Re: [PM] bfcc1e67ff: kernel-selftests.breakpoints.step_after_suspend_test.fail

[Rafael J. Wysocki]

On 10/14/2021 6:26 PM, Florian Fainelli wrote:
> On 10/14/21 12:57 AM, kernel test robot wrote:
> > 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@xxxxxxxxx>
> Thanks for your report. Assuming that the code responsible for
> registering the suspend operations is drivers/acpi/sleep.c for your
> platform, and that acpi_sleep_suspend_setup() iterated over all possible
> sleep states, your platform must somehow be returning that ACPI_STATE_S3
> is not a supported state somehow?
>
> Rafael have you ever encountered something like that?

Yes, there are systems with ACPI that don't support S3.


> > 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@xxxxxxxxxxxx       Intel Corporation
> >
> > Thanks,
> > Oliver Sang