diff --git a/package/base/alsa/postsysfiles.in b/package/base/alsa/postsysfiles.in
deleted file mode 100644
index 367311680..000000000
--- a/package/base/alsa/postsysfiles.in
+++ /dev/null
@@ -1,4 +0,0 @@
-
-safe_groupadd audio 17
-safe_groupadd sound 17
-
diff --git a/package/base/sysfiles/etc_group.txt b/package/base/sysfiles/etc_group.txt
index 21961d510..6e2f9353e 100644
--- a/package/base/sysfiles/etc_group.txt
+++ b/package/base/sysfiles/etc_group.txt
@@ -8,6 +8,8 @@ disk:x:6:
 kmem:x:7:
 mail:x:8:
 video:x:16:
+audio:x:17:
+sound:x:17:
 cdrom:x:29:
 users:x:100:
 nogroup:x:65534:
diff --git a/target/bootdisk/build_stage1.sh b/target/bootdisk/build_stage1.sh
index f90876b52..355674785 100644
--- a/target/bootdisk/build_stage1.sh
+++ b/target/bootdisk/build_stage1.sh
@@ -5,11 +5,15 @@ rm -rf $disksdir/initrd
 mkdir -p $disksdir/initrd/{dev,proc,sys,tmp,scsi,net,bin,etc,lib}
 cd $disksdir/initrd; ln -s bin sbin; ln -s . usr
 
+rock_targetdir="$base/target/$target/"
+rock_target="$target"
+
 # make mount not complain
 touch etc/fstab
 
-rock_targetdir="$base/target/$target/"
-rock_target="$target"
+# supress udev uig/gid warnings
+cp -a $base/build/$ROCKCFG_ID/etc/{passwd,group} etc/
+cp -a $base/build/$ROCKCFG_ID/lib/libnss_files[-.]* lib/
 
 rootdir="$disksdir/2nd_stage"
 targetdir="$disksdir/initrd"