diff --git a/avocado/utils/partition.py b/avocado/utils/partition.py
index de25afdfbbdc6097459154309cd056d69d42b258..b8d1d60fe526d188a5f738ce1980d47ac62b1d3a 100644
--- a/avocado/utils/partition.py
+++ b/avocado/utils/partition.py
@@ -254,10 +254,6 @@ class Partition(object):
             cmd = "lsof " + mnt
             out = process.system_output(cmd)
             return [int(line.split()[1]) for line in out.splitlines()[1:]]
-        except FileNotFoundError as details:
-            msg = 'Could not find lsof executable'
-            LOG.error(msg)
-            raise PartitionError(self, msg, details)
         except OSError as details:
             msg = 'Could not run lsof to identify processes using "%s"' % mnt
             LOG.error(msg)
diff --git a/optional_plugins/html/avocado_result_html/__init__.py b/optional_plugins/html/avocado_result_html/__init__.py
index fbffdb3a2df8ce8ab9200c7d672547b32afe8548..e7e5b9ceae462c8705fdb3c9065565f8cb57020a 100644
--- a/optional_plugins/html/avocado_result_html/__init__.py
+++ b/optional_plugins/html/avocado_result_html/__init__.py
@@ -98,10 +98,8 @@ class ReportModel(object):
         try:
             with open(sysinfo_path, 'r') as sysinfo_file:
                 sysinfo_contents = sysinfo_file.read()
-        except OSError as details:
+        except (OSError, IOError) as details:
             sysinfo_contents = "Error reading %s: %s" % (sysinfo_path, details)
-        except IOError as details:
-            sysinfo_contents = os.uname()[1]
         return sysinfo_contents
 
     def hostname(self):
diff --git a/selftests/checkall b/selftests/checkall
index 859835bcf953eb2bf0a096fa9946e9304dd0ab54..0f58b4670f8d21ec0ddf98365e30577bb28cb6b7 100755
--- a/selftests/checkall
+++ b/selftests/checkall
@@ -169,7 +169,7 @@ results_dir_content() {
 [ "$SKIP_RESULTSDIR_CHECK" ] || RESULTS_DIR_CONTENT="$(ls $RESULTS_DIR 2> /dev/null)"
 
 LINT_CMD="inspekt lint --exclude=.git"
-PYLINT_ENABLE="--enable R0401,W0101,W0102,W0104,W0105,W0106,W0107,W0108,W0109,W0111,W0120,W0122,W0123,W0124,W0125,W0150,W0199,W0211,W0222,W0223,W0232,W0233,W0301,W0312,W0401,W0404,W0406,W0410,W0601,W0602,W0603,W0604,W0611,W0612,W0613,W0614,W0621,W0622,W0623,W0640,W0711,W1201,W1202,W1300,W1301,W1302,W1303,W1304,W1305,W1306,W1307,W1401,W1402,W1501,W1503,W1645"
+PYLINT_ENABLE="--enable R0401,W0101,W0102,W0104,W0105,W0106,W0107,W0108,W0109,W0111,W0120,W0122,W0123,W0124,W0125,W0150,W0199,W0211,W0222,W0223,W0232,W0233,W0301,W0312,W0401,W0404,W0406,W0410,W0601,W0602,W0603,W0604,W0611,W0612,W0613,W0614,W0621,W0622,W0623,W0640,W0705,W0711,W1201,W1202,W1300,W1301,W1302,W1303,W1304,W1305,W1306,W1307,W1401,W1402,W1501,W1503,W1645"
 if [ "$AVOCADO_PARALLEL_LINT" ]; then
     LINT_CMD="$LINT_CMD --parallel=$AVOCADO_PARALLEL_LINT"
 fi