> -----Original Message----- > From: kernel test robot [mailto:rong.a.c...@intel.com] > Sent: Thursday, March 07, 2019 3:05 PM > To: Tony Chuang > Cc: Johannes Berg; Larry Finger; LKML; Linus Torvalds; l...@01.org > Subject: [LKP] [mac80211] c752cac9db: > hwsim.ap_vlan_iface_cleanup_multibss_per_sta_vif.fail > > FYI, we noticed the following commit (built with gcc-8): > > commit: c752cac9db1b0c469db7ba9d17af4ba708984db5 ("mac80211: fix > GFP_KERNEL under tasklet context") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > > in testcase: hwsim > with following parameters: > > group: hwsim-02 > > > > on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 > -m 4G > > caused below changes (please refer to attached dmesg/kmsg for entire > log/backtrace): >
<...> > > 2019-03-06 14:51:15 ./run-tests.py ap_vlan_iface_cleanup_multibss > 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_vlan_iface_cleanup_multibss 1/1 > Test: AP VLAN operation in multi-BSS multi-VLAN case > RTNETLINK answers: File exists > Starting AP wlan4 > Starting interface wlan3 > Connect STA wlan0 to AP > Connect STA wlan1 to AP > wlan0 -> VLAN 2 > test wlan1 == VLAN 1 > wlan1 -> VLAN 2 > test wlan0 == VLAN 2 > PASS ap_vlan_iface_cleanup_multibss 3.037115 2019-03-06 14:51:19.362536 > passed all 1 test case(s) > 2019-03-06 14:51:19 ./run-tests.py > ap_vlan_iface_cleanup_multibss_per_sta_vif > 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_vlan_iface_cleanup_multibss_per_sta_vif 1/1 > Test: AP VLAN operation in multi-BSS multi-VLAN case with per-sta-vif set > Starting AP wlan4 > Starting interface wlan3 > Connect STA wlan0 to AP > Connect STA wlan1 to AP > dev1->dev2 unicast data delivery failed > Traceback (most recent call last): > File "./run-tests.py", line 466, in main > t(dev, apdev) > File "/lkp/benchmarks/hwsim/tests/hwsim/test_ap_vlan.py", line 505, in > test_ap_vlan_iface_cleanup_multibss_per_sta_vif > 'multi-bss-iface-per_sta_vif.conf') > File "/lkp/benchmarks/hwsim/tests/hwsim/test_ap_vlan.py", line 413, in > ap_vlan_iface_cleanup_multibss > hwsim_utils.test_connectivity_iface(dev[1], hapd1, "brvlan1") > File "/lkp/benchmarks/hwsim/tests/hwsim/hwsim_utils.py", line 176, in > test_connectivity_iface > max_tries=max_tries, timeout=timeout) > File "/lkp/benchmarks/hwsim/tests/hwsim/hwsim_utils.py", line 169, in > test_connectivity > raise Exception(last_err) > Exception: dev1->dev2 unicast data delivery failed > FAIL ap_vlan_iface_cleanup_multibss_per_sta_vif 6.917146 2019-03-06 > 14:51:26.784664 > passed 0 test case(s) > skipped 0 test case(s) > failed tests: ap_vlan_iface_cleanup_multibss_per_sta_vif <...> > > > To reproduce: > > # build kernel > cd linux > cp config-4.19.0-12453-gc752cac .config > make HOSTCC=gcc-8 CC=gcc-8 ARCH=x86_64 olddefconfig > make HOSTCC=gcc-8 CC=gcc-8 ARCH=x86_64 prepare > make HOSTCC=gcc-8 CC=gcc-8 ARCH=x86_64 modules_prepare > make HOSTCC=gcc-8 CC=gcc-8 ARCH=x86_64 SHELL=/bin/bash > make HOSTCC=gcc-8 CC=gcc-8 ARCH=x86_64 bzImage > > > git clone https://github.com/intel/lkp-tests.git > cd lkp-tests > bin/lkp qemu -k <bzImage> job-script # job-script is attached in this > email > > > > Thanks, > Rong Chen It looks really strange that this patch failed the test. And I checked the dmesg, the log shows me that PASS ap_vlan_iface_cleanup_multibss_per_sta_vif At line 24000. So I think I need to reproduce this to confirm it. Or anyone has any idea please let me know. Thanks Yan-Hsuan
