diff --git a/kdump.sysconfig.ppc64 b/kdump.sysconfig.ppc64
index af9034a..f9f5ca7 100644
--- a/kdump.sysconfig.ppc64
+++ b/kdump.sysconfig.ppc64
@@ -13,7 +13,7 @@ KDUMP_COMMANDLINE=""
 
 # This variable lets us append arguments to the current kdump commandline
 # As taken from either KDUMP_COMMANDLINE above, or from /proc/cmdline
-KDUMP_COMMANDLINE_APPEND="irqpoll maxcpus=1 noirqdistrib reset_devices"
+KDUMP_COMMANDLINE_APPEND="irqpoll maxcpus=1 noirqdistrib reset_devices cgroup_disable=memory"
 
 # Any additional kexec arguments required.  In most situations, this should
 # be left empty
@@ -26,7 +26,7 @@ KEXEC_ARGS=""
 KDUMP_BOOTDIR="/boot"
 
 #What is the image type used for kdump
-KDUMP_IMG="vmlinux"
+KDUMP_IMG="vmlinuz"
 
 #What is the images extension.  Relocatable kernels don't have one
-KDUMP_IMG_EXT="kdump"
+KDUMP_IMG_EXT=""
diff --git a/kdump.sysconfig.x86_64 b/kdump.sysconfig.x86_64
index 538c1a8..2e0eb70 100644
--- a/kdump.sysconfig.x86_64
+++ b/kdump.sysconfig.x86_64
@@ -13,7 +13,7 @@ KDUMP_COMMANDLINE=""
 
 # This variable lets us append arguments to the current kdump commandline
 # As taken from either KDUMP_COMMANDLINE above, or from /proc/cmdline
-KDUMP_COMMANDLINE_APPEND="irqpoll nr_cpus=1 reset_devices"
+KDUMP_COMMANDLINE_APPEND="irqpoll nr_cpus=1 reset_devices cgroup_disable=memory mce=off"
 
 # Any additional kexec arguments required.  In most situations, this should
 # be left empty
diff --git a/kdump_dracut_modules/99kdumpbase/module-setup.sh b/kdump_dracut_modules/99kdumpbase/module-setup.sh
index 6eaa040..f1d1336 100755
--- a/kdump_dracut_modules/99kdumpbase/module-setup.sh
+++ b/kdump_dracut_modules/99kdumpbase/module-setup.sh
@@ -71,7 +71,8 @@ install() {
                 # we are on the same subnet
                 _netdev=`echo $_netdev|awk '{print $3}'|head -n 1`
             fi
-            echo " ip=$_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
                 echo " bridge=$_netdev:$(cd /sys/class/net/$_netdev/brif/; echo *)" > ${initdir}/etc/cmdline.d/41bridge.conf
             elif is_bond "$_netdev"; then
diff --git a/kexec-tools.spec b/kexec-tools.spec
index fd07eb1..f84ca7d 100644
--- a/kexec-tools.spec
+++ b/kexec-tools.spec
@@ -1,6 +1,6 @@
 Name: kexec-tools
 Version: 2.0.3
-Release: 43%{?dist}
+Release: 45%{?dist}
 License: GPLv2
 Group: Applications/System
 Summary: The kexec/kdump userspace component.
@@ -285,6 +285,14 @@ done
 
 
 %changelog
+* Mon Apr 23 2012 Dave Young <ruyang@redhat.com> - 2.0.3-45
+- update dracut-files.tbz2
+
+* Thu Apr 19 2012 Dave Young <dyoung@redhat.com> - 2.0.3-44
+- update ppc64 sysconfig, resolve bug 811449
+- deal with nic rename issue, resolve bug 810107
+- update x86_64 sysconfig, resolve bug 813711
+
 * Wed Apr 11 2012 Cong Wang <xiyou.wangcong@gmail.com> - 2.0.3-43
 - variable name fix from Dave Young.
 
diff --git a/sources b/sources
index d8552fb..a62c276 100644
--- a/sources
+++ b/sources
@@ -1,4 +1,4 @@
 3e802d638dce0080b910f15908c04a24  kexec-tools-po.tar.gz
 b3ced2097ce3981abba38ceedc84f939  kexec-tools-2.0.3.tar.bz2
 a98917a8dab5e590549bff9fe7b3a5c2  makedumpfile-1.4.2.tar.gz
-46e5e863576723462b2d2b1b79e92423  dracut-files.tbz2
+68c1a0de35d680a6ed89576ef6cd815f  dracut-files.tbz2