Hi, Thanks for the report. On Thu, 2017-10-12 at 14:19 +0800, kernel test robot wrote: > FYI, we noticed the following commit (built with gcc-6): > > commit: cd1a0cdbf9ada9bb975d8730a375bc13824ef065 ("mac80211: aead api to reduce redundancy") I guess the commit isn't actually an upstream commit, but one the robot made when applying the patch? > url: https://github.com/0day-ci/linux/commits/Xiang-Gao/mac80211-aead-api-to-reduce-redundancy/20170929-140556 This URL doesn't work (any more?) > 2017-10-05 23:08:27 ./run-tests.py ap_cipher_bip > 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_cipher_bip 1/1 > Test: WPA2-PSK with BIP > Starting AP wlan3 > Connect STA wlan0 to AP > dev1->dev2 unicast data delivery failed > Traceback (most recent call last): > File "./run-tests.py", line 453, in main > t(dev, apdev) > File "/lkp/benchmarks/hwsim/tests/hwsim/test_ap_ciphers.py", line > 279, in test_ap_cipher_bip > check_group_mgmt_cipher(dev[0], apdev[0], "AES-128-CMAC") > File "/lkp/benchmarks/hwsim/tests/hwsim/test_ap_ciphers.py", line > 51, in check_group_mgmt_cipher > hwsim_utils.test_connectivity(dev, hapd) > File "/lkp/benchmarks/hwsim/tests/hwsim/hwsim_utils.py", line 165, > in test_connectivity > raise Exception(last_err) > Exception: dev1->dev2 unicast data delivery failed > FAIL ap_cipher_bip 5.24306 2017-10-05 23:08:32.620542 [... similar results ...] As on the previous version of this report (which had different test cases failing IIRC), I can't reproduce this on my tree, even with your kernel config. Since I can't actually look at the tree state that you had (mac80211-next + patch, but which mac80211-next?), I can't reproduce entirely. johannes