristian Iorga <cristian.iorga@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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For automated hardware testing, boot process control
via serial interface is needed. As such, in grub, serial
line support is added upon testmaster image install.
Also add a specific timeout to automatically start
the master image upon start of testing phase.
Tested on multiple hardware targets without issues.
Signed-off-by: Cristian Iorga <cristian.iorga@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Overwriting of /etc/mtab would fail as below if the /etc/mtab link already
exist during installation phase, this patch fix this problem by checking
existance of the link before try to overwrite it.
Error message during installation if the /etc/mtab exists:
"cat: /proc/mounts: input file is output file
Signed-off-by: Shan Hai <shan.hai@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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We have this in recipes-bsp/grub/grub/40_custom:
[snip]
menuentry "Linux" {
set root=(hd0,1)
linux /vmlinuz root=__ROOTFS__ rw __CONSOLE__ __VIDEO_MODE__ __VGA_MODE__ quiet
}
[snip]
These lines are only for initrdscripts/files/init-install.sh, the side
effect is that it would make the target's grub-mkconfig doesn't work
well since the 40_custom will be installed to /etc/grub.d/40_custom, the
grub-mkconfig will run the 40_custom, and there will always be a
'menuentry "Linux"' menu in grub.cfg no matter it is valid or not, we
can do this in init-install.sh rather than grub to fix the problem,
which is also much simpler.
We have done the related work in init-install.sh, now we need remove our own
40_custom, and use grub's own 40_custom which is the right one.
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Roy Li <rongqing.li@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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We have this in recipes-bsp/grub/grub/40_custom:
[snip]
menuentry "Linux" {
set root=(hd0,1)
linux /vmlinuz root=__ROOTFS__ rw __CONSOLE__ __VIDEO_MODE__ __VGA_MODE__ quiet
}
[snip]
These lines are only for initrdscripts/files/init-install.sh, the side
effect is that it would make the target's grub-mkconfig doesn't work
well since the 40_custom will be installed to /etc/grub.d/40_custom, the
grub-mkconfig will run the 40_custom, and there will always be a
'menuentry "Linux"' menu in grub.cfg no matter it is valid or not, we
can do this in init-install.sh rather than grub to fix the problem,
which is also much simpler.
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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mount.sh in udev-extraconf was modified to use /run/media instead
of /media. Unfortunately, our scripts in initrdscripts have some
dependency on the auto-mounting mechanism proviced by udev-extraconf.
So these scripts should also be fixed to use /run/media instead /media,
otherwise, our live image cannot work correctly.
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Instead of using 'ls /dev/sd*' command to list block devices, we
should rather use 'cat /proc/partitions'.
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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These are meant to be used by a master image, for a simple
initial setup.
The install scripts are similar to the default ones, but:
- custom partitioning, replaces the swap partiton with a second root filesystem
- adds labels to the partitions
- preconfigures a boot loader entry for the second rootfs
Part of [YOCTO #5614]
Signed-off-by: Stefan Stanacar <stefanx.stanacar@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Adds a gummiboot class similar to grub-efi class and makes the necessary
changes so it can be used for live/hddimg images as well.
One can set EFI_PROVIDER = "gummiboot" in local.conf to use gummiboot instead of grub-efi.
Gummiboot requires some kernel options that are not enabled by default, so one has to build
with KERNEL_FEATURES_append = " cfg/efi-ext".
The install scripts have been updated too, keeping the old behaviour around,
but accounting for the new boot loader config files (if they exist).
It can be argued that the installer and bootimg are a bit wierd and not necessarily correct,
but I wanted to have the exact same behviour with gummiboot.
With the default EFI_PROVIDER = "grub-efi" nothing changes, everthing should be just as before.
I've tested live boot, install and normal boot on:
- FRI2
- genericx86-64 on NUC
with:
EFI_PROVIDER = "gummiboot"
KERNEL_FEATURES_append = " cfg/efi-ext"
in local.conf.
Signed-off-by: Stefan Stanacar <stefanx.stanacar@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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This allows for setting the ROOT_IMAGE name on the kernel command line
[YOCTO #5387]
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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init-live.sh: $CMDLINE variable should be provided to switch_root
to let user specify runlevel on grub command line.
Feeding with -c /dev/console as well as busybox switch_root enables that option.
Signed-off-by: Krzysztof Sywula <krzysztof.m.sywula@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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A lot of our recipes had short one-line DESCRIPTION values and no
SUMMARY value set. In this case it's much better to just set SUMMARY
since DESCRIPTION is defaulted from SUMMARY anyway and then the SUMMARY
is at least useful. I also took the opportunity to fix up a lot of the
new SUMMARY values, making them concisely explain the function of the
recipe / package where possible.
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
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The '-c DEV' option is specific to the switch_root provided by busybox.
switch_root from util-linux doesn't recognize this option. As a result,
if we we this init-live.sh script together with util-linux, we would get
a kernel panic when executing switch_root.
Besides, this option doesn't seem to have any useful effect as far as I
can see. Removing it doesn't affect the behaviours of our live images.
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Test that filter backup module files (files starting with ~)
was accidentally reversed in e6039e6e3b98d6ab91252a5012d76279b1fac6e8,
this patch restore initial behavior.
Signed-off-by: Michaël Burtin <michael.burtin@innotis.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Fixes [YOCTO #5233]
Modeled after Chen Qi's fix to [YOCTO #3924] from oe-core commit:
6b6db7b4fb7aa17b8e29076decc830149b9d35bc
init-install.sh: remove unnecessary udev rules file to avoid error messages
/etc/udev/scripts/mount.sh is removed by init-install-efi.sh, but the
udev rules file which specifies the invocation of this script is not
removed, thus causing the error message during a live install:
/etc/udev/scripts/mount.sh: No such file or directory
The /etc/udev/rules/automount.rules no longer works once the mount.sh
script is removed. Remove it to avoid the error message.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Cc: mihaix.lindner@linux.intel.com
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Fixes [YOCTO #5237]
The current grub.cfg manipulation depends on an existing root=
parameter. If this doesn't exist, the correct root= parameter will not
be added.
Instead, remove any existing root= parameters and add the correct one
explicitly.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Cc: mihaix.lindner@linux.intel.com
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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systemd-udevd is back in /lib, so revert this change.
This reverts commit 27bb516be433ed9dcde6fe4a17d2429951a010a0.
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The iso and hddimg share a common concept of 'live image', and they
use the same initramfs and thus the same init. However, that init
script in initramfs made a wrong assumption that the rootfs image
was read-only by itself. This is apparently not true for hddimg.
To make things work as expected, this init script should at least
distinguish between a read-only rootfs image and a read-write one.
This patch adds this ability to the init script. After this change,
the init script would be able to check whether the rootfs image is
read-only or not. If the rootfs image is read-write, the image will
be mounted and then booted directly. No union mounts will be attempted
in this case.
[YOCTO #5164]
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Patrick Ohly
Leonardo Sandoval
Awais Belal
Ed Bartosh
Reinette Chatre
Petter Mabäcker
Drew Moseley
Brian Lloyd
Corneliu Stoicescu
Chen Qi
Cristian Iorga
Shan Hai
Roy Li
Robert Yang
Stefan Stanacar
Saul Wold
Krzysztof Sywula
Paul Eggleton
Michaël Burtin
Darren Hart
Ross Burton