fix ci & cleanup mkintcpio patching

.github/workflows/release.yml

@@ -31,14 +31,26 @@ jobs:
           echo "Building required containers..."
           # Build the main container
           scripts/build-container.sh
-          # Tag it with the additional name used by initramfs script
-          sudo podman tag s390x-archlinux-dev s390x-mkinitcpio-complete
       
       - name: Build kernel
         run: |
           echo "Building s390x kernel..."
           scripts/build-kernel-container.sh
       
+      - name: Build s390x busybox
+        run: |
+          echo "Building s390x busybox binary..."
+          # The build-all.sh script will handle this automatically
+          # but we'll call it explicitly for clarity in CI
+          if [ ! -f output/busybox-s390x-static ]; then
+            sudo podman run --rm \
+              -v $PWD:/work \
+              -v $PWD/output:/output \
+              -w /work \
+              s390x-archlinux-dev \
+              /work/scripts/build-busybox-s390x.sh
+          fi
+      
       - name: Build initramfs
         run: |
           echo "Building s390x initramfs..."
@@ -69,6 +81,11 @@ jobs:
           
           # Create tarball of all artifacts
           tar -czf archlinux-s390x-${{ github.event.inputs.version }}.tar.gz -C release-artifacts .
+          
+          # Capture build information
+          echo "KERNEL_VERSION=6.6.10" >> $GITHUB_ENV
+          echo "MKINITCPIO_COMMIT=$(cd mkinitcpio-source && git rev-parse HEAD)" >> $GITHUB_ENV
+          echo "MKINITCPIO_SHORT_COMMIT=$(cd mkinitcpio-source && git rev-parse --short HEAD)" >> $GITHUB_ENV
       
       - name: Create GitHub Release
         uses: softprops/action-gh-release@v1
@@ -80,10 +97,16 @@ jobs:
             
             ${{ github.event.inputs.release_notes }}
             
+            ## Build Information
+            
+            - **Kernel Version**: ${{ env.KERNEL_VERSION }}
+            - **mkinitcpio**: Built from commit [`${{ env.MKINITCPIO_SHORT_COMMIT }}`](https://github.com/archlinux/mkinitcpio/commit/${{ env.MKINITCPIO_COMMIT }})
+            - **Build Date**: ${{ github.event.repository.updated_at }}
+            
             ## Release Contents
             
             This release includes:
-            - **vmlinuz-linux-s390x**: Linux kernel 6.6.10 for s390x architecture
+            - **vmlinuz-linux-s390x**: Linux kernel ${{ env.KERNEL_VERSION }} for s390x architecture
             - **initramfs-linux-s390x.img**: Initial RAM filesystem with s390x busybox
             - **Boot configuration files**: IPL configuration for s390x mainframes
             - **SHA256SUMS**: Checksums for all artifacts

Containerfile

@@ -8,9 +8,17 @@ RUN dnf install -y \
     gcc-s390x-linux-gnu \
     binutils-s390x-linux-gnu \
     kernel-cross-headers \
+    kernel-headers \
     glibc-devel \
     glibc-headers \
     glibc-static \
+    glibc-common \
+    glibc-all-langpacks \
+    musl-devel \
+    musl-gcc \
+    musl-libc-static \
+    libstdc++-devel \
+    libstdc++-static \
     # Kernel build dependencies
     make \
     flex \
@@ -47,6 +55,8 @@ RUN dnf install -y \
     coreutils \
     util-linux \
     file \
+    busybox \
+    bsdtar \
     && dnf clean all
 
 # Upgrade meson to latest version (Fedora 39 has 1.3.2, mkinitcpio needs >=1.4.0)

README.md

@@ -38,7 +38,7 @@ Uses **Fedora containers with Podman** for cross-compilation:
 ```bash
 # Container images:
 s390x-fedora-kernel          # Kernel compilation
-s390x-mkinitcpio-complete    # Initramfs generation
+s390x-archlinux-dev          # All-in-one development container
 ```
 
 ### Key Scripts:

patches/mkinitcpio-s390x-base-hook.patch

@@ -1,79 +1,97 @@
---- a/install/base
+#!/usr/bin/env bash
-+++ b/install/base
+# SPDX-License-Identifier: GPL-2.0-only
-@@ -3,10 +3,60 @@
+# Modified for s390x cross-architecture support
- 
+
- build() {
+build() {
-     local applet
+    local applet
--
+    
--    add_binary /usr/lib/initcpio/busybox /bin/busybox
+    # Use s390x busybox binary if available (cross-architecture support)
--
+    if [[ -f "/work/output/busybox-s390x-static" ]]; then
--    for applet in $(/usr/lib/initcpio/busybox --list); do
+        echo "Using s390x static busybox binary"
-+    
+        add_file "/work/output/busybox-s390x-static" "/bin/busybox" 755
-+    # Use s390x busybox binary if available (cross-architecture support)
+        
-+    if [[ -f "/work/output/busybox-s390x-native" ]]; then
+        # Create symlinks for busybox applets (using a known list since we can't execute cross-arch binary)
-+        echo "Using s390x busybox binary"
+        local busybox_applets=(
-+        add_file "/work/output/busybox-s390x-native" "/bin/busybox" 755
+            "[" "[[" "ash" "awk" "basename" "cat" "chgrp" "chmod" "chown" "cp" "cut"
-+        
+            "date" "dd" "df" "dirname" "dmesg" "du" "echo" "env" "expr" "false"
-+        # Create symlinks for busybox applets (using a known list since we can't execute cross-arch binary)
+            "find" "grep" "head" "hostname" "id" "kill" "ln" "ls" "mkdir" "mknod"
-+        local busybox_applets=(
+            "mktemp" "mount" "mv" "printf" "ps" "pwd" "readlink" "rm" "rmdir"
-+            "[" "[[" "ash" "awk" "basename" "cat" "chgrp" "chmod" "chown" "cp" "cut"
+            "sed" "sh" "sleep" "sort" "stat" "tail" "tar" "test" "touch" "tr"
-+            "date" "dd" "df" "dirname" "dmesg" "du" "echo" "env" "expr" "false"
+            "true" "umount" "uname" "uniq" "wc" "which" "whoami" "xargs"
-+            "find" "grep" "head" "hostname" "id" "kill" "ln" "ls" "mkdir" "mknod"
+        )
-+            "mktemp" "mount" "mv" "printf" "ps" "pwd" "readlink" "rm" "rmdir"
+        
-+            "sed" "sh" "sleep" "sort" "stat" "tail" "tar" "test" "touch" "tr"
+        for applet in "${busybox_applets[@]}"; do
-+            "true" "umount" "uname" "uniq" "wc" "which" "whoami" "xargs"
+            add_symlink "/usr/bin/$applet" busybox
-+        )
+        done
-+        
+    elif [[ -f "/work/output/busybox-s390x-native" ]]; then
-+        for applet in "${busybox_applets[@]}"; do
+        echo "Using s390x busybox binary"
-+            add_symlink "/usr/bin/$applet" busybox
+        add_file "/work/output/busybox-s390x-native" "/bin/busybox" 755
-+        done
+        
-+    else
+        # Create symlinks for busybox applets (using a known list since we can't execute cross-arch binary)
-+        echo "Warning: s390x busybox not found, using system busybox (may cause architecture mismatch)"
+        local busybox_applets=(
-+        add_binary /usr/lib/initcpio/busybox /bin/busybox
+            "[" "[[" "ash" "awk" "basename" "cat" "chgrp" "chmod" "chown" "cp" "cut"
-+        for applet in $(/usr/lib/initcpio/busybox --list); do
+            "date" "dd" "df" "dirname" "dmesg" "du" "echo" "env" "expr" "false"
-+            add_symlink "/usr/bin/$applet" busybox
+            "find" "grep" "head" "hostname" "id" "kill" "ln" "ls" "mkdir" "mknod"
-+        done
+            "mktemp" "mount" "mv" "printf" "ps" "pwd" "readlink" "rm" "rmdir"
-+    fi
+            "sed" "sh" "sleep" "sort" "stat" "tail" "tar" "test" "touch" "tr"
-+
+            "true" "umount" "uname" "uniq" "wc" "which" "whoami" "xargs"
-+    # For other binaries, try to use available versions, otherwise skip
+        )
-+    echo "Adding kmod utilities..."
+        
-+    if type -P kmod >/dev/null 2>&1; then
+        for applet in "${busybox_applets[@]}"; do
-+        add_binary kmod
+            add_symlink "/usr/bin/$applet" busybox
-+        for applet in {dep,ins,rm,ls}mod mod{probe,info}; do
+        done
-+            add_symlink "/usr/bin/$applet" kmod
+    else
-+        done
+        echo "Warning: s390x busybox not found, using system busybox (may cause architecture mismatch)"
-+    else
+        # Try to find busybox in various locations
-+        echo "Warning: kmod not found, skipping module utilities"
+        if [[ -f /usr/lib/initcpio/busybox ]]; then
-+    fi
+            add_binary /usr/lib/initcpio/busybox /bin/busybox
-+
+        elif [[ -f /usr/bin/busybox ]]; then
-+    # Check for additional utilities (may not be available in cross-compile environment)
+            add_binary /usr/bin/busybox /bin/busybox
-+    echo "Checking for additional utilities..."
+        elif [[ -f /bin/busybox ]]; then
-+    for binary in blkid mount umount switch_root; do
+            add_binary /bin/busybox /bin/busybox
-+        if type -P "$binary" >/dev/null 2>&1; then
+        else
-+            echo "Adding $binary"
+            echo "ERROR: No busybox binary found!"
-+            add_binary "$binary"
+            return 1
-+        else
+        fi
-+            echo "Warning: $binary not found, skipping"
+        # Get applet list from the binary we found
-+        fi
+        for applet in $(busybox --list 2>/dev/null || echo "sh ash"); do
-+    done
+            add_symlink "/usr/bin/$applet" busybox
-+
+        done
-+    # Original code (for reference):
+    fi
-+    # add_binary /usr/lib/initcpio/busybox /bin/busybox
+
-+    # for applet in $(/usr/lib/initcpio/busybox --list); do
+    # Add kmod with applet symlinks (if available)
-         add_symlink "/usr/bin/$applet" busybox
+    if type -P kmod >/dev/null 2>&1; then
-     done
+        echo "Adding kmod utilities..."
- 
+        add_binary kmod
-@@ -16,9 +66,10 @@
+        for applet in {dep,ins,rm,ls}mod mod{probe,info}; do
-         add_symlink "/usr/bin/$applet" kmod
+            add_symlink "/usr/bin/$applet" kmod
-     done
+        done
- 
+    else
--    add_binary blkid
+        echo "Warning: kmod not found, module utilities will not be available"
--    map add_binary mount umount
+    fi
--    add_binary switch_root
+
-+    # add_binary blkid
+    # Check for additional utilities (may not be available in cross-compile environment)
-+    # map add_binary mount umount  
+    for binary in blkid mount umount switch_root; do
-+    # add_binary switch_root
+        if type -P "$binary" >/dev/null 2>&1; then
-+    # (These are now handled conditionally above)
+            echo "Adding $binary"
- 
+            add_binary "$binary"
-     add_binary "/usr/lib/initcpio/init_functions" "/init_functions"
+        else
-     add_binary "/usr/lib/initcpio/init" "/init" 755
+            echo "Warning: $binary not found, skipping (functionality may be limited)"
+        fi
+    done
+
+    # Always add init files
+    echo "Adding init files..."
+    add_file "/usr/lib/initcpio/init_functions" "/init_functions"
+    add_file "/usr/lib/initcpio/init" "/init" 755
+}
+
+help() {
+    cat <<HELPEOF
+This hook provides crucial runtime necessities for booting. This is a modified 
+version with s390x cross-architecture support. DO NOT remove this hook unless 
+you know what you're doing.
+HELPEOF
+}
+
+# vim: set ft=sh ts=4 sw=4 et:

patches/mkinitcpio-s390x.conf

@@ -0,0 +1,9 @@
+# Minimal s390x mkinitcpio configuration
+# This config creates a basic initramfs without kernel modules
+MODULES=()
+BINARIES=()
+FILES=()
+# Only use base hook which provides busybox, init, and basic utilities
+HOOKS=(base)
+COMPRESSION="gzip"
+COMPRESSION_OPTIONS=(-6)

scripts/build-all.sh

@@ -94,6 +94,30 @@ if [ "$BUILD_KERNEL" = true ]; then
     "$PROJECT_ROOT/scripts/build-kernel-container.sh"
 fi
 
+# Build busybox if it doesn't exist
+if [ "$BUILD_INITRAMFS" = true ]; then
+    if [ ! -f "$PROJECT_ROOT/output/busybox-s390x-static" ] && [ ! -f "$PROJECT_ROOT/output/busybox-s390x-native" ]; then
+        echo
+        echo -e "${BLUE}=== Building s390x Busybox ===${NC}"
+        # Check if busybox build script exists
+        if [ -f "$PROJECT_ROOT/scripts/build-busybox-s390x.sh" ]; then
+            # Run busybox build in container
+            echo -e "${YELLOW}Building s390x busybox binary...${NC}"
+            sudo podman run --rm \
+                -v "$PROJECT_ROOT:/work" \
+                -v "$PROJECT_ROOT/output:/output" \
+                -w /work \
+                s390x-archlinux-dev \
+                /work/scripts/build-busybox-s390x.sh
+        else
+            echo -e "${RED}ERROR: build-busybox-s390x.sh not found${NC}"
+            exit 1
+        fi
+    else
+        echo -e "${GREEN}✓ s390x busybox already exists${NC}"
+    fi
+fi
+
 # Build initramfs
 if [ "$BUILD_INITRAMFS" = true ]; then
     echo

scripts/build-busybox-s390x.sh

@@ -63,11 +63,12 @@ EOF
 sed -i 's/CONFIG_FEATURE_HAVE_RPC=y/CONFIG_FEATURE_HAVE_RPC=n/' .config
 sed -i 's/CONFIG_LOCALE_SUPPORT=y/CONFIG_LOCALE_SUPPORT=n/' .config
 
-# Create minimal byteswap.h if missing
+# Create minimal byteswap.h (always create to ensure compatibility)
-if [ ! -f /usr/include/byteswap.h ]; then
+echo "Creating minimal byteswap.h for cross-compilation..."
-    echo "Creating minimal byteswap.h..."
+mkdir -p include
-    mkdir -p include
+
-    cat > include/byteswap.h << 'BYTESWAP_EOF'
+# Create byteswap.h that uses system stdint.h
+cat > include/byteswap.h << 'BYTESWAP_EOF'
 #ifndef _BYTESWAP_H
 #define _BYTESWAP_H
 
@@ -92,14 +93,28 @@ static inline uint64_t bswap_64(uint64_t x) {
 
 #endif /* _BYTESWAP_H */
 BYTESWAP_EOF
+
+# Remove any conflicting stdint.h from busybox source
+if [ -f include/stdint.h ]; then
+    echo "Removing busybox's conflicting stdint.h"
+    rm -f include/stdint.h
 fi
 
-# Build with specific flags to handle missing headers
+# Let busybox find its own headers
-echo "Building busybox..."
+echo "Building busybox with minimal configuration..."
+make clean || true
+
+# Try building with the cross compiler's sysroot
+SYSROOT=$(s390x-linux-gnu-gcc -print-sysroot)
+echo "Using sysroot: $SYSROOT"
+
+# Build with proper include path order - system headers first
 make \
-    EXTRA_CFLAGS="-I$(pwd)/include -D__MUSL__ -static" \
+    CFLAGS="--sysroot=$SYSROOT -I$(pwd)/include" \
-    EXTRA_LDFLAGS="-static -pthread" \
+    LDFLAGS="-static" \
-    CONFIG_EXTRA_LDLIBS="pthread" \
+    CONFIG_STATIC=y \
+    HOSTCC=gcc \
+    HOSTCFLAGS="" \
     -j$(nproc) 2>&1 | tee build.log
 
 # Verify the binary was built and is correct architecture
@@ -108,9 +123,12 @@ if [ -f busybox ]; then
     file busybox
     ls -la busybox
     
-    # Copy to output directory
+    # Copy to output directory with both naming conventions
-    cp busybox "$OUTPUT_DIR/busybox-s390x"
+    cp busybox "$OUTPUT_DIR/busybox-s390x-static"
-    chmod +x "$OUTPUT_DIR/busybox-s390x"
+    chmod +x "$OUTPUT_DIR/busybox-s390x-static"
+    
+    # Also create a native version link for compatibility
+    ln -sf busybox-s390x-static "$OUTPUT_DIR/busybox-s390x-native"
     
     echo "✅ s390x busybox binary built successfully!"
     echo "Size: $(du -h busybox | cut -f1)"

scripts/build-initramfs-final.sh

@@ -9,8 +9,7 @@ PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
 OUTPUT_DIR="$PROJECT_ROOT/output"
 INITRAMFS_NAME="initramfs-${KERNEL_VERSION}-s390x.img"
 MKINITCPIO_SOURCE="$PROJECT_ROOT/mkinitcpio-source"
-MKINITCPIO_REPO="https://gitlab.archlinux.org/archlinux/mkinitcpio/mkinitcpio.git"
+MKINITCPIO_REPO="https://github.com/archlinux/mkinitcpio.git"
-MKINITCPIO_VERSION="v39.2"  # Latest stable version
 
 # Colors
 RED='\033[0;31m'
@@ -20,15 +19,15 @@ NC='\033[0m'
 
 echo -e "${GREEN}=== Building initramfs with modified mkinitcpio ===${NC}"
 
-# Clone mkinitcpio from upstream
+# Clone mkinitcpio from upstream (latest version)
-echo -e "${YELLOW}Cloning mkinitcpio from upstream...${NC}"
+echo -e "${YELLOW}Cloning mkinitcpio from upstream (latest)...${NC}"
 rm -rf "$MKINITCPIO_SOURCE"
-git clone --depth 1 --branch "$MKINITCPIO_VERSION" "$MKINITCPIO_REPO" "$MKINITCPIO_SOURCE"
+git clone --depth 1 "$MKINITCPIO_REPO" "$MKINITCPIO_SOURCE"
 if [ $? -ne 0 ]; then
     echo -e "${RED}Failed to clone mkinitcpio${NC}"
     exit 1
 fi
-echo -e "${GREEN}✓ Cloned mkinitcpio ${MKINITCPIO_VERSION}${NC}"
+echo -e "${GREEN}✓ Cloned latest mkinitcpio${NC}"
 
 # Create build script that runs inside container
 cat > "$PROJECT_ROOT/build-final-initramfs.sh" << 'EOF'
@@ -41,101 +40,31 @@ INITRAMFS_OUTPUT="/work/output/initramfs-${KERNEL_VERSION}-s390x.img"
 echo "Building and installing modified mkinitcpio..."
 
 # Copy the mkinitcpio source
-cp -r /work/mkinitcpio-source /tmp/mkinitcpio
+mkdir -p /tmp/mkinitcpio
+cp -r /work/mkinitcpio-source/* /tmp/mkinitcpio/
+cp -r /work/mkinitcpio-source/.[^.]* /tmp/mkinitcpio/ 2>/dev/null || true
 cd /tmp/mkinitcpio
 
+# Verify we're in the right directory
+if [ ! -f "meson.build" ]; then
+    echo "ERROR: meson.build not found. Directory contents:"
+    ls -la
+    exit 1
+fi
+
 # Apply s390x patches
 echo "Applying s390x patches to mkinitcpio..."
-cat > install/base << 'PATCH_EOF'
-#!/usr/bin/env bash
-# SPDX-License-Identifier: GPL-2.0-only
-# Modified for s390x cross-architecture support
 
-build() {
+# Check if patch file exists and apply it
-    local applet
+if [ -f "/work/patches/mkinitcpio-s390x-base-hook.patch" ]; then
-    
+    echo "Found mkinitcpio patch, applying..."
-    # Use s390x busybox binary if available (cross-architecture support)
+    cp /work/patches/mkinitcpio-s390x-base-hook.patch install/base
-    if [[ -f "/work/output/busybox-s390x-static" ]]; then
+    chmod +x install/base
-        echo "Using s390x static busybox binary"
+    echo "✓ Applied s390x patches to base install hook"
-        add_file "/work/output/busybox-s390x-static" "/bin/busybox" 755
+else
-        
+    echo "ERROR: Patch file not found at /work/patches/mkinitcpio-s390x-base-hook.patch"
-        # Create symlinks for busybox applets (using a known list since we can't execute cross-arch binary)
+    exit 1
-        local busybox_applets=(
+fi
-            "[" "[[" "ash" "awk" "basename" "cat" "chgrp" "chmod" "chown" "cp" "cut"
-            "date" "dd" "df" "dirname" "dmesg" "du" "echo" "env" "expr" "false"
-            "find" "grep" "head" "hostname" "id" "kill" "ln" "ls" "mkdir" "mknod"
-            "mktemp" "mount" "mv" "printf" "ps" "pwd" "readlink" "rm" "rmdir"
-            "sed" "sh" "sleep" "sort" "stat" "tail" "tar" "test" "touch" "tr"
-            "true" "umount" "uname" "uniq" "wc" "which" "whoami" "xargs"
-        )
-        
-        for applet in "${busybox_applets[@]}"; do
-            add_symlink "/usr/bin/$applet" busybox
-        done
-    elif [[ -f "/work/output/busybox-s390x-native" ]]; then
-        echo "Using s390x busybox binary"
-        add_file "/work/output/busybox-s390x-native" "/bin/busybox" 755
-        
-        # Create symlinks for busybox applets (using a known list since we can't execute cross-arch binary)
-        local busybox_applets=(
-            "[" "[[" "ash" "awk" "basename" "cat" "chgrp" "chmod" "chown" "cp" "cut"
-            "date" "dd" "df" "dirname" "dmesg" "du" "echo" "env" "expr" "false"
-            "find" "grep" "head" "hostname" "id" "kill" "ln" "ls" "mkdir" "mknod"
-            "mktemp" "mount" "mv" "printf" "ps" "pwd" "readlink" "rm" "rmdir"
-            "sed" "sh" "sleep" "sort" "stat" "tail" "tar" "test" "touch" "tr"
-            "true" "umount" "uname" "uniq" "wc" "which" "whoami" "xargs"
-        )
-        
-        for applet in "${busybox_applets[@]}"; do
-            add_symlink "/usr/bin/$applet" busybox
-        done
-    else
-        echo "Warning: s390x busybox not found, using system busybox (may cause architecture mismatch)"
-        add_binary /usr/lib/initcpio/busybox /bin/busybox
-        for applet in $(/usr/lib/initcpio/busybox --list 2>/dev/null || echo "sh ash"); do
-            add_symlink "/usr/bin/$applet" busybox
-        done
-    fi
-
-    # Add kmod with applet symlinks (if available)
-    if type -P kmod >/dev/null 2>&1; then
-        echo "Adding kmod utilities..."
-        add_binary kmod
-        for applet in {dep,ins,rm,ls}mod mod{probe,info}; do
-            add_symlink "/usr/bin/$applet" kmod
-        done
-    else
-        echo "Warning: kmod not found, module utilities will not be available"
-    fi
-
-    # Check for additional utilities (may not be available in cross-compile environment)
-    for binary in blkid mount umount switch_root; do
-        if type -P "$binary" >/dev/null 2>&1; then
-            echo "Adding $binary"
-            add_binary "$binary"
-        else
-            echo "Warning: $binary not found, skipping (functionality may be limited)"
-        fi
-    done
-
-    # Always add init files
-    echo "Adding init files..."
-    add_file "/usr/lib/initcpio/init_functions" "/init_functions"
-    add_file "/usr/lib/initcpio/init" "/init" 755
-}
-
-help() {
-    cat <<HELPEOF
-This hook provides crucial runtime necessities for booting. This is a modified 
-version with s390x cross-architecture support. DO NOT remove this hook unless 
-you know what you're doing.
-HELPEOF
-}
-
-# vim: set ft=sh ts=4 sw=4 et:
-PATCH_EOF
-
-echo "✓ Applied s390x patches to base install hook"
 
 # Clean any existing build directory
 rm -rf build
@@ -157,7 +86,7 @@ echo "Setting up s390x environment..."
 
 # Install missing dependencies
 echo "Installing required dependencies..."
-dnf install -y kmod-libs kmod util-linux busybox || echo "Warning: Some packages could not be installed"
+dnf install -y kmod-libs kmod util-linux busybox bsdtar || echo "Warning: Some packages could not be installed"
 
 # Create kernel module directory structure
 KERNEL_DIR="/lib/modules/${KERNEL_VERSION}-s390x"
@@ -177,10 +106,11 @@ fi
 
 # Ensure init files are in the correct location
 echo "Verifying init files installation..."
-if [ -f /usr/lib/initcpio/init ]; then
+# Check both lib and lib64 locations
-    echo "✓ /usr/lib/initcpio/init found"
+if [ -f /usr/lib/initcpio/init ] || [ -f /usr/lib64/initcpio/init ]; then
+    echo "✓ init found"
 else
-    echo "✗ /usr/lib/initcpio/init missing - copying from source"
+    echo "✗ init missing - copying from source"
     if [ -f /tmp/mkinitcpio/init ]; then
         mkdir -p /usr/lib/initcpio
         cp /tmp/mkinitcpio/init /usr/lib/initcpio/init
@@ -188,15 +118,23 @@ else
     fi
 fi
 
-if [ -f /usr/lib/initcpio/init_functions ]; then
+if [ -f /usr/lib/initcpio/init_functions ] || [ -f /usr/lib64/initcpio/init_functions ]; then
-    echo "✓ /usr/lib/initcpio/init_functions found"
+    echo "✓ init_functions found"
 else
-    echo "✗ /usr/lib/initcpio/init_functions missing - copying from source"
+    echo "✗ init_functions missing - copying from source"
     if [ -f /tmp/mkinitcpio/init_functions ]; then
+        mkdir -p /usr/lib/initcpio
         cp /tmp/mkinitcpio/init_functions /usr/lib/initcpio/init_functions
     fi
 fi
 
+# Create symlinks if installed in lib64
+if [ -d /usr/lib64/initcpio ] && [ ! -d /usr/lib/initcpio ]; then
+    echo "Creating symlinks from lib64 to lib..."
+    mkdir -p /usr/lib
+    ln -sf /usr/lib64/initcpio /usr/lib/initcpio
+fi
+
 # Create a minimal working s390x configuration
 echo "Creating minimal s390x configuration..."
 
@@ -207,17 +145,14 @@ if [ -f /work/custom-init ]; then
     chmod 755 /usr/lib/initcpio/init
 fi
 
-cat > /etc/mkinitcpio-s390x.conf << 'CONFIG'
+# Copy mkinitcpio configuration
-# Minimal s390x mkinitcpio configuration
+if [ -f "/work/patches/mkinitcpio-s390x.conf" ]; then
-# This config creates a basic initramfs without kernel modules
+    echo "Using s390x mkinitcpio configuration..."
-MODULES=()
+    cp /work/patches/mkinitcpio-s390x.conf /etc/mkinitcpio-s390x.conf
-BINARIES=()
+else
-FILES=()
+    echo "ERROR: Configuration file not found at /work/patches/mkinitcpio-s390x.conf"
-# Only use base hook which provides busybox, init, and basic utilities
+    exit 1
-HOOKS=(base)
+fi
-COMPRESSION="gzip"
-COMPRESSION_OPTIONS=(-6)
-CONFIG
 
 echo "Generating initramfs with mkinitcpio..."
 echo "Configuration:"
@@ -226,6 +161,20 @@ cat /etc/mkinitcpio-s390x.conf
 # The s390x busybox integration is now handled by the patched base install hook
 echo "s390x busybox will be handled by the patched mkinitcpio base hook..."
 
+# Ensure busybox binary is available for the base hook
+if [ -f "/work/output/busybox-s390x-static" ]; then
+    echo "✓ Found s390x static busybox at /work/output/busybox-s390x-static"
+    ls -la /work/output/busybox-s390x-static
+elif [ -f "/work/output/busybox-s390x-native" ]; then
+    echo "✓ Found s390x native busybox at /work/output/busybox-s390x-native"
+    ls -la /work/output/busybox-s390x-native
+else
+    echo "ERROR: No s390x busybox binary found in /work/output/"
+    echo "Available files in /work/output:"
+    ls -la /work/output/
+    exit 1
+fi
+
 # Debug: List all files that mkinitcpio expects
 echo "Checking mkinitcpio dependencies:"
 ls -la /usr/lib/initcpio/ 2>/dev/null || echo "/usr/lib/initcpio/ not found"
@@ -303,7 +252,7 @@ sudo podman run --rm \
     -v "$PROJECT_ROOT:/work" \
     -w /work \
     --privileged \
-    s390x-mkinitcpio-complete \
+    s390x-archlinux-dev \
     /work/build-final-initramfs.sh
 
 # Clean up copied source

scripts/build-kernel-container.sh

@@ -79,6 +79,9 @@ CONFIG_VIRTIO_PCI=y
 CONFIG_TN3215=y
 CONFIG_TN3270=y
 
+# System identity
+CONFIG_DEFAULT_HOSTNAME="arch"
+
 # Required for initramfs
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_RD_GZIP=y