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

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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)

(From OE-Core rev: e5190cdcf4efe5e80967bded13ef8e530811b0ec)

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>
Signed-off-by: Armin Kuster <akuster808@gmail.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 c594ff73ab
commit 6ac72e8be2
1 changed files with 3 additions and 1 deletions
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meta/recipes-core/initrdscripts/files/init-live.sh
+3 -1
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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