Thread (1 message) 1 message, 1 author, 2020-06-23

Re: [cpufreq] d83f959b5e: kmsg.cpufreq:cpufreq_online:Failed_to_initialize_policy_for_cpu:#(-#)

From: Quentin Perret <hidden>
Date: 2020-06-23 09:25:45
Also in: linuxppc-dev, lkml, oe-lkp

Hi,

Thanks for the report.

On Monday 22 Jun 2020 at 08:54:57 (+0800), kernel test robot wrote:
Greeting,

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

commit: d83f959b5e7a6378a4afbff23de2a2d064d95749 ("[PATCH 2/2] cpufreq: Specify default governor on command line")
url: https://github.com/0day-ci/linux/commits/Quentin-Perret/cpufreq-Specify-the-default-governor-on-command-line/20200616-005920
base: https://git.kernel.org/cgit/linux/kernel/git/rafael/linux-pm.git linux-next

in testcase: kernel-selftests
with following parameters:

	group: kselftests-x86
	ucode: 0xdc

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: 8 threads Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz with 16G 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 <redacted>



[    8.715369] intel_pstate: Intel P-state driver initializing
[    8.721146] cpufreq: cpufreq_online: Failed to initialize policy for cpu: 0 (-61)
[    8.728900] cpufreq: cpufreq_online: Failed to initialize policy for cpu: 1 (-61)
[    8.736615] cpufreq: cpufreq_online: Failed to initialize policy for cpu: 2 (-61)
[    8.744400] cpufreq: cpufreq_online: Failed to initialize policy for cpu: 3 (-61)
[    8.752222] cpufreq: cpufreq_online: Failed to initialize policy for cpu: 4 (-61)
[    8.760010] cpufreq: cpufreq_online: Failed to initialize policy for cpu: 5 (-61)
[    8.768077] cpufreq: cpufreq_online: Failed to initialize policy for cpu: 6 (-61)
[    8.775891] cpufreq: cpufreq_online: Failed to initialize policy for cpu: 7 (-61)
That, I think, is because of the issue I reported here:

    https://lore.kernel.org/lkml/20200615174141.GA235811@google.com/ (local)

The v2 (to be posted shortly) will address this.

Thanks,
Quentin
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