From: Jeff Garzik <jeff@garzik.org>
To: Tejun Heo <htejun@gmail.com>,
Andrew Paprocki <andrew@ishiboo.com>,
Shane Huang <Shane.Huang@amd.com>,
sriharivijayaraghavan@yahoo.com.au, linux-ide@vger.kernel.org
Subject: Re: About forcing 32bit DMA patch for AMD690G(SB600)
Date: Fri, 25 Jan 2008 18:13:51 -0500 [thread overview]
Message-ID: <479A6D2F.1050008@garzik.org> (raw)
In-Reply-To: <20080125205743.GA26124@lks.home>
Konstantin A. Lepikhov wrote:
> Hi Tejun!
>
> Friday 25, at 02:50:06 PM you wrote:
>
>> Andrew Paprocki wrote:
>>> I have an SB600/RS690 here with SATA drives connected. I haven't been
>>> following this thread, but I can help test something if it would help.
>> We're trying to determine whether SB600 ahci controller can do 64bit DMA
>> or not. Srihari's couldn't but Shane's test result tells a different
>> story. Do you have memory mapped over 4G (if you have 4G some of them
>> will be over 4G, you can know this by looking at the e820 map printed
>> during boot)?
> $ lspci -nn
> 00:00.0 Host bridge [0600]: ATI Technologies Inc RD580 [CrossFire Xpress 3200] Chipset Host Bridge [1002:5952]
> 00:02.0 PCI bridge [0604]: ATI Technologies Inc RS480 PCI-X Root Port [1002:5a34]
> 00:05.0 PCI bridge [0604]: ATI Technologies Inc RS480 PCI Bridge [1002:5a37]
> 00:12.0 SATA controller [0106]: ATI Technologies Inc SB600 Non-Raid-5 SATA [1002:4380]
> ...
>
> Is this hardware enough for testing? I can add 2G to existing 4G of RAM
> and post dmesg.
"greater than 4G" would be a highly useful configuration...
Jeff
next prev parent reply other threads:[~2008-01-25 23:14 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-23 7:44 About forcing 32bit DMA patch for AMD690G(SB600) Shane Huang
2008-01-24 3:53 ` Shane Huang
2008-01-25 0:21 ` Tejun Heo
2008-01-25 4:19 ` Andrew Paprocki
2008-01-25 5:50 ` Tejun Heo
2008-01-25 20:57 ` Konstantin A. Lepikhov
2008-01-25 23:13 ` Jeff Garzik [this message]
2008-01-26 1:24 ` Tejun Heo
2008-01-31 9:14 ` Shane Huang
2008-01-26 1:07 ` Andrew Paprocki
2008-01-31 8:53 ` Shane Huang
2008-02-01 8:23 ` Tejun Heo
2008-02-02 4:04 ` Shane Huang
2008-02-10 20:55 ` Srihari Vijayaraghavan
-- strict thread matches above, loose matches on Subject: below --
2008-01-29 20:10 Kelly Anderson
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