diff --git a/anaconda.spec b/anaconda.spec
index 6b93d13..6362f22 100644
--- a/anaconda.spec
+++ b/anaconda.spec
@@ -1,7 +1,7 @@
 %define _empty_manifest_terminate_build 0
 Name:    anaconda
 Version: 33.19
-Release: 19
+Release: 20
 Summary: Graphical system installer
 License: GPLv2+ and MIT
 URL:     http://fedoraproject.org/wiki/Anaconda
@@ -107,6 +107,7 @@ Patch6067:    bugfix-Fix-checking-ssl-certificate-for-metadata-1745064.patch
 Patch6068:    bugfix-Fix-error-in-initrd-shift-count-out-of-range.patch
 Patch6069:    bugfix-Fix-the-logic-for-enabling-latest-updates.patch
 Patch6070:    bugfix-Don-t-enter-spokes-after-we-leave-the-Summary-hub.patch
+Patch6071:    bugfix-do-not-mount-dbus-source.patch
 
 %define dbusver 1.2.3
 %define dnfver 3.6.0
@@ -320,6 +321,12 @@ update-desktop-database &> /dev/null || :
 %{_datadir}/gtk-doc
 
 %changelog
+* Thu Apr 29 2021 zhangrui <zhangrui182@huawei.com> - 33.19-20
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:do not mount dbus sources
+
 * Mon Mar 29 2021 xuxiaolong <xuxiaolon23@huawei.com> - 33.19-19
 - Type:bugfix
 - ID:NA
diff --git a/bugfix-do-not-mount-dbus-source.patch b/bugfix-do-not-mount-dbus-source.patch
new file mode 100644
index 0000000..e91381b
--- /dev/null
+++ b/bugfix-do-not-mount-dbus-source.patch
@@ -0,0 +1,84 @@
+From 5be52e7c3122634a1d7b011922356788315e22ec Mon Sep 17 00:00:00 2001
+From: root <root@localhost.localdomain>
+Date: Sun, 25 Apr 2021 22:27:18 +0800
+Subject: [PATCH] patch
+
+---
+ pyanaconda/core/constants.py                                | 1 +
+ pyanaconda/modules/payloads/source/cdrom/initialization.py  | 3 ++-
+ pyanaconda/modules/payloads/source/utils.py                 | 4 ++--
+ tests/nosetests/pyanaconda_tests/module_source_base_test.py | 3 +--
+ 4 files changed, 6 insertions(+), 5 deletions(-)
+
+diff --git a/pyanaconda/core/constants.py b/pyanaconda/core/constants.py
+index 4fc4b80..4724dc1 100644
+--- a/pyanaconda/core/constants.py
++++ b/pyanaconda/core/constants.py
+@@ -53,6 +53,7 @@ DRACUT_ISODIR = "/run/install/source"
+ ISO_DIR = MOUNT_DIR + "/isodir"
+ IMAGE_DIR = MOUNT_DIR + "/image"
+ INSTALL_TREE = MOUNT_DIR + "/source"
++SOURCES_DIR = MOUNT_DIR + "/sources"
+ BASE_REPO_NAME = "anaconda"
+ 
+ # Get list of repo names witch should be used as base repo
+diff --git a/pyanaconda/modules/payloads/source/cdrom/initialization.py b/pyanaconda/modules/payloads/source/cdrom/initialization.py
+index 7fc38fc..95303ea 100644
+--- a/pyanaconda/modules/payloads/source/cdrom/initialization.py
++++ b/pyanaconda/modules/payloads/source/cdrom/initialization.py
+@@ -98,7 +98,8 @@ class SetUpCdromSourceTask(SetUpMountTask):
+             try:
+                 device_data = DeviceData.from_structure(device_tree.GetDeviceData(dev_name))
+                 mount(device_data.path, self._target_mount, "iso9660", "ro")
+-            except PayloadSetupError:
++            except PayloadSetupError as e:
++                log.debug("Failed to mount %s: %s", dev_name, str(e))
+                 continue
+ 
+             if is_valid_install_disk(self._target_mount):
+diff --git a/pyanaconda/modules/payloads/source/utils.py b/pyanaconda/modules/payloads/source/utils.py
+index a8e2f49..2dc4062 100644
+--- a/pyanaconda/modules/payloads/source/utils.py
++++ b/pyanaconda/modules/payloads/source/utils.py
+@@ -20,7 +20,7 @@ import os.path
+ from blivet.arch import get_arch
+ from blivet.util import mount
+ 
+-from pyanaconda.core.constants import INSTALL_TREE
++from pyanaconda.core.constants import SOURCES_DIR
+ from pyanaconda.core.storage import device_matches
+ from pyanaconda.core.util import join_paths
+ from pyanaconda.payload.image import find_first_iso_image
+@@ -177,7 +177,7 @@ class MountPointGenerator:
+         :rtype: str
+         """
+         path = "{}/mount-{:0>4}-{}".format(
+-            INSTALL_TREE,
++            SOURCES_DIR,
+             cls._counter,
+             suffix
+         )
+diff --git a/tests/nosetests/pyanaconda_tests/module_source_base_test.py b/tests/nosetests/pyanaconda_tests/module_source_base_test.py
+index c9f00fa..2d1a1da 100644
+--- a/tests/nosetests/pyanaconda_tests/module_source_base_test.py
++++ b/tests/nosetests/pyanaconda_tests/module_source_base_test.py
+@@ -20,7 +20,6 @@ from pathlib import Path
+ from tempfile import TemporaryDirectory
+ from unittest.mock import patch
+ 
+-from pyanaconda.core.constants import INSTALL_TREE
+ from pyanaconda.modules.common.errors.payload import SourceSetupError, SourceTearDownError
+ from pyanaconda.modules.payloads.constants import SourceType
+ from pyanaconda.modules.payloads.source.mount_tasks import SetUpMountTask, TearDownMountTask
+@@ -55,7 +54,7 @@ class MountingSourceMixinTestCase(unittest.TestCase):
+     def counter_test(self):
+         """Mount path in mount source base gets incremental numbers."""
+         module = DummyMountingSourceSubclass()
+-        self.assertTrue(module.mount_point.startswith(INSTALL_TREE + "/mount-"))
++        self.assertTrue(module.mount_point.startswith("/run/install/sources/mount-"))
+         first_counter = int(module.mount_point.split("-")[1])
+ 
+         module = DummyMountingSourceSubclass()
+-- 
+2.27.0
+