38 lines
1.0 KiB
Bash
38 lines
1.0 KiB
Bash
#!/bin/sh
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# mount /dev as a devtmpfs or tmpfs, depending on current kernel capability
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# mount only, if it's not already mounted (e.g. after handover from initramfs)
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# note: some video drivers require exec access in /dev
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if ! /bin/mountpoint -q /dev ; then
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if ! /bin/sed -n '/devtmpfs/q1' /proc/filesystems ; then
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UDEVFS=devtmpfs
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else
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UDEVFS=tmpfs
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fi
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/bin/mount -n -t $UDEVFS udev /dev -o exec,nosuid,mode=0755,size=8M
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if [ $UDEVFS = "tmpfs" ]; then
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/bin/cp -a /lib/udev/devices/{console,null,kmsg} /dev/
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fi
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fi
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# make sure hotplugger is not set
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echo > /proc/sys/kernel/hotplug
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# since v155, udevd automatically copies /lib/udev/devices
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# and creates /proc/{kcore,self/fd/{0,1,2}} symlinks
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# launch udev daemon
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/sbin/udevd --daemon
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# coldplug devices and wait for the queue to be processed
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/sbin/udevadm trigger --type=subsystems --action=add
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/sbin/udevadm settle
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/sbin/udevadm trigger --type=devices --action=add
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/sbin/udevadm settle
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# retry any failures
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/sbin/udevadm trigger --type=failed --action=add
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/sbin/udevadm settle
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