diff --git a/0005-Propeller-bugfix-for-MachineBasicBlock-hash-set.patch b/0005-Propeller-bugfix-for-MachineBasicBlock-hash-set.patch
new file mode 100644
index 0000000000000000000000000000000000000000..6baeba211638794a05e5e0533ae5228faa13f0d2
--- /dev/null
+++ b/0005-Propeller-bugfix-for-MachineBasicBlock-hash-set.patch
@@ -0,0 +1,39 @@
+From e852d4cf3cafaabf907daf225ad32c3cc4d853f1 Mon Sep 17 00:00:00 2001
+From: liyunfei <liyunfei33@huawei.com>
+Date: Thu, 28 Aug 2025 20:42:49 +0800
+Subject: [PATCH] [Propeller] bugfix for MachineBasicBlock hush set
+
+In some testcases x86 codegen might gen MBB with no BBID. Set hash for
+these MBB will cause assertion fail.
+---
+ llvm/include/llvm/CodeGen/MachineBasicBlock.h | 11 +++++++++--
+ 1 file changed, 9 insertions(+), 2 deletions(-)
+
+diff --git a/llvm/include/llvm/CodeGen/MachineBasicBlock.h b/llvm/include/llvm/CodeGen/MachineBasicBlock.h
+index 51660e4ded13..b8789cd5afd4 100644
+--- a/llvm/include/llvm/CodeGen/MachineBasicBlock.h
++++ b/llvm/include/llvm/CodeGen/MachineBasicBlock.h
+@@ -667,12 +667,19 @@ public:
+ 
+   std::optional<UniqueBBID> getBBID() const { return BBID; }
+ 
+-  uint64_t getHash() const { return BBID->Hash; }
++  uint64_t getHash() const {
++    if (BBID)
++      return BBID->Hash;
++    return 0;
++  }
+ 
+   /// Returns the section ID of this basic block.
+   MBBSectionID getSectionID() const { return SectionID; }
+ 
+-  void setHash(uint64_t Hash) { BBID->Hash = Hash; }
++  void setHash(uint64_t Hash) {
++    if (BBID)
++      BBID->Hash = Hash;
++  }
+ 
+   /// Sets the fixed BBID of this basic block.
+   void setBBID(const UniqueBBID &V) {
+-- 
+Gitee
diff --git a/llvm-for-oE-17.0.6-2506.0.4.tar.gz b/llvm-for-oE-17.0.6-2509.0.2.tar.gz
similarity index 31%
rename from llvm-for-oE-17.0.6-2506.0.4.tar.gz
rename to llvm-for-oE-17.0.6-2509.0.2.tar.gz
index 171f896de39b0f6dac45da2dda89362360f79b53..4109f4bcc611b4e31fc558db06308246d42bdb96 100644
--- a/llvm-for-oE-17.0.6-2506.0.4.tar.gz
+++ b/llvm-for-oE-17.0.6-2509.0.2.tar.gz
@@ -1,3 +1,3 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:db05405706279885e543dd562d7f2887fd433eb10dae819811df7d588e8548b3
-size 212541296
+version https://git-lfs.github.com/spec/v1
+oid sha256:717518c4ddf31b5d141fce1bdac7ede96a59de292f09f72482277ca0a49f489b
+size 212666397
\ No newline at end of file
diff --git a/llvm-toolset-17.spec b/llvm-toolset-17.spec
index 81d5691267402e4d847aa2f2d31a7fc7d5eb685a..3f64e76069723e82fde4eebb9c50071b4213c294 100644
--- a/llvm-toolset-17.spec
+++ b/llvm-toolset-17.spec
@@ -9,11 +9,7 @@
 # Build sys_llvm packages or compat packages
 %bcond_with sys_llvm
 %bcond_with check
-%if %{os_version} == 2203
-%bcond_with toolchain_clang
-%else
 %bcond_without toolchain_clang
-%endif
 
 # mlir requires pybind11-2.9 but 22.03 only have pybind11-2.8
 %if %{os_version} <= 2203
@@ -30,7 +26,7 @@
 
 %undefine __cmake_in_source_build
 
-%global src_tarball llvm-for-oE-17.0.6-2506.0.4
+%global src_tarball llvm-for-oE-17.0.6-2509.0.2
 %global src_tarball_dir llvm-project-%{src_tarball}
 
 #region LLVM globals
@@ -150,7 +146,7 @@
 #region main package
 Name:		llvm-toolset-%{maj_ver}
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}
-Release:	10
+Release:	11
 Summary:	The Low Level Virtual Machine
 
 License:	NCSA
@@ -169,6 +165,7 @@ Patch0003: 0003-fedora-standalone.patch
 %if %{os_version} <= 2003
 Patch0004: 0004-remove-cmake_minimum_required.patch
 %endif
+Patch0005: 0005-Propeller-bugfix-for-MachineBasicBlock-hash-set.patch
 
 BuildRequires:	gcc
 BuildRequires:	gcc-c++
@@ -2776,6 +2773,11 @@ fi
 #endregion files
 
 %changelog
+* Fri Oct 17 2025 liyunfei <liyunfei33@huawei.com> - 17.0.6-11
+- update to llvm-for-oe-17.0.6-2509.0.2
+- release-note https://gitee.com/openeuler/llvm-project/releases/tag/llvm-for-oE-17.0.6-2509.0.2
+- add fix for Propeller MachineBasicBlock hash set
+
 * Tue Jul 01 2025 Wang Qiang <wangqiang1@kylinos.cn> - 17.0.6-10
 - Replaced the hardcoded /opt/openEuler path with /opt/\%{_vendor}