linux-kernel - Re: [Bugme-new] [Bug 11543] New: kernel panic: softlockup in tick

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Message-ID: <20080917132904.GB7309@lenovo>
Date:	Wed, 17 Sep 2008 17:29:04 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	j_kernel@...litt.com, Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, bugme-daemon@...zilla.kernel.org
Subject: Re: [Bugme-new] [Bug 11543] New: kernel panic: softlockup in
	tick_periodic() ???

[Ingo Molnar - Wed, Sep 17, 2008 at 03:13:06PM +0200]
| 
| > Evetually nmi_watchdog=2 does work right? Though it's not good that 
| > we've got 8259 spurious interrupt. Hmm...
| 
| well, nmi_watchdog=2 changes the layout of clockevent devices and easily 
| switches the system into non-highres non-dynticks mode. So it can hide 
| bugs.
| 
| 	Ingo
| 

and it does since we have nmi stuck on lapics. Still investigating.

		- Cyrill -
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