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deal with nic rename issue

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Resolves: bz810107

in case nic renaming we will failed to bring up network.
Resolve this issue by pass mac addr to 2nd kernel cmdline, let dracut deal
with the udev rename
[v1->v2]: amwang: use ip instead of ifconfig

Signed-off-by: Dave Young <dyoung@redhat.com>
This commit is contained in:
Dave Young 2012-04-18 11:12:17 +08:00
parent b58723d935
commit 68da2e965e
1 changed files with 2 additions and 1 deletions
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3
kdump_dracut_modules/99kdumpbase/module-setup.sh
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@ -71,7 +71,8 @@ install() {
# we are on the same subnet # we are on the same subnet
_netdev=`echo $_netdev|awk '{print $3}'|head -n 1` _netdev=`echo $_netdev|awk '{print $3}'|head -n 1`
fi fi
echo " ip=$_netdev:dhcp rd.neednet=1" > ${initdir}/etc/cmdline.d/40ip.conf _netmac=`ip addr show $_netdev 2>/dev/null|awk '/ether/{ print $2 }'`
echo " ip=$_netdev:dhcp ifname=$_netdev:$_netmac rd.neednet=1" > ${initdir}/etc/cmdline.d/40ip.conf
if is_bridge "$_netdev"; then if is_bridge "$_netdev"; then
echo " bridge=$_netdev:$(cd /sys/class/net/$_netdev/brif/; echo *)" > ${initdir}/etc/cmdline.d/41bridge.conf echo " bridge=$_netdev:$(cd /sys/class/net/$_netdev/brif/; echo *)" > ${initdir}/etc/cmdline.d/41bridge.conf
elif is_bond "$_netdev"; then elif is_bond "$_netdev"; then