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initramfs-live-boot: Make sure we kill udev before switching root when live booting 

When live booting, we need to make sure the running udev processes are killed
to avoid unexepected behavior, we do this just before switching root,
once we do, a new udev process will be spawned from init and will take care
of whatever work was still missing

[YOCTO #9520]

(From OE-Core rev: e88d9e56952414e6214804f9b450c7106d04318d)

Signed-off-by: Alejandro Hernandez <alejandro.hernandez@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Alejandro Hernandez 2016-07-26 22:10:02 +00:00 committed by Richard Purdie
parent 7debab3e1f
commit 4f9ddb6e90
1 changed files with 3 additions and 1 deletions
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4
meta/recipes-core/initrdscripts/files/init-live.sh
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@ -80,7 +80,9 @@ read_args() {
boot_live_root() {
# Watches the udev event queue, and exits if all current events are handled
udevadm settle --timeout=3 --quiet
killall "${_UDEV_DAEMON##*/}" 2>/dev/null
# Kills the current udev running processes, which survived after
# device node creation events were handled, to avoid unexpected behavior
killall -9 "${_UDEV_DAEMON##*/}" 2>/dev/null
# Allow for identification of the real root even after boot
mkdir -p ${ROOT_MOUNT}/media/realroot