netdev - Re: kselftest: net: tls: hangs

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Message-ID: <CA+G9fYsjP2+20YLbKTFU-4_v+VLq6MfaagjERL9PWETs+sX8Zg@mail.gmail.com>
Date:   Tue, 29 Mar 2022 20:19:10 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Shuah Khan <shuah@...nel.org>,
        Shuah Khan <skhan@...uxfoundation.org>,
        "David S. Miller" <davem@...emloft.net>,
        Paolo Abeni <pabeni@...hat.com>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        lkft-triage@...ts.linaro.org, Netdev <netdev@...r.kernel.org>
Subject: Re: kselftest: net: tls: hangs

Hi Jakub,

> >> This seems to be the problem perhaps.
> >>
> >> Jakub, any thoughts. The last change to tls.c was a while back.
> >
> > Yes, sorry, kicked off a build and got distracted.
> >
> > I can repro the failures, TLS=n in the config I must have not tested
> > that in the new cases.

Thanks for investigation and reproducing the test failures.

> >
> > But I can't repro the hung, and we have a timer at the hardness level
> > IIUC so IDK how this could "hang"?

Did you get a chance to build and test with the config file that I
have provided ?
I am using kselftest-merge configs for my daily CI system [1] on gitlab.

If you think the Kconfig is a test

> > Naresh, is there any stack trace in the logs? Can you repro on Linus's
> > tree?

There is no stack trace print, it was only hung.

> I couldn't reproduce this either - I have TLS=m

If you want to reproduce the same build or re-use the bzImage /
vmlinux / System.map
you may check the provided link [1].

Step to reproduce [1]:

# TuxMake supports the concept of runtimes.
# See https://docs.tuxmake.org/runtimes/, for that to work it requires
# that you install podman or docker on your system.
#
# To install tuxmake on your system globally:
# sudo pip3 install -U tuxmake
#
# See https://docs.tuxmake.org/ for complete documentation.
# Original tuxmake command with fragments listed below.

tuxmake --runtime podman --target-arch x86_64 --toolchain gcc-11
--kconfig defconfig --kconfig-add
https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/lkft.config
--kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/lkft-crypto.config
--kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/distro-overrides.config
--kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/systemd.config
--kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/virtio.config
--kconfig-add CONFIG_IGB=y --kconfig-add
CONFIG_UNWINDER_FRAME_POINTER=y cpupower headers kernel kselftest
kselftest-merge modules


[1] https://builds.tuxbuild.com/26mKij4yB5Q6WUpOyHHEoHLstVJ/

- Naresh