linux-kernel - [kthread] 2e7d8748eb: last_state.is_incomplete

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Message-ID: <20200820062533.GK18179@shao2-debian>
Date:   Thu, 20 Aug 2020 14:25:33 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     Qianli Zhao <zhaoqianligood@...il.com>
Cc:     tglx@...utronix.de, axboe@...nel.dk, akpm@...ux-foundation.org,
        Felix.Kuehling@....com, john.stultz@...aro.org, sboyd@...nel.org,
        ben.dooks@...ethink.co.uk, bfields@...hat.com, cl@...k-chips.com,
        linux-kernel@...r.kernel.org, zhaoqianli@...omi.com,
        0day robot <lkp@...el.com>, lkp@...ts.01.org
Subject: [kthread] 2e7d8748eb: last_state.is_incomplete_run

Greeting,

FYI, we noticed the following commit (built with gcc-9):

commit: 2e7d8748eba7e32150cbd4f57129ea77d1255892 ("[RFC V2] kthread: add object debug support")
url: https://github.com/0day-ci/linux/commits/Qianli-Zhao/kthread-add-object-debug-support/20200812-131719
base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git fb893de323e2d39f7a1f6df425703a2edbdf56ea

in testcase: boot

on test machine: 8 threads Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz with 16G memory

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):



kernel boot failed by kexec:

user  :notice: .[32m[  +0.371313] .[0m.[33mLKP.[0m: kexec loading...
user  :notice: .[32m[  +0.007118] .[0mkexec --noefi -l /opt/rootfs/tmp/pkg/linux/x86_64-rhel-8.3/gcc-9/2e7d8748eba7e32150cbd4f57129ea77d1255892/vmlinuz-5.8.0-12610-g2e7d8748eba7e --initrd=/opt/rootfs/tmp/initrd-concatenated




Thanks,
Rong Chen


View attachment "config-5.8.0-12610-g2e7d8748eba7e" of type "text/plain" (158991 bytes)

View attachment "job-script" of type "text/plain" (5422 bytes)

Download attachment "pre-dmesg.gz" of type "application/gzip" (24813 bytes)