linux-kernel - Re: PCI MSI breaks when booting with nosmp

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Date:	Thu, 17 Apr 2008 22:25:14 +0200
From:	Jean Delvare <jdelvare@...e.de>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	linux-pci@...ey.karlin.mff.cuni.cz, Pavel Machek <pavel@....cz>,
	Tejun Heo <htejun@...il.com>,
	Tom Long Nguyen <tom.l.nguyen@...el.com>,
	Randy Dunlap <rdunlap@...otime.net>,
	Jeff Garzik <jgarzik@...ox.com>
Subject: Re: PCI MSI breaks when booting with nosmp

Le jeudi 17 avril 2008, Jesse Barnes a écrit :
> On Thursday, April 17, 2008 12:40 pm Jean Delvare wrote:
> > Booting with "nosmp" doesn't work on my Thinkpad T60p laptop while
> > booting with "nosmp pci=nomsi" works. Forcibly disabling PCI MSI
> > when booting with nosmp fixes the problem. I'm not sure if it's the
> > correct fix though.
> 
> Seems like this is fixing the symptom, not the cause.  I'll see if I can 
> reproduce locally...

If it helps, the device that breaks is:
00:1f.2 SATA controller: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA AHCI Controller (rev 02)
i.e. SATA hard disk drive on an Intel ICH7 controller.

-- 
Jean Delvare
Suse L3
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