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Date:   Mon, 9 Mar 2020 13:18:21 +0800
From:   kernel test robot <>
To:     Abhishek Pandit-Subedi <>
        Abhishek Pandit-Subedi <>,
        "David S. Miller" <>,
        Johan Hedberg <>,,,,
Subject: [Bluetooth] c4d74dc565:

FYI, we noticed the following commit (built with gcc-7):

commit: c4d74dc565f9d40044f4cf04fd6e11301517be49 ("[RFC PATCH 2/2] Bluetooth: Handle PM_SUSPEND_PREPARE and PM_POST_SUSPEND")
base: master

in testcase: suspend_stress
with following parameters:

	mode: freeze
	iterations: 10

on test machine: 8 threads KabyLake-r 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 <>

Suspend to freeze 1/10:
/usr/bin/wget -q --timeout=1800 --tries=1 --local-encoding=UTF-8 http://inn:80/~lkp/cgi-bin/lkp-jobfile-append-var?job_file=/lkp/jobs/scheduled/lkp-kblr-hp1/suspend_stress-10-freeze-debian-x86_64-20180403.cgz-c4d74dc565f9d40044f4cf04fd6e11301517be49-20200308-50604-1gonea0-0.yaml&job_state=suspending-1/10 -O /dev/null

To reproduce:

        git clone
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml

Rong Chen

View attachment "config-5.5.0-rc4-00773-gc4d74dc565f9d" of type "text/plain" (202572 bytes)

View attachment "job-script" of type "text/plain" (4847 bytes)

Download attachment "kmsg.xz" of type "application/x-xz" (40844 bytes)

View attachment "suspend_stress" of type "text/plain" (378 bytes)

View attachment "job.yaml" of type "text/plain" (4044 bytes)

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