linux-kernel - [drm/i915/rpm] 527bab0473: assertion

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Date:   Sun, 23 Jan 2022 21:47:59 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Tilak Tangudu <tilak.tangudu@...el.com>
Cc:     Rodrigo Vivi <rodrigo.vivi@...el.com>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
        lkp@...el.com
Subject: [drm/i915/rpm]  527bab0473: assertion_failure



Greeting,

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

commit: 527bab0473f28236e4587c7870586275c1ef5516 ("drm/i915/rpm: Enable runtime pm autosuspend by default")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: igt
version: igt-x86_64-0d559158-1_20220115
with following parameters:

	group: group-00
	ucode: 0x28



on test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz with 8G 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>



user  :notice: [   41.226797] IGT-Version: 1.26-g0d559158 (x86_64) (Linux: 5.15.0-rc7-01400-g527bab0473f2 x86_64)

user  :notice: [   41.239093] Starting subtest: min-max-config-idle

user  :notice: [   42.865887] (i915_pm_rps:1379) CRITICAL: Test assertion failure function idle_check, file ../tests/i915/i915_pm_rps.c:491:

user  :info  : [   42.866257] [IGT] i915_pm_rps: exiting, ret=98
user  :notice: [   42.879114] (i915_pm_rps:1379) CRITICAL: Failed assertion: freqs[ACT] == freqs[RPn]

user  :notice: [   42.886398] (i915_pm_rps:1379) CRITICAL: Last errno: 2, No such file or directory


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-rc7-01400-g527bab0473f2" of type "text/plain" (176712 bytes)

View attachment "job-script" of type "text/plain" (5216 bytes)

Download attachment "kmsg.xz" of type "application/x-xz" (34324 bytes)

View attachment "igt" of type "text/plain" (151249 bytes)

View attachment "job.yaml" of type "text/plain" (4403 bytes)

View attachment "reproduce" of type "text/plain" (6751 bytes)