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From: Thomas Gleixner <tglx@linutronix.de>
To: Yisheng Xie <xieyisheng1@huawei.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	John Stultz <john.stultz@linaro.org>,
	Hanjun Guo <guohanjun@huawei.com>,
	Xishi Qiu <qiuxishi@huawei.com>
Subject: Re: [RFC] panic on cascade() of kernel/time/timer.c
Date: Wed, 30 Nov 2016 10:18:44 +0100 (CET)	[thread overview]
Message-ID: <alpine.DEB.2.20.1611301015080.3439@nanos> (raw)
In-Reply-To: <df18ee20-4b54-b8f5-2a21-aa1c7a8a0c28@huawei.com>

On Wed, 30 Nov 2016, Yisheng Xie wrote:

> Hi all,
> The kernel version is 4.1.18, and we got a panic at cascade().
> from the log it seems cause by BUG_ON of kernel/time/timer.c:1120.
> Any ideas about about it?

Probably a timer which got freed while enqueued or some other wreckage in
that area. Certainly not a core code problem.

Enable CONFIG_DEBUG_OBJECTS* and try to reproduce. The debug facility will
tell you which driver/whatever causes the problem.

Thanks,

	tglx

  reply	other threads:[~2016-11-30  9:21 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-30  8:58 Yisheng Xie
2016-11-30  9:18 ` Thomas Gleixner [this message]
2016-11-30  9:42   ` Yisheng Xie

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