linux-kernel - Re: [PATCH 5/5]: [PCI]: Remove 3 incorrect MSI quirks.

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Message-ID: <47257A1C.8050206@gmail.com>
Date:	Mon, 29 Oct 2007 15:13:48 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Shane Huang <Shane.Huang@....com>
CC:	David Miller <davem@...emloft.net>, david.gaarenstroom@...il.com,
	linux-kernel@...r.kernel.org, jeff@...zik.org,
	barkalow@...ervon.org, linas@...tin.ibm.com, gregkh@...e.de,
	brice.goglin@...il.com, linux-pci@...ey.karlin.mff.cuni.cz,
	linux-ide@...r.kernel.org, brice@...i.com, mchan@...adcom.com
Subject: Re: [PATCH 5/5]: [PCI]: Remove 3 incorrect MSI quirks.

Shane Huang wrote:
>> I would like those to be removed, but to be conservative we should
>> first get some testing feedback that confirms this just like those
>> provided to me from the AMD folks for the RS690, RX790 and RD580
>> cases.
>>
>> Otherwise the risk to break people's systems is very real.
> 
> In fact, our team only has boards with RS690+SB700 and RX790+SB700,
> I don't know why the RD580 MSI is disabled too by the patch
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commi
> t;h=aea6a433f50cd89b9cbd10850fd0b32f961f9883
> Maybe Tejun can give us more information on this case,
> I think the cause should be same as RS690 and RX790.

I don't remember history of each quirk entry but they're either reported
in a bug report and successfully worked around with pci=nomsi or one of
AMD guys told me certain PCI IDs share the same problem.  I can dig mail
archive if you wanna know how it went down for RD580.

-- 
tejun
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