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

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Message-ID: <20080918070947.GA7800@lenovo>
Date:	Thu, 18 Sep 2008 11:09:47 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	j_kernel@...litt.com
Cc:	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, bugme-daemon@...zilla.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [Bugme-new] [Bug 11543] New: kernel panic: softlockup in
	tick_periodic() ???

[j_kernel@...litt.com - Wed, Sep 17, 2008 at 10:48:50AM -1000]
| On Wed, Sep 17, 2008 at 08:27:04PM +0400, Cyrill Gorcunov wrote:
| > Joshua, could you please do one more thing - boot the kernel
| > with "debug apic=debug nmi_watchdog=1" (among others) and
| > publish dmsg?
| 
| dmesg from "debug apic=debug nmi_watchdog=2" is attached.
|                                           ^
| 
| -J
| 
| --
...

No Joshua, exactly 'nmi_watchdog=1' since it's important to
find who is responsible that cpu is stuck while testing nmi
watchdog. 'debug and apic=debug' will show additional info
what is happening. And it would be just great if you able
to try latest -tip/master

	http://people.redhat.com/mingo/tip.git/README

since there a lot of work/fix are done. If it's a problem
to fetch this kernel thru git - me or Ingo (I suppose)
could make tar.bz2 archive so you'll not need to fetch
the whole history. I wouldn't say I'm really specialist
in this area so your report could be quite important
not for me only but for others too.

		- Cyrill -
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