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Date: Mon, 20 Sep 2004 14:32:03 +0300
From: Valentin Nechayev <netch@lucky.net>
To: FUJITA Kazutoshi <fujita@soum.co.jp>
Message-ID: <20040920113203.GF84228@lucky.net>
References: <20040915.021427.74736836.fujita@soum.co.jp>
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cc: freebsd-current@freebsd.org
Subject: Re: ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=207594611
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 Wed, Sep 15, 2004 at 02:14:27, fujita wrote about "ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=207594611": 

> ad0: 117800MB <HDS722512VLAT80/V33OA6EA> [239340/16/63] at ata0-master UDMA100
> ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=93547835
> ad0: WARNING - READ_DMA no interrupt but good status

Try to reduce speed until problem disappears. Than it will be easier
to diagnose.


-netch-