linux-kernel - [PM] bfcc1e67ff: kernel-selftests.breakpoints.step_after_suspend

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Message-ID: <20211014075731.GB18719@xsang-OptiPlex-9020>
Date:   Thu, 14 Oct 2021 15:57:31 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        lkp@...ts.01.org, lkp@...el.com
Subject: [PM]  bfcc1e67ff:
 kernel-selftests.breakpoints.step_after_suspend_test.fail



Greeting,

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

commit: bfcc1e67ff1e4aa8bfe2ca57f99390fc284c799d ("PM: sleep: Do not assume that "mem" is always present")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master


in testcase: kernel-selftests
version: kernel-selftests-x86_64-c8c9111a-1_20210929
with following parameters:

	group: group-00
	ucode: 0x11

test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel.
test-url: https://www.kernel.org/doc/Documentation/kselftest.txt


on test machine: 288 threads 2 sockets Intel(R) Xeon Phi(TM) CPU 7295 @ 1.50GHz with 80G memory

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




If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>


TAP version 13
1..2
# selftests: breakpoints: step_after_suspend_test
# TAP version 13
# Bail out! Failed to enter Suspend state
# # Totals: pass:0 fail:0 xfail:0 xpass:0 skip:0 error:0
not ok 1 selftests: breakpoints: step_after_suspend_test # exit=1



To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        sudo bin/lkp install job.yaml           # job file is attached in this email
        bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
        sudo bin/lkp run generated-yaml-file

        # if come across any failure that blocks the test,
        # please remove ~/.lkp and /lkp dir to run from a clean state.



---
0DAY/LKP+ Test Infrastructure                   Open Source Technology Center
https://lists.01.org/hyperkitty/list/lkp@lists.01.org       Intel Corporation

Thanks,
Oliver Sang


View attachment "config-5.15.0-rc1-00001-gbfcc1e67ff1e" of type "text/plain" (176418 bytes)

View attachment "job-script" of type "text/plain" (6249 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (28444 bytes)

View attachment "kernel-selftests" of type "text/plain" (8474 bytes)

View attachment "job.yaml" of type "text/plain" (5258 bytes)

View attachment "reproduce" of type "text/plain" (162 bytes)