From aeb42568b05029c109bdde77e686d3f89309b717 Mon Sep 17 00:00:00 2001
From: Dirk
Date: Sun, 25 May 2014 23:25:23 +0200
Subject: Required changes to fix the device autodiscovery and setup.

---
 src/initramfs/scripts/bin/hwautocfg | 19 ++++++++-----------
 src/initramfs/scripts/init          | 30 +++---------------------------
 2 files changed, 11 insertions(+), 38 deletions(-)

diff --git a/src/initramfs/scripts/bin/hwautocfg b/src/initramfs/scripts/bin/hwautocfg
index 4ec42c4a..92d69943 100755
--- a/src/initramfs/scripts/bin/hwautocfg
+++ b/src/initramfs/scripts/bin/hwautocfg
@@ -24,9 +24,8 @@ for tool in /usr/sbin/acpidump \
               echo -e "#!/bin/sh" >${tool}
               chmod u+x ${tool}
 done
-# no kernel messages, switch on hotplug via /sbin/mdev
+# no kernel messages
 echo "0 0 0 0" >/proc/sys/kernel/printk
-echo "/sbin/mdev" >/proc/sys/kernel/hotplug
 echo -e "(control[A-Z])([0-9]) 0:0 660 =snd/\n(pcm[A-Z][0-9][A-Z][0-9][cp]) 0:0 660 =snd/\n\
 (hw[A-Z0-9]*) 0:0 660 =snd/\ncard[0-9] 0:0 660 =dri/\n(event|mouse)[0-9] 0:0 640 =input/\n\
 (control[A-Z])([0-9]+) 0:0 660 =dri/\n" >>/etc/mdev.conf
@@ -62,7 +61,7 @@ elif [ -e /etc/init-hooks/00-started/xserver.sh -o \
          modprobe -a ${MODPRV} r128 savage sis tdfx ttm via
          ;;
     esac
-    modprobe -a drm fbcon; mdev -s ) & 
+    modprobe -a drm fbcon ) & 
 fi
  
 # check and then load appropriate network card modules
@@ -76,7 +75,7 @@ grep modprobe /etc/hwinfo.netcard-usbctrl | grep -E "$nwcardlist|hcd" \
 if [ $(grep -ic "virtio_pci" /etc/modprobe.base) -ge 1 ]; then
   echo 'modprobe ${MODPRV} virtio_net' >>/etc/modprobe.base
 fi
-sh /etc/modprobe.base; mdev -s
+sh /etc/modprobe.base
 
 # optimization possible: exclude network and usb base drivers from the
 # following list (bios detection for non-hwautocfg component)
@@ -88,7 +87,7 @@ echo -e "ext3\next2\nreiserfs\nxfs\njfs\next4\nvfat" >/etc/filesystems
 # request a local block device for config and root filesystem (lbd://)
 if grep -iq '"lbd://' /proc/cmdline /etc/initramfs-setup; then
   modprobe -a ${MODPRV} ehci_hcd usb-storage sd_mod
-  mdev -s
+  
 fi
 return 0
 }
@@ -105,7 +104,7 @@ sed '/Driver Info #1/,/Config Status:/d' /etc/hwinfo.data | grep modprobe \
   | sed "s|.* Cmd: \"||;s|\"|$modloadbg|;s|modprobe|modprobe -b ${MODPRV}|" \
   | sort -u >/etc/modprobe.pci
 sh /etc/modprobe.pci
-mdev -s
+
 
 # bluetooth setup (start it later if present, depends on firmware availa-
 # bility, interpreted by servconfig)
@@ -123,7 +122,7 @@ mdev -s
 modprobe ${MODPRV} ide-cd 2>/dev/null
 modprobe ${MODPRV} sr_mod 2>/dev/null
 modprobe ${MODPRV} ide-floppy 2>/dev/null
-mdev -s
+
 
 # load kernel module for ps2 mice and map the mousehandler to /dev/input/mice
 ( [ -f /lib/modules/${KERNEL}/kernel/drivers/input/mouse/psmouse.ko ] && \
@@ -152,7 +151,7 @@ hwinfo --scanner >/etc/hwinfo.scanner
 modprobe ${MODPRV} parport_pc && modprobe ${MODPRV} ppdev
 
 # if any new device appeared up to now
-mdev -s
+
 return 0
 }
 #############################################################################
@@ -226,7 +225,7 @@ fi
 #############################################################################
 # cleanup/finishing part
 finish () {
-mdev -s
+
 # mount filesystem parts (if any) requested in disk setup
 [ -f /etc/do_mnt ] && \
   { sed -e "1i. /etc/functions" -i /etc/do_mnt; sh /etc/do_mnt; } &
@@ -285,12 +284,10 @@ case $1 in
   disk)
     # try to enable compressed RAM SWAP / ZRAM
     if modprobe ${MODPRV} ramzswap 2>/dev/null && [ -f /usr/bin/rzscontrol ] ; then
-      mdev -s
       rzscontrol /dev/ramzswap0 --init
       swapon /dev/ramzswap0 2>/dev/null
       #hdswap="# disk swap disabled because of enabled compressed ramswap"
     elif modprobe ${MODPRV} zram 2>/dev/null ; then
-      mdev -s
       # assign a quarter of total mem to zram
       echo $(( $(free -k | awk '/^Mem:/ { print $2 }') * 256 )) > /sys/block/zram0/disksize
       mkswap /dev/zram0 2>/dev/null
diff --git a/src/initramfs/scripts/init b/src/initramfs/scripts/init
index a4a41629..dd5c8d60 100755
--- a/src/initramfs/scripts/init
+++ b/src/initramfs/scripts/init
@@ -20,7 +20,7 @@ export PATH=/bin:/sbin:/usr/bin/:/usr/sbin
 
 # device files get their own filesystem (to be move mounted later)
 devdir="/dev"
-mount -n -t tmpfs -o 'size=25%,mode=0755' initramfsdevs ${devdir}
+mount -n -t devtmpfs -o 'size=25%,mode=0755' initramfsdevs ${devdir}
 
 mkdir -p /run
 mount -n -t tmpfs -o 'mode=755' run "/run"
@@ -29,26 +29,8 @@ mount -n -t tmpfs -o 'mode=755' run "/run"
 [ ! -f /proc/cpuinfo ] && mount -n -t proc proc /proc
 [ ! -d /sys/class ] && mount -n -t sysfs sysfs /sys
 
-# create basic device files an directories (in dev - for most hardware related
-# devices mdev should handle that)
-for i in "/dev/mem c 1 1" "/dev/null c 1 3" "/dev/zero c 1 5" \
-         "/dev/urandom c 1 9" "/dev/kmsg c 1 11" "/dev/tty0 c 4 0" \
-         "/dev/tty1 c 4 1" "/dev/tty2 c 4 2" "/dev/tty3 c 4 3" \
-         "/dev/tty4 c 4 4" "/dev/tty5 c 4 5" "/dev/tty6 c 4 6" \
-         "/dev/tty7 c 4 7" "/dev/tty8 c 4 8" "/dev/tty9 c 4 9" \
-         "/dev/tty10 c 4 10" "/dev/tty c 5 0" "/dev/console c 5 1" \
-         "/dev/ptmx c 5 2" "/dev/psaux c 10 1" "/dev/agpgart c 10 175" \
-         "/dev/fb0 c 29 0" "/dev/xconsole p"; do
-  mknod $i
-done
 mkdir -p ${devdir}/pts ${devdir}/shm ${devdir}/.udevdb ${devdir}/.udev \
   ${devdir}/.initramfs /var/log
-# create some standard links (expected?) in /dev
-ln -s /proc/kcore /dev/core
-ln -s /proc/self/fd /dev/fd
-ln -s /proc/self/fd/0 /dev/stdin
-ln -s /proc/self/fd/1 /dev/stdout
-ln -s /proc/self/fd/2 /dev/stderr
 
 mount -t devpts devpts /dev/pts
 
@@ -56,10 +38,6 @@ mount -t devpts devpts /dev/pts
 getty -i -n -l /bin/cat 38400 tty10 &
 setlogcons 10
 
-# start device auto discovery/setup service of busybox
-echo "# Set mdev behaviour in either init or hwautocfg" >/etc/mdev.conf
-mdev -s
-
 # source functions file common for all distros, messages contains all error
 # and info output (for some reason the error output is not produced properly
 # - crash)
@@ -523,7 +501,6 @@ if [ -n "${bldmod}" ] ; then
   for module in ${bldmod} ; do
     modprobe ${MODPRV} ${module} || error "$init_errbld"
   done
-  mdev -s
   [ -z "$bldrfst" ] && bldrfst=squashfs
   bldhost=$(checkip $bldhost)
   if [ $DEBUGLEVEL -eq 20 ] ; then
@@ -656,7 +633,6 @@ if [ -n "${bldmod}" ] ; then
     modprobe ${MODPRV} cowloop || {
       error "$init_loadcow" nonfatal
       unset cowloop; }
-    [ -x /bin/mdev ] && mdev -s
   fi
   if [ -n "${cowloop}" ] ; then
     if [ -n "${unionfs}" -o -n "${aufs}" ] ; then
@@ -937,8 +913,8 @@ done
 chown 65534:0 /mnt/var/lib/nobody
 echo -e "# /etc/fstab - file generated by $0 (initramfs from $date)\n#\
 \tOpenSLX Project, info@openslx.com\n\nrootfs\t\t/\t\trootfs\t\tro\t\t 0 0\n\
-proc\t\t/proc\t\tproc\t\tdefaults\t 0 0\ninitramdevs\t/dev\t\ttmpfs\
-\t\trw\t\t 0 0\ndevpts\t\t/dev/pts\tdevpts\t\tmode=0620,gid=5\t 0 0" \
+proc\t\t/proc\t\tproc\t\tdefaults\t 0 0\ninitramdevfs\t/dev\t\tdevtmpfs\
+\trw\t\t 0 0\ndevpts\t\t/dev/pts\tdevpts\t\tmode=0620,gid=5\t 0 0" \
   >/mnt/etc/fstab || error "$init_fstab"
 echo -e "rootfs / rootfs rw 0 0\ninitramdevs /dev tmpfs rw\
  0 0" > /mnt/etc/mtab
-- 
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