diff --git a/tuned-2.18.0-sd-load-balance.patch b/tuned-2.18.0-sd-load-balance.patch
index e53fe94edf1dee31d0346c38c9cd27e212c62d6a..d42600c27822a33e14651c4d9adeb87fd291c4ad 100644
--- a/tuned-2.18.0-sd-load-balance.patch
+++ b/tuned-2.18.0-sd-load-balance.patch
@@ -69,9 +69,9 @@ index 979e40b..842e2bd 100644
  
 -cmd_isolcpus=${f:regex_search_ternary:${no_balance_cores}:\s*[0-9]: isolcpus=${no_balance_cores}:}
 -
- [sysfs]
- /sys/bus/workqueue/devices/writeback/cpumask = ${not_isolated_cpumask}
- /sys/devices/virtual/workqueue/cpumask = ${not_isolated_cpumask}
+ [sysctl]
+ kernel.hung_task_timeout_secs = 600
+ kernel.nmi_watchdog = 0
 @@ -68,4 +66,4 @@ priority=10
  initrd_remove_dir=True
  initrd_dst_img=tuned-initrd.img
diff --git a/tuned-2.20.0.tar.gz b/tuned-2.20.0.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..fd1c653041798a957c7f560d440df7cb51daa18d
Binary files /dev/null and b/tuned-2.20.0.tar.gz differ
diff --git a/tuned-2.21.0.tar.gz b/tuned-2.21.0.tar.gz
deleted file mode 100644
index 8e7935b9f0e5ed965d2c3732e84f6bab238a36ba..0000000000000000000000000000000000000000
Binary files a/tuned-2.21.0.tar.gz and /dev/null differ
diff --git a/tuned.spec b/tuned.spec
index c6cb52d0144b4238c7682e9b9a1d26ea8b21fc05..2610379a8148b9de92112f405764183b1854975b 100644
--- a/tuned.spec
+++ b/tuned.spec
@@ -1,6 +1,6 @@
 Summary: A system tuning service for Linux
 Name: tuned
-Version: 2.21.0
+Version: 2.20.0
 Release: 1
 License: GPLv2+
 Source0: https://github.com/redhat-performance/%{name}/archive/refs/tags/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
@@ -256,7 +256,7 @@ fi
 %{_libexecdir}/%{name}/defirqaffinity*
 %{_libexecdir}/%{name}/pmqos-static*
 %{python3_sitelib}/%{name}
-%{_datadir}/dbus-1/system.d/com.redhat.%{name}.conf
+%{_sysconfdir}/dbus-1/system.d/com.redhat.%{name}.conf
 %verify(not size mtime md5) %{_sysconfdir}/modprobe.d/%{name}.conf
 %{_tmpfilesdir}/%{name}.conf
 %{_unitdir}/%{name}.service
@@ -294,6 +294,9 @@ fi
 %{_mandir}/man7/tuned-profiles-spectrumscale-ece.7*
 
 %changelog
+* Tue Feb 27 2024 liuchao <liuchao173@huawei.com> - 2.20.0-1
+- downgrade to 2.20.0 to match the 24.03 LTS's minimum set of core packages
+
 * Thu Jan 25 2024 liuchao <liuchao173@huawei.com> - 2.21.0-1
 - upgrade to 2.21.0:
   - api: fixed stop method not to require any parameter