linux-kernel - Re: 2.6.21-rc7-mm2 hangs in boot (netconsole)

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Message-ID: <20070501062456.GS25929@bingen.suse.de>
Date:	Tue, 1 May 2007 08:24:56 +0200
From:	Andi Kleen <ak@...e.de>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Randy Dunlap <randy.dunlap@...cle.com>, Andi Kleen <ak@...e.de>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.21-rc7-mm2 hangs in boot (netconsole)

> The bug is in firstfloor only, and the fix (if present) will be there too.
> 
> <checks>
> 
> Nope,
> 
> ftp://ftp.firstfloor.org/pub/ak/x86_64/quilt/patches/sched-clock-share
> 
> is identical to
> 
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21-rc7/2.6.21-rc7-mm2/broken-out/x86_64-mm-sched-clock-share.patch

Or perhaps the deadlock is in the cpufrequency handler. Does it happen without CONFIG_CPUFREQ
too?

[cpufreq handler calls ktime_get which might take xtime lock for reading] 

-Andi
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