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Message-ID: <ada4pr61mie.fsf@cisco.com>
Date: Thu, 04 Jan 2007 13:59:37 -0800
From: Roland Dreier <rdreier@...co.com>
To: Petr Vandrovec <petr@...drovec.name>
Cc: jeff@...zik.org, linux-kernel@...r.kernel.org, akpm@...l.org
Subject: Re: [PATCH] Unbreak MSI on ATI devices
> So my question is - what is real reason for disabling INTX when in MSI mode?
> According to PCI spec it should not be needed, and it hurts at least chips
> listed below:
>
> 00:13.0 0c03: 1002:4374 USB Controller: ATI Technologies Inc IXP SB400 USB Host Controller
> 00:13.1 0c03: 1002:4375 USB Controller: ATI Technologies Inc IXP SB400 USB Host Controller
> 00:13.2 0c03: 1002:4373 USB Controller: ATI Technologies Inc IXP SB400 USB2 Host Controller
heh... I'm not gloating or anything... but I am glad that some ASIC
designer was careless enough to prove me right when I said going
beyond what the PCI spec requires is dangerous.
- R.
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