Date: Sun, 14 Jan 2007 17:49:06 +0200 From: Andrei Kolu <antik@bsd.ee> To: freebsd-stable@freebsd.org Subject: Re: 6.2 RELEASE - READ_DMA timed out Message-ID: <200701141749.06929.antik@bsd.ee> In-Reply-To: <e572718c0701140627s3c46da20y6f02c097e2c1e60a@mail.gmail.com> References: <45AA3109.2040309@pean.org> <e572718c0701140627s3c46da20y6f02c097e2c1e60a@mail.gmail.com>
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On Sunday, 14. January 2007 16:27, Pietro Cerutti wrote: > On 1/14/07, Peter Ankerstål <peter@pean.org> wrote: > > ad0: FAILURE - READ_DMA timed out LBA=1000941 > > This kind of errors usually denote a hardware problem, either at the > disk or at the controller level. > Check sysutils/smartmontools in the ports. This is not a hardware problem, this is Flash cards limitation- most of flash cards don't work with DMA at all. You should turn off DMA on every Flash card that is connected directly to IDE channel to boot up any operating system. I know there is some IDE2Flash adapters that can work with DMA but they are twice or even more expensive than el cheapo adapters most devices got.
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