Hi Filipe, First bad commit (maybe != root cause): tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: a9d08fabefcfd9cb8ebe45f8b79a321c0f349d40 commit: 2582bb7bd5a9278555265a99a94a8416e5eb7d3c [1673/1673] Btrfs: fix deadlock between fiemap and transaction commits config: x86_64-buildonly-randconfig-002-20250628 (https://download.01.org/0day-ci/archive/20250630/202506300834.dp152UeL-lkp@i...) compiler: clang version 20.1.7 (https://github.com/llvm/llvm-project 6146a88f60492b520a36f8f8f3231e15f3cc6082) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250630/202506300834.dp152UeL-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202506300834.dp152UeL-lkp@intel.com/ All warnings (new ones prefixed by >>):

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fs/btrfs/transaction.o: warning: objtool: start_transaction()+0x3bd: unreachable instruction

-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki