Re: [LKP] [mac80211] c752cac9db: hwsim.ap_vlan_iface_cleanup_multibss_per_sta_vif.fail
On Thu, Mar 07, 2019 at 03:59:16PM +0800, kernel test robot wrote:
> On Thu, Mar 07, 2019 at 07:49:11AM +, Tony Chuang wrote:
> >
> >
> > > -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 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.
>
> Hi,
>
> This doesn't happen every time. Here is a bad result:
>
> 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 5
Re: [LKP] [mac80211] c752cac9db: hwsim.ap_vlan_iface_cleanup_multibss_per_sta_vif.fail
On Thu, Mar 07, 2019 at 07:49:11AM +, Tony Chuang wrote:
>
>
> > -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 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.
Hi,
This doesn't happen every time. Here is a bad result:
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
RE: [LKP] [mac80211] c752cac9db: hwsim.ap_vlan_iface_cleanup_multibss_per_sta_vif.fail
> -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 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
