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List:       netbsd-port-amd64
Subject:    Re: ahcisata usage mode (on NetBSD 6.1.1 (GENERIC) amd64)
From:       Job Hanssen <job.hanssen () gmail ! com>
Date:       2013-09-28 16:32:15
Message-ID: 5247048F.7090900 () gmail ! com
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On 28-09-13 12:11, Patrick Welche wrote:
> On Sat, Sep 28, 2013 at 11:49:14AM +0200, Job Hanssen wrote:
>> On 28-09-13 11:34, Patrick Welche wrote:
>>> On Sat, Sep 28, 2013 at 10:35:16AM +0200, Job Hanssen wrote:
>>> ...
>>>> >From dmesg it seems to me, that my sata-drives are not used at their most
>>>> attainable speed. Am I correct in my understanding from dmesg? Is there any
>>>> way I can be sure of this, rather than "the system feels sluggish"?
>>> ...
>>>> wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
>>>> wd1(ahcisata0:1:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6
>>>> (Ultra/133) (using DMA)
>>> The second line matches the first line, so it looks to me as though the
>>> drive is attaching with maximum capability. Were you expecting a
>>> different "supports" line?
>> The "supports" line is exactly as I expect it to be.
>>
>> It the "(using DMA)" at the end of the "using" line that leaves me
>> wondering...
> a bit before it says using... DMA mode 2
> so it couldn't be better...

Your statements, together with Manuel's explanation, make it clear how I 
should interpret the boot-messages.

Thanks for clarifying. It's appreciated!
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