linux-kernel - Re: [BUG] Patch "CPU hotplug: call check_tsc_sync_source() with irqs off" breaks some drivers

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Message-ID: <20070326065604.GA19402@elte.hu>
Date:	Mon, 26 Mar 2007 08:56:04 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Nicolas Boichat <nicolas@...chat.ch>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Michal Piotrowski <michal.k.k.piotrowski@...il.com>,
	linux-kernel@...r.kernel.org, alsa-devel@...ts.sourceforge.net,
	tiwai@...e.de
Subject: Re: [BUG] Patch "CPU hotplug: call check_tsc_sync_source() with irqs off" breaks some drivers


* Nicolas Boichat <nicolas@...chat.ch> wrote:

> > I found out which commit seems to cause these bugs:
> > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d04f41e35343f1d788551fd3f753f51794f4afcf
> > 
> > The latest GIT without this commit works fine, but doesn't with it.
> 
> Sorry about blaming this commit. The problems happen randomly (about 1 
> reboot over 2 is ok, at least with 2.6.21-rc4). I'll run more tests 
> and post the results later.

is this the 32-bit kernel? If yes then does commit 
4edc5db83f574dfcc8be35b7b96760ded543b360 (included in -rc5) fix it?

	Ingo
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