#2685: Does udev populate /dev correctly?
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Reporter: bdu...@… | Owner: lfs-b...@…
Type: defect | Status: new
Priority: normal | Milestone: 6.7
Component: Bootscripts | Version: SVN
Severity: normal | Keywords:
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Comment(by hohoxu_hao115):
Hi,Andrew Benton
I saw your reply on lfs-dev, I haven't subscribed to lfs-dev mailing
list, so I reply here.
Here is what my system shows:
{{{
[hong...@houlfs-09:17:11 ~]$ ls -l /lib/udev/devices
total 12
crw-rw-rw- 1 root root 1, 3 Jun 18 2010 null1
drwxr-xr-x 2 root root 4096 Mar 25 15:23 pts
drwxr-xr-x 2 root root 4096 Mar 25 15:23 shm
drwxr-xr-x 2 root root 4096 Jun 18 09:04 testdir
[hong...@houlfs-09:14:08 devices]$ ls -dl /dev/{pts,shm,testdir,null1}
crw-rw-rw- 1 root root 1, 3 Jun 18 2010 /dev/null1
drwxr-xr-x 2 root root 0 Jun 18 2010 /dev/pts
drwxrwxrwt 2 root root 40 Jun 18 09:11 /dev/shm
drwxr-xr-x 2 root root 40 Jun 18 2010 /dev/testdir
[hong...@houlfs-09:26:51 ~]$ diff -u lfs-
bootscripts-20100529/lfs/init.d/udev /etc/rc.d/init.d/udev
--- lfs-bootscripts-20100529/lfs/init.d/udev 2010-05-29
18:41:33.000000000 +0800
+++ /etc/rc.d/init.d/udev 2010-06-18 09:26:51.207638349 +0800
@@ -34,28 +34,26 @@
# made or removed during this boot don't affect the next
one.
# The reason we don't write to mtab is because we don't
ever
# want /dev to be unavailable (such as by `umount -a').
- if ! mountpoint /dev > /dev/null; then
- mount -n -t tmpfs tmpfs /dev -o mode=755
- fi
- if [ ${?} != 0 ]; then
- echo_failure
- boot_mesg -n "FAILURE:\n\nCannot mount a tmpfs"
${FAILURE}
- boot_mesg -n " onto /dev, this system will be
halted."
- boot_mesg -n "\n\nAfter you press Enter, this
system"
- boot_mesg -n " will be halted and powered off."
- boot_mesg -n "\n\nPress Enter to continue..."
${INFO}
- boot_mesg "" ${NORMAL}
- read ENTER
- /etc/rc.d/init.d/halt stop
- fi
+ #if ! mountpoint /dev > /dev/null; then
+ # mount -n -t tmpfs tmpfs /dev -o mode=755
+ #fi
+# if [ ${?} != 0 ]; then
+# echo_failure
+# boot_mesg -n "FAILURE:\n\nCannot mount a tmpfs"
${FAILURE}
+# boot_mesg -n " onto /dev, this system will be
halted."
+# boot_mesg -n "\n\nAfter you press Enter, this
system"
+# boot_mesg -n " will be halted and powered off."
+# boot_mesg -n "\n\nPress Enter to continue..."
${INFO}
+# boot_mesg "" ${NORMAL}
+# read ENTER
+# /etc/rc.d/init.d/halt stop
+# fi
# Udev handles uevents itself, so we don't need to have
# the kernel call out to any binary in response to them
- echo > /proc/sys/kernel/hotplug
+ #echo > /proc/sys/kernel/hotplug
- # Copy the only static device node that Udev >= 155
doesn't
- # handle to /dev
- cp -a /lib/udev/devices/null /dev
+ # Copy static device nodes to /dev
# Start the udev daemon to continually watch for, and act
on,
# uevents
[hong...@houlfs-09:26:53 ~]$ udevd -V
157
}}}
It's no doubt that udev daemon will copy the files for you.
Do {pts,shm} exist under your /lib/udev/devices directory?
--
Ticket URL: <http://wiki.linuxfromscratch.org/lfs/ticket/2685#comment:2>
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