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From: Tejun Heo <htejun@gmail.com>
To: Tejun Heo <htejun@gmail.com>,
	linux-ide@vger.kernel.org, linux-raid@vger.kernel.org
Subject: Re: Possible data corruption sata_sil24?
Date: Thu, 19 Jul 2007 17:03:02 +0900	[thread overview]
Message-ID: <469F1AB6.3000105@gmail.com> (raw)
In-Reply-To: <20070718123100.GB3932@jabberwocky.com>

David Shaw wrote:
>> I'm not sure whether this is problem of sata_sil24 or dm layer.  Cc'ing
>> linux-raid for help.  How much memory do you have?  One big difference
>> between ata_piix and sata_sil24 is that sil24 can handle 64bit DMA.
>> Maybe dma mapping or something interacts weirdly with dm there?
> 
> The machine has 640 megs of RAM.  FWIW, I tried this with 512 megs of
> RAM with the same results.  Running Memtest86+ shows the memory is
> good.

Hmmm... I see, so no DMA to the wrong address problem then.  Let's see
whether dm people can help us out.

Thanks.

-- 
tejun

      reply	other threads:[~2007-07-19  8:03 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20070706012432.GB29789@jabberwocky.com>
     [not found] ` <4693A5A0.5070306@gmail.com>
     [not found]   ` <20070713014252.GA17811@jabberwocky.com>
     [not found]     ` <46972AEE.2040805@gmail.com>
     [not found]       ` <20070713115919.GC17811@jabberwocky.com>
2007-07-18  8:53         ` Possible data corruption sata_sil24? Tejun Heo
2007-07-18 12:31           ` David Shaw
2007-07-19  8:03             ` Tejun Heo [this message]

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