Date: Fri, 29 Feb 2008 15:39:11 -0800 From: Stephen Hurd <hurds@sasktel.net> To: Ross Penner <ross.penner@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: ad0 READ_DMA TIMEOUT errors on install of 7.0-RELEASE Message-ID: <d582d87b7f8c.47c8271f@sasktel.net>
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> last night. It's a MiniITX board, model EN1200. My system can't remain > up for more than 10minutes before something locks it up and frequently > the screen will output error messages relating to DMA. As a workaround, adding the line: hw.ata.ata_dma="0" To /boot/loader.conf will disable DMA and prevent the hangs that are caused by the DMA timeouts.
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