linux-kernel - Re: [rt-devel:linux-6.2.y-rt-rebase] [printk] 5342b8e20b: hwsim.ap_ft_eap

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Date:   Sat, 28 Jan 2023 09:45:57 +0800
From:   Oliver Sang <oliver.sang@...el.com>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
CC:     <oe-lkp@...ts.linux.dev>, <lkp@...el.com>,
        <linux-kernel@...r.kernel.org>, <rcu@...r.kernel.org>
Subject: Re: [rt-devel:linux-6.2.y-rt-rebase] [printk]  5342b8e20b:
 hwsim.ap_ft_eap_cui.fail

hi Sebastian,

On Tue, Jan 24, 2023 at 03:10:06PM +0100, Sebastian Andrzej Siewior wrote:
> On 2023-01-24 21:23:54 [+0800], kernel test robot wrote:
> > 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
> …
> > 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
> 
> This looks unrelated to the commit question. Please check.

we rebuilt the kernel for both this commit and its parent, and make sure the
config are same for both (as attached, actually also same to the config we used
in last tests for oiginal report), then rerun the tests more times, but the
issue seems still persistent

d144a18b3d136079 5342b8e20b15e5fb37e49de2435
---------------- ---------------------------
       fail:runs  %reproduction    fail:runs
           |             |             |
           :20         100%          20:20    hwsim.ap_ft_eap_cui.fail
           :20         100%          20:20    hwsim.ap_ft_many.fail
           :20         100%          20:20    hwsim.ap_ft_pmf_bip_cmac_128.fail

attached one dmesg for this commit and another for parent FYI.

BTW, we noticed PREEMPT_RT is mentioned in commit message, but we didn't enable
it in our config, not sure if this is relevant?

> 
> Sebastian

Download attachment "dmesg.xz" of type "application/x-xz" (150164 bytes)

Download attachment "dmesg-parent.xz" of type "application/x-xz" (197068 bytes)

View attachment "config-6.2.0-rc3-00014-g5342b8e20b15" of type "text/plain" (172225 bytes)