diff -Nru cloud-init-0.7.5/debian/changelog cloud-init-0.7.5/debian/changelog
--- cloud-init-0.7.5/debian/changelog	2014-04-01 12:39:05.000000000 -0600
+++ cloud-init-0.7.5/debian/changelog	2014-06-18 15:51:19.000000000 -0600
@@ -1,3 +1,12 @@
+cloud-init (0.7.5-0ubuntu1.1) trusty; urgency=medium
+
+  * debian/patches/lp1316475-1303986-cloudsigma.patch: Backport of
+    CloudSigma Datasource from 14.10
+    - [FFe] Support VendorData for CloudSigma (LP: #1303986).
+    - Only query /dev/ttys1 when CloudSigma is detected (LP: #1316475).
+
+ -- Ben Howard <ben.howard@ubuntu.com>  Wed, 18 Jun 2014 15:49:13 -0600
+
 cloud-init (0.7.5-0ubuntu1) trusty; urgency=medium
 
   * New upstream release.
diff -Nru cloud-init-0.7.5/debian/patches/lp1316475-1303986-cloudsigma.patch cloud-init-0.7.5/debian/patches/lp1316475-1303986-cloudsigma.patch
--- cloud-init-0.7.5/debian/patches/lp1316475-1303986-cloudsigma.patch	1969-12-31 17:00:00.000000000 -0700
+++ cloud-init-0.7.5/debian/patches/lp1316475-1303986-cloudsigma.patch	2014-06-18 15:47:25.000000000 -0600
@@ -0,0 +1,114 @@
+--- a/cloudinit/sources/DataSourceCloudSigma.py
++++ b/cloudinit/sources/DataSourceCloudSigma.py
+@@ -16,10 +16,12 @@
+ #    You should have received a copy of the GNU General Public License
+ #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ from base64 import b64decode
++import os
+ import re
+ 
+ from cloudinit import log as logging
+ from cloudinit import sources
++from cloudinit import util
+ from cloudinit.cs_utils import Cepko
+ 
+ LOG = logging.getLogger(__name__)
+@@ -40,12 +42,40 @@
+         self.ssh_public_key = ''
+         sources.DataSource.__init__(self, sys_cfg, distro, paths)
+ 
++    def is_running_in_cloudsigma(self):
++        """
++        Uses dmidecode to detect if this instance of cloud-init is running
++        in the CloudSigma's infrastructure.
++        """
++        uname_arch = os.uname()[4]
++        if uname_arch.startswith("arm") or uname_arch == "aarch64":
++            # Disabling because dmidecode in CMD_DMI_SYSTEM crashes kvm process
++            LOG.debug("Disabling CloudSigma datasource on arm (LP: #1243287)")
++            return False
++
++        dmidecode_path = util.which('dmidecode')
++        if not dmidecode_path:
++            return False
++
++        LOG.debug("Determining hypervisor product name via dmidecode")
++        try:
++            cmd = [dmidecode_path, "--string", "system-product-name"]
++            system_product_name, _ = util.subp(cmd)
++            return 'cloudsigma' in system_product_name.lower()
++        except:
++            LOG.warn("Failed to get hypervisor product name via dmidecode")
++
++        return False
++
+     def get_data(self):
+         """
+         Metadata is the whole server context and /meta/cloud-config is used
+         as userdata.
+         """
+         dsmode = None
++        if not self.is_running_in_cloudsigma():
++            return False
++
+         try:
+             server_context = self.cepko.all().result
+             server_meta = server_context['meta']
+@@ -66,6 +96,8 @@
+         self.userdata_raw = server_meta.get('cloudinit-user-data', "")
+         if 'cloudinit-user-data' in base64_fields:
+             self.userdata_raw = b64decode(self.userdata_raw)
++        if 'cloudinit' in server_context.get('vendor_data', {}):
++            self.vendordata_raw = server_context["vendor_data"]["cloudinit"]
+ 
+         self.metadata = server_context
+         self.ssh_public_key = server_meta['ssh_public_key']
+--- a/tests/unittests/test_datasource/test_cloudsigma.py
++++ b/tests/unittests/test_datasource/test_cloudsigma.py
+@@ -20,7 +20,11 @@
+     "smp": 1,
+     "tags": ["much server", "very performance"],
+     "uuid": "65b2fb23-8c03-4187-a3ba-8b7c919e8890",
+-    "vnc_password": "9e84d6cb49e46379"
++    "vnc_password": "9e84d6cb49e46379",
++    "vendor_data": {
++        "location": "zrh",
++        "cloudinit": "#cloud-config\n\n...",
++    }
+ }
+ 
+ 
+@@ -35,6 +39,7 @@
+ class DataSourceCloudSigmaTest(TestCase):
+     def setUp(self):
+         self.datasource = DataSourceCloudSigma.DataSourceCloudSigma("", "", "")
++        self.datasource.is_running_in_cloudsigma = lambda: True
+         self.datasource.cepko = CepkoMock(SERVER_CONTEXT)
+         self.datasource.get_data()
+ 
+@@ -68,3 +73,25 @@
+         self.datasource.get_data()
+ 
+         self.assertEqual(self.datasource.userdata_raw, b'hi world\n')
++
++    def test_vendor_data(self):
++        self.assertEqual(self.datasource.vendordata_raw,
++                         SERVER_CONTEXT['vendor_data']['cloudinit'])
++
++    def test_lack_of_vendor_data(self):
++        stripped_context = copy.deepcopy(SERVER_CONTEXT)
++        del stripped_context["vendor_data"]
++        self.datasource = DataSourceCloudSigma.DataSourceCloudSigma("", "", "")
++        self.datasource.cepko = CepkoMock(stripped_context)
++        self.datasource.get_data()
++
++        self.assertIsNone(self.datasource.vendordata_raw)
++
++    def test_lack_of_cloudinit_key_in_vendor_data(self):
++        stripped_context = copy.deepcopy(SERVER_CONTEXT)
++        del stripped_context["vendor_data"]["cloudinit"]
++        self.datasource = DataSourceCloudSigma.DataSourceCloudSigma("", "", "")
++        self.datasource.cepko = CepkoMock(stripped_context)
++        self.datasource.get_data()
++
++        self.assertIsNone(self.datasource.vendordata_raw)
diff -Nru cloud-init-0.7.5/debian/patches/series cloud-init-0.7.5/debian/patches/series
--- cloud-init-0.7.5/debian/patches/series	1969-12-31 17:00:00.000000000 -0700
+++ cloud-init-0.7.5/debian/patches/series	2014-06-18 15:46:25.000000000 -0600
@@ -0,0 +1 @@
+lp1316475-1303986-cloudsigma.patch