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authorChen Qi <Qi.Chen@windriver.com>2012-12-31 15:55:20 +0800
committerSaul Wold <sgw@linux.intel.com>2013-01-04 22:12:05 -0800
commit050a745413f8bb26212b84da391e0f7665f77728 (patch)
treedc19353c887aab9c88302ced1cd9caf5cb528349 /meta/recipes-core
parentebd56f6a12c55982467b34b9c4feae03358738fe (diff)
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init-live.sh: avoid duplicate mount points for the same filesystem
A live system had duplicate mount points for the same filesystem in the output of 'mount' command. That was because we didn't handle the temporary mounts properly before switch_root. This patch fixes this problem by moving the mount points of some filesystems to the corresponding directories in the real root filesystem. [YOCTO #3155] Signed-off-by: Chen Qi <Qi.Chen@windriver.com> Signed-off-by: Saul Wold <sgw@linux.intel.com>
Diffstat (limited to 'meta/recipes-core')
-rw-r--r--meta/recipes-core/initrdscripts/files/init-live.sh9
1 files changed, 5 insertions, 4 deletions
diff --git a/meta/recipes-core/initrdscripts/files/init-live.sh b/meta/recipes-core/initrdscripts/files/init-live.sh
index e8d7f70c2c..0ae359d617 100644
--- a/meta/recipes-core/initrdscripts/files/init-live.sh
+++ b/meta/recipes-core/initrdscripts/files/init-live.sh
@@ -59,10 +59,11 @@ read_args() {
boot_live_root() {
killall udevd 2>/dev/null
- # use devtmpfs if available
- if grep -q devtmpfs /proc/filesystems; then
- mount -t devtmpfs devtmpfs $ROOT_MOUNT/dev
- fi
+ # Move the mount points of some filesystems over to
+ # the corresponding directories under the real root filesystem.
+ mount -n --move /proc ${ROOT_MOUNT}/proc
+ mount -n --move /sys ${ROOT_MOUNT}/sys
+ mount -n --move /dev ${ROOT_MOUNT}/dev
cd $ROOT_MOUNT
exec switch_root -c /dev/console $ROOT_MOUNT /sbin/init