linux-kernel - Re: [2.6.21.1] soft lockup when removing netconsole module

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Message-Id: <1180195927.4264.11.camel@chaos>
Date:	Sat, 26 May 2007 18:12:07 +0200
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Parag Warudkar <parag.warudkar@...il.com>
Cc:	Folkert van Heusden <folkert@...heusden.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [2.6.21.1] soft lockup when removing netconsole module

On Sat, 2007-05-26 at 11:53 -0400, Parag Warudkar wrote:
> Seems to be hrtimers related - CC'ed Thomas.

I doubt that. The tick interrupt just finds out, that the machine is
stuck in rmmod.

> > Also the rmmod hangs and would not exit even with kill -9. It also
> > sucks up 100% cpu.

Can you please enable CONFIG_PROVE_LOCKING ?

Thanks,

	tglx


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