linux-kernel - Re: [reboot] WARNING: CPU: 0 PID: 112 at kernel/events/core.c:5655 perf_swevent

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20140311023312.GA9157@localhost>
Date:	Tue, 11 Mar 2014 10:33:12 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [reboot] WARNING: CPU: 0 PID: 112 at kernel/events/core.c:5655
 perf_swevent_add()

Hi Jiri,

On Mon, Mar 10, 2014 at 01:53:19PM +0100, Jiri Olsa wrote:
> On Sat, Mar 08, 2014 at 02:51:53PM +0800, Fengguang Wu wrote:
> > 
> > Hi all,
> > 
> > This is a very old WARNING, too old to be bisectable. The below 3 different
> > back traces show that it's always triggered by trinity at system reboot time.
> > Any ideas to quiet it? Thank you!
> 
> hi,
> is there cpu hotplug involved? like writing to:
>   /sys/devices/system/cpu/cpu*/online

Yeah, we do run random CPU hotplug tests in the background.

Thanks,
Fengguang
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/