Hello, kernel test robot noticed "kvm-unit-tests.pmu_lbr.fail" on: commit: 88ec7eedbbd21cad38707620ad6c48a4e9a87c18 ("perf/x86: Fix low freqency setting issue") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [test failed on linus/master 0a87d6bb6fd274cde3bf217a821153714374198f] [test failed on linux-next/master fefb886b1344e222b3218f3c0165b0fd770e8b88] in testcase: kvm-unit-tests version: kvm-unit-tests-x86_64-69574079-1_20250322 with following parameters: config: x86_64-rhel-9.4-func compiler: gcc-12 test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz (Haswell) with 8G memory (please refer to attached dmesg/kmsg for entire log/backtrace) 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 | Closes: https://lore.kernel.org/oe-lkp/202504071232.3c2fa7d5-lkp@intel.com ... PASS pmu (143 tests, 14 skipped) FAIL pmu_lbr (2 tests, 1 unexpected failures) <--- SKIP pmu_pebs (1 tests, 1 skipped) ... one log is attached. The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250407/202504071232.3c2fa7d5-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki