Greeting, FYI, we noticed hwsim.ap_ft_eap_cui.fail due to commit (built with gcc-11): commit: 5342b8e20b15e5fb37e49de2435e62dd00ff20fe ("printk: Bring back the RT bits.") https://git.kernel.org/cgit/linux/kernel/git/rt/linux-rt-devel.git linux-6.2.y-rt-rebase in testcase: hwsim version: hwsim-x86_64-717e5d7-1_20220525 with following parameters: test: group-18 on test machine: 4 threads Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz (Skylake) with 32G memory caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): please be noted we also observed below failed on this commit, but pass on parent d144a18b3d136079 5342b8e20b15e5fb37e49de2435 ---------------- --------------------------- fail:runs %reproduction fail:runs | | | :6 83% 5:6 hwsim.ap_ft_eap_cui.fail :6 100% 6:6 hwsim.ap_ft_many.fail :6 100% 6:6 hwsim.ap_ft_pmf_bip_cmac_128.fail If you fix the issue, kindly add following tag | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-lkp/202301242146.213fe56e-oliver.sang@intel.com 2023-01-21 20:29:30 ./run-tests.py ap_ft_eap_cui DEV: wlan0: 02:00:00:00:00:00 DEV: wlan1: 02:00:00:00:01:00 DEV: wlan2: 02:00:00:00:02:00 APDEV: wlan3 APDEV: wlan4 START ap_ft_eap_cui 1/1 Test: WPA2-EAP-FT AP with CUI Starting AP wlan3 Starting AP wlan4 Connect to first AP Connect STA wlan0 to AP Roam to the second AP Roam back to the first AP Roaming association rejected Traceback (most recent call last): File "/lkp/benchmarks/hwsim/tests/hwsim/./run-tests.py", line 534, in main t(dev, apdev) File "/lkp/benchmarks/hwsim/tests/hwsim/test_ap_ft.py", line 1519, in test_ap_ft_eap_cui generic_ap_ft_eap(dev, apdev, vlan=False, cui=True) File "/lkp/benchmarks/hwsim/tests/hwsim/test_ap_ft.py", line 1485, in generic_ap_ft_eap run_roams(dev[0], apdev, hapd, hapd1, ssid, passphrase, eap=True, File "/lkp/benchmarks/hwsim/tests/hwsim/test_ap_ft.py", line 273, in run_roams dev.roam(ap1['bssid']) File "/lkp/benchmarks/hwsim/tests/hwsim/wpasupplicant.py", line 1238, in roam raise Exception("Roaming association rejected") Exception: Roaming association rejected FAIL ap_ft_eap_cui 2.405507 2023-01-21 20:29:33.761610 passed 0 test case(s) skipped 0 test case(s) failed tests: ap_ft_eap_cui To reproduce: git clone https://github.com/intel/lkp-tests.git cd lkp-tests sudo bin/lkp install job.yaml # job file is attached in this email bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run sudo bin/lkp run generated-yaml-file # if come across any failure that blocks the test, # please remove ~/.lkp and /lkp dir to run from a clean state. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests