linux-kernel - Re: [PATCH] pci-quirks: disable MSI on RS400-200 and RS480, take #2

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Message-ID: <4641EAA5.4030409@redhat.com>
Date:	Wed, 09 May 2007 11:37:09 -0400
From:	Chuck Ebbert <cebbert@...hat.com>
To:	Tejun Heo <htejun@...il.com>
CC:	Greg K-H <greg@...ah.com>, Jeff Garzik <jeff@...zik.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	IDE/ATA development list <linux-ide@...r.kernel.org>,
	Matías Alejandro Torres <torresmat@...il.com>
Subject: Re: [PATCH] pci-quirks: disable MSI on RS400-200 and RS480, take
 #2

Tejun Heo wrote:
> MSI doesn't work on RS400-200 and RS480 requiring pci=nomsi kernel
> boot parameter for ahci to work.  This patch renames quirk_svw_msi()
> to quirk_disable_all_msi() and use it to disable MSI on those chips.
> 
>   http://thread.gmane.org/gmane.linux.ide/17820
>   http://thread.gmane.org/gmane.linux.ide/17516
>   https://bugzilla.novell.com/show_bug.cgi?id=263893
> 

FWIW several distros have turned off MSI by default and added
a "pci=msi" option to enable it.


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