diff --git a/xCAT-server/lib/xcat/plugins/genimage.pm b/xCAT-server/lib/xcat/plugins/genimage.pm
index 3f068bb3f..e3959b1c5 100644
--- a/xCAT-server/lib/xcat/plugins/genimage.pm
+++ b/xCAT-server/lib/xcat/plugins/genimage.pm
@@ -168,12 +168,24 @@ sub process_request {
 	   return 1;
        }
        $pkglist = $ref_linuximage_tab->{'pkglist'};
+       if (! -e $pkglist) {
+           $callback->({error=>["The pkglist specified \'$pkglist\' does not exist!"],errorcode=>[1]});
+	   return 1;
+       }
        
        $srcdir = $ref_linuximage_tab->{'pkgdir'};
 
        $srcdir_otherpkgs = $ref_linuximage_tab->{'otherpkgdir'};
        $otherpkglist = $ref_linuximage_tab->{'otherpkglist'};
+       if (! -e $otherpkglist) {
+           $callback->({error=>["The otherpkglist specified \'$otherpkglist\' does not exist!"],errorcode=>[1]});
+	   return 1;
+       }
        $postinstall_filename = $ref_linuximage_tab->{'postinstall'};
+       if (! -e $postinstall_filename) {
+           $callback->({error=>["The postinstall_filename specified \'$postinstall_filename\' does not exist!"],errorcode=>[1]});
+	   return 1;
+       }
        $destdir = $ref_linuximage_tab->{'rootimgdir'};
        $rootimg_dir = $ref_linuximage_tab->{'rootimgdir'};
        $driverupdatesrc = $ref_linuximage_tab->{'driverupdatesrc'};
diff --git a/xCAT-server/share/xcat/install/ubuntu/compute.ubuntu14.04.2.ppc64el.pkglist b/xCAT-server/share/xcat/install/ubuntu/compute.ubuntu14.04.2.ppc64el.pkglist
new file mode 100644
index 000000000..0b69a32dc
--- /dev/null
+++ b/xCAT-server/share/xcat/install/ubuntu/compute.ubuntu14.04.2.ppc64el.pkglist
@@ -0,0 +1,15 @@
+bash
+nfs-common
+openssl
+isc-dhcp-client
+libc-bin
+linux-image-generic-lts-utopic
+openssh-server
+openssh-client
+wget
+vim
+ntp
+rsync
+busybox-static
+gawk
+dnsutils
diff --git a/xCAT-server/share/xcat/install/ubuntu/compute.ubuntu14.04.2.ppc64le.pkglist b/xCAT-server/share/xcat/install/ubuntu/compute.ubuntu14.04.2.ppc64le.pkglist
new file mode 120000
index 000000000..1d26ee80e
--- /dev/null
+++ b/xCAT-server/share/xcat/install/ubuntu/compute.ubuntu14.04.2.ppc64le.pkglist
@@ -0,0 +1 @@
+compute.ubuntu14.04.2.ppc64el.pkglist
\ No newline at end of file
diff --git a/xCAT-server/share/xcat/install/ubuntu/compute.ubuntu14.04.ppc64el.pkglist b/xCAT-server/share/xcat/install/ubuntu/compute.ubuntu14.04.ppc64el.pkglist
new file mode 100644
index 000000000..818b8f26f
--- /dev/null
+++ b/xCAT-server/share/xcat/install/ubuntu/compute.ubuntu14.04.ppc64el.pkglist
@@ -0,0 +1,15 @@
+bash
+nfs-common
+openssl
+isc-dhcp-client
+libc-bin
+linux-image-generic
+openssh-server
+openssh-client
+wget
+vim
+ntp
+rsync
+busybox-static
+gawk
+dnsutils
diff --git a/xCAT-server/share/xcat/install/ubuntu/compute.ubuntu14.04.ppc64le.pkglist b/xCAT-server/share/xcat/install/ubuntu/compute.ubuntu14.04.ppc64le.pkglist
new file mode 120000
index 000000000..b071ab8dc
--- /dev/null
+++ b/xCAT-server/share/xcat/install/ubuntu/compute.ubuntu14.04.ppc64le.pkglist
@@ -0,0 +1 @@
+compute.ubuntu14.04.ppc64el.pkglist
\ No newline at end of file
diff --git a/xCAT-server/share/xcat/netboot/ubuntu/compute.ubuntu14.04.2.ppc64el.pkglist b/xCAT-server/share/xcat/netboot/ubuntu/compute.ubuntu14.04.2.ppc64el.pkglist
new file mode 100644
index 000000000..0b69a32dc
--- /dev/null
+++ b/xCAT-server/share/xcat/netboot/ubuntu/compute.ubuntu14.04.2.ppc64el.pkglist
@@ -0,0 +1,15 @@
+bash
+nfs-common
+openssl
+isc-dhcp-client
+libc-bin
+linux-image-generic-lts-utopic
+openssh-server
+openssh-client
+wget
+vim
+ntp
+rsync
+busybox-static
+gawk
+dnsutils
diff --git a/xCAT-server/share/xcat/netboot/ubuntu/compute.ubuntu14.04.2.ppc64le.pkglist b/xCAT-server/share/xcat/netboot/ubuntu/compute.ubuntu14.04.2.ppc64le.pkglist
new file mode 120000
index 000000000..1d26ee80e
--- /dev/null
+++ b/xCAT-server/share/xcat/netboot/ubuntu/compute.ubuntu14.04.2.ppc64le.pkglist
@@ -0,0 +1 @@
+compute.ubuntu14.04.2.ppc64el.pkglist
\ No newline at end of file
diff --git a/xCAT-server/share/xcat/netboot/ubuntu/compute.ubuntu14.04.ppc64le.pkglist b/xCAT-server/share/xcat/netboot/ubuntu/compute.ubuntu14.04.ppc64le.pkglist
deleted file mode 100644
index 818b8f26f..000000000
--- a/xCAT-server/share/xcat/netboot/ubuntu/compute.ubuntu14.04.ppc64le.pkglist
+++ /dev/null
@@ -1,15 +0,0 @@
-bash
-nfs-common
-openssl
-isc-dhcp-client
-libc-bin
-linux-image-generic
-openssh-server
-openssh-client
-wget
-vim
-ntp
-rsync
-busybox-static
-gawk
-dnsutils
diff --git a/xCAT-server/share/xcat/netboot/ubuntu/compute.ubuntu14.04.ppc64le.pkglist b/xCAT-server/share/xcat/netboot/ubuntu/compute.ubuntu14.04.ppc64le.pkglist
new file mode 120000
index 000000000..b071ab8dc
--- /dev/null
+++ b/xCAT-server/share/xcat/netboot/ubuntu/compute.ubuntu14.04.ppc64le.pkglist
@@ -0,0 +1 @@
+compute.ubuntu14.04.ppc64el.pkglist
\ No newline at end of file
diff --git a/xCAT-server/share/xcat/netboot/ubuntu/genimage b/xCAT-server/share/xcat/netboot/ubuntu/genimage
index a35c2033f..478715df4 100755
--- a/xCAT-server/share/xcat/netboot/ubuntu/genimage
+++ b/xCAT-server/share/xcat/netboot/ubuntu/genimage
@@ -397,7 +397,7 @@ unless ($onlyinitrd) {
                     push @npa, $kernelname;
                 }
                 elsif ($p =~ /linux-image-generic/) {
-                    $kernelimage = "linux-image-generic";
+                    $kernelimage = $p;
                 }
                 elsif ($p =~ /^@/) {
                     push @npa, "\"$p\"";