From 4fd59a16166ccae6b999e276c18d832a0155a0ac Mon Sep 17 00:00:00 2001
From: torben
Date: Thu, 28 Jan 2016 15:48:20 +0100
Subject: Improve debugging configurations.

---
 builder/dnbd3-rootfs/hooks/prepare-root-partition.sh |  7 +++++--
 dev-tools/virtualBoxTFTPRoot/pxelinux.cfg/default    | 12 ++++++++++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/builder/dnbd3-rootfs/hooks/prepare-root-partition.sh b/builder/dnbd3-rootfs/hooks/prepare-root-partition.sh
index cdd8c2f4..c527062a 100755
--- a/builder/dnbd3-rootfs/hooks/prepare-root-partition.sh
+++ b/builder/dnbd3-rootfs/hooks/prepare-root-partition.sh
@@ -39,19 +39,22 @@ fi
 
 # region scan partitions
 read_only_device=""
-if ! qemu-img info --output json "$SLX_DNBD3_DEVICE" | grep '"format": "raw"'
+if utils.dependency_check qemu-img && ! qemu-img qemu-img info --output json \
+    "$SLX_DNBD3_DEVICE" | grep '"format": "raw"'
 then
     read_only_device="$(container-unpack-xmount $SLX_DNBD3_DEVICE)"
 else
     # Workaround to detect partitions on raw disks can be omitted when the
     # dnbd3 kernel module supports it (like the nbd kernel module with
     # parameter "max_part").
-    loop_device="$(losetup -f)"
+    loop_device="$(losetup --find)"
     losetup "$loop_device" "$SLX_DNBD3_DEVICE" --partscan
     read_only_device="$loop_device"
     touch $read_only_device
     udevadm settle
 fi
+# Fail fast if no device could be determined.
+[ -z "$read_only_device" ] && exit 1
 # endregion
 
 # region find read-only partition
diff --git a/dev-tools/virtualBoxTFTPRoot/pxelinux.cfg/default b/dev-tools/virtualBoxTFTPRoot/pxelinux.cfg/default
index 96caf72e..df85eacb 100644
--- a/dev-tools/virtualBoxTFTPRoot/pxelinux.cfg/default
+++ b/dev-tools/virtualBoxTFTPRoot/pxelinux.cfg/default
@@ -29,12 +29,24 @@ KERNEL /ubuntu-vmlinuz-linux
 APPEND initrd=/ubuntu-initramfs-test.img loglevel=2 acpi_osi="!Windows 2012" rd.info ip=10.0.2.15::10.0.2.2:255.255.255.0 vconsole.font=latarcyrheb-sun16  vconsole.keymap=de-latin1-nodeadkeys rd.locale.LANG=de_DE.UTF-8 net.ifnames=1 slxsrv=10.0.2.2:80,10.0.2.2:8080,10.0.2.2:8008,10.0.2.2:8090,10.0.2.2:8280,10.0.2.2:8888 slxbase=ubuntu/
 SYSAPPEND 2
 
+LABEL ubuntu
+MENU LABEL ^ubuntu network boot debug
+KERNEL /ubuntu-vmlinuz-linux
+APPEND initrd=/ubuntu-initramfs-test.img loglevel=2 acpi_osi="!Windows 2012" rd.info rd.break ip=10.0.2.15::10.0.2.2:255.255.255.0 vconsole.font=latarcyrheb-sun16  vconsole.keymap=de-latin1-nodeadkeys rd.locale.LANG=de_DE.UTF-8 net.ifnames=1 slxsrv=10.0.2.2:80,10.0.2.2:8080,10.0.2.2:8008,10.0.2.2:8090,10.0.2.2:8280,10.0.2.2:8888 slxbase=ubuntu/
+SYSAPPEND 2
+
 LABEL centOS
 MENU LABEL ^centOS network boot
 KERNEL /centOS-vmlinuz-linux
 APPEND initrd=/centOS-initramfs-test.img loglevel=2 acpi_osi="!Windows 2012" rd.info ip=10.0.2.15::10.0.2.2:255.255.255.0 vconsole.font=latarcyrheb-sun16  vconsole.keymap=de-latin1-nodeadkeys rd.locale.LANG=de_DE.UTF-8 net.ifnames=1 slxsrv=10.0.2.2:80,10.0.2.2:8080,10.0.2.2:8008,10.0.2.2:8090,10.0.2.2:8280,10.0.2.2:8888 slxbase=centOS/
 SYSAPPEND 2
 
+LABEL centOS
+MENU LABEL ^centOS network boot debug
+KERNEL /centOS-vmlinuz-linux
+APPEND initrd=/centOS-initramfs-test.img loglevel=2 acpi_osi="!Windows 2012" rd.info rd.break ip=10.0.2.15::10.0.2.2:255.255.255.0 vconsole.font=latarcyrheb-sun16  vconsole.keymap=de-latin1-nodeadkeys rd.locale.LANG=de_DE.UTF-8 net.ifnames=1 slxsrv=10.0.2.2:80,10.0.2.2:8080,10.0.2.2:8008,10.0.2.2:8090,10.0.2.2:8280,10.0.2.2:8888 slxbase=centOS/
+SYSAPPEND 2
+
 LABEL BootNormal
 MENU LABEL ^Boot Normal (HDD)
 LOCALBOOT 0
-- 
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