From: Tejun Heo <htejun@gmail.com>
To: Chuck Ebbert <cebbert@redhat.com>
Cc: "Greg K-H" <greg@kroah.com>, "Jeff Garzik" <jeff@garzik.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
"IDE/ATA development list" <linux-ide@vger.kernel.org>,
"Matías Alejandro Torres" <torresmat@gmail.com>
Subject: Re: [PATCH] pci-quirks: disable MSI on RS400-200 and RS480, take #2
Date: Wed, 09 May 2007 17:50:52 +0200 [thread overview]
Message-ID: <4641EDDC.1020102@gmail.com> (raw)
In-Reply-To: <4641EAA5.4030409@redhat.com>
Chuck Ebbert wrote:
> 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.
Yeah, it seem to cause a lot of problems on certain chips but I think
the correct path is to add PCI quirks for those. Most MSI problems I've
seen are on these ATI chips. Do you happen to know any other?
Thanks.
--
tejun
next prev parent reply other threads:[~2007-05-09 15:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-09 12:23 [PATCH] pci-quirks: disable MSI on RS400-200 and RS480, take #2 Tejun Heo
2007-05-09 15:37 ` Chuck Ebbert
2007-05-09 15:50 ` Tejun Heo [this message]
2007-05-09 15:56 ` Chuck Ebbert
2007-05-09 16:04 ` Tejun Heo
2007-05-09 19:23 ` Jeff Garzik
2007-05-19 12:13 ` Jay Cliburn
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