From: Michael Prokop <mika@grml.org>
Date: Tue, 10 Apr 2012 10:01:38 +0000 (+0200)
Subject: Make sure loop module is present [Closes: issue1155]
X-Git-Tag: v0.50~1
X-Git-Url: https://git.grml.org/?p=grml-debootstrap.git;a=commitdiff_plain;h=6ea6382b45fac9c24ede56d758adfd720be773cd;hp=afe4badc6bb220c023434407c3fd8e8ff07b9f61;ds=sidebyside

Make sure loop module is present [Closes: issue1155]

Thanks: Christian Hofstaedtler for the bugreport
---

diff --git a/grml-debootstrap b/grml-debootstrap
index 619d651..a30deb9 100755
--- a/grml-debootstrap
+++ b/grml-debootstrap
@@ -961,6 +961,18 @@ prepare_vm() {
     modprobe dm-mod ; eend $?
   fi
 
+  # make sure loop module is present
+  if ! losetup -f >/dev/null 2>&1; then
+    einfo "Can not find a usable loop device, retrying after loading loop module."
+    modprobe loop
+    if losetup -f >/dev/null 2>&1; then
+      einfo "Found a usable loop device now, continuing."
+    else
+      eerror "Error finding usable loop device" ; eend 1
+      bailout 1
+    fi
+  fi
+
   DEVINFO=$(kpartx -av $TARGET) # 'add map loop1p1 (253:0): 0 6289408 linear /dev/loop1 2048'
   if [ -z "${DEVINFO}" ] ; then
     eerror "Error setting up loopback device." ; eend 1