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Date: Thu, 19 Dec 2002 02:19:47 -0800 (PST)
From: Andre Hedrick <andre@linux-ide.org>
To: Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua>
cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, "D.A.M. Revok" <marvin@synapse.net>,
       Manish Lachwani <manish@Zambeel.com>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: 2.4.19, don't "hdparm -I /dev/hde" if hde is on a Asus A7V133 
 Promise ctrlr, or...
In-Reply-To: <200212190951.gBJ9pCs28149@Port.imtp.ilyichevsk.odessa.ua>
Message-ID: <Pine.LNX.4.10.10212190217240.8350-100000@master.linux-ide.org>
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On Thu, 19 Dec 2002, Denis Vlasenko wrote:

> On 18 December 2002 20:38, Alan Cox wrote:
> > On Wed, 2002-12-18 at 21:35, D.A.M. Revok wrote:
> > > So.  I /think/ that somehow the Promise controller isn't being
> > > initialized properly by the Linux kernel, UNLESS the mobo's BIOS
> > > inits it first?
> >
> > In some situations yes. The BIOS does stuff including fixups we mere
> > mortals arent permitted to know about.
> 
> OTOH mere mortals are allowed to make full dump of PCI config ;)
> 
> "D.A.M. Revok" <marvin@synapse.net>, can you send lspci -vvvxxx
> outputs when you boot with BIOS enabled and BIOS disabled?

Promise knows this point.
Thus they moved the setting to a push/pull in the vendor space in the
dma_base+1 and dma_base+3 respectively.

lspci -vvvxxx fails when the content is located in bar4 io space.



Andre Hedrick
LAD Storage Consulting Group

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