linux-kernel - Re: [perf_swevent_add] WARNING: CPU: 0 PID: 393 at kernel/events/core.c:7735 perf_swevent

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Message-ID: <20171113144712.wajhy3t4wrtik6t5@wfg-t540p.sh.intel.com>
Date:   Mon, 13 Nov 2017 22:47:12 +0800
From:   Fengguang Wu <fengguang.wu@...el.com>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>,
        David Carrillo-Cisneros <davidcc@...gle.com>,
        Tejun Heo <tj@...nel.org>,
        Hari Bathini <hbathini@...ux.vnet.ibm.com>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [perf_swevent_add] WARNING: CPU: 0 PID: 393 at
 kernel/events/core.c:7735 perf_swevent_add+0xe0/0x14f

On Mon, Nov 13, 2017 at 03:36:05PM +0100, Jiri Olsa wrote:
>On Sat, Nov 11, 2017 at 06:37:58PM +0800, Fengguang Wu wrote:
>> Hello,
>>
>> FYI this happens in 4.14.0-rc8, however not a new bug.
>
>SNIP
>
>> #!/bin/bash
>>
>> kernel=$1
>> initrd=initrd.img
>>
>> wget --no-clobber https://github.com/fengguang/reproduce-kernel-bug/raw/master/initrd.img/$initrd
>
>2017-11-13 15:34:14 ERROR 404: Not Found.

Sorry, please replace the 2 lines with

        initrd=quantal-core-x86_64.cgz

        wget --no-clobber https://github.com/fengguang/reproduce-kernel-bug/raw/master/quantal/$initrd

Thanks,
Fengguang