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From: Roland Dreier <>
To: Petr Vandrovec <>
Subject: Re: [PATCH] Unbreak MSI on ATI devices
Date: Thu, 04 Jan 2007 13:59:37 -0800	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <> (Petr Vandrovec's message of "Thu, 21 Dec 2006 08:55:40 +0100")

 > 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.

  parent reply	other threads:[~2007-01-04 21:59 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-21  7:55 Petr Vandrovec
2006-12-21  8:21 ` Jeff Garzik
2006-12-25  4:01 ` Daniel Barkalow
2007-01-04 21:59 ` Roland Dreier [this message]
2007-01-05  9:07   ` Petr Vandrovec
2007-01-06  0:54     ` Daniel Barkalow
2007-01-05 23:57   ` Daniel Barkalow
     [not found] <fa.yZrxrHh1AWLcv/>
2006-12-21 14:36 ` Robert Hancock

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