core/udev/start_udev
Juergen Daubert 8ebfc91b76 udev: update to 173
to avoid a warnig on system start the deprecated call of udevadm
 'udevadm trigger --type=failed'
is no longer used.

See
http://thread.gmane.org/gmane.linux.hotplug.devel/16695
http://thread.gmane.org/gmane.linux.hotplug.devel/17011
2011-08-03 10:57:42 +02:00

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#!/bin/sh
# - if /dev is not mounted - mount as a devtmpfs (CONFIG_DEVTMPFS=y) or tmpfs
# - if /dev is mounted (e.g. due to handover from initramfs or
# CONFIG_DEVTMPFS_MOUNT=y), remount with specific options
# - some video drivers require exec access in /dev, thus it's set here
# - for completness, we add few sanity limits (2k non-empty files, 16k inodes)
UDEVOPTS="exec,nosuid,noatime,mode=0755,nr_blocks=2048,nr_inodes=16384"
if /bin/mountpoint -q /dev ; then
/bin/mount -n -o remount,${UDEVOPTS} dev /dev
else
if /bin/sed -n '/devtmpfs/q1' /proc/filesystems ; then
UDEVFS=tmpfs
else
UDEVFS=devtmpfs
fi
/bin/mount -n -t $UDEVFS -o ${UDEVOPTS} dev /dev
fi
# make sure hotplugger is not set
echo > /proc/sys/kernel/hotplug
# since v155, udevd automatically copies /lib/udev/devices
# and creates /proc/{kcore,self/fd/{0,1,2}} symlinks
# launch udev daemon, make sure it's not running first
test -z "$(/bin/pidof -s udevd)" && /sbin/udevd --daemon
# coldplug devices and wait for the queue to be processed
/sbin/udevadm trigger --type=subsystems --action=add
/sbin/udevadm trigger --type=devices --action=add
/sbin/udevadm settle