Date: Wed, 08 Aug 2007 19:15:47 -0400 From: Sten Daniel Soersdal <netslists@gmail.com> To: Mario Lobo <mario.lobo@ipad.com.br> Cc: freebsd-questions@freebsd.org Subject: Re: IDE ultraDMA problem Message-ID: <46BA4EA3.7070308@gmail.com> In-Reply-To: <200708081330.32485.mario.lobo@ipad.com.br> References: <200708081330.32485.mario.lobo@ipad.com.br>
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Mario Lobo wrote: > Hello to all; > > I had a MSI mobo 645 Ultra with 1.5G ram, pentium 4 1.7 Ghz, 3 IDE HD, 1 > SAMSUNG 80 G, 1 SAMSUNG 120 G, maxtor 120 G and a LG DVD writer. FreeBSD 6.2 > recognized all HDs as ultraDMA 100. Fine. > > Then a bought a ASUS p5vd2-x, 1G ram, Gforce 7200 video(pci-e), pentium D 940 > Dual core and kept the same drives. After tuning and recompiling the kernel > a couple times, I got almost everything working great ! SMP, acpi, network, > you name it, EXCEPT ultraDMA. > > if I leave: > > hw.ata.atapi_dma: 1 > hw.ata.ata_dma: 1 > > FreeBSD reports them (all) at ultraDMA 33. The system boots ok but after 7 or > 10 minutes (even if doing nothing), I start geting messages from > g_vfs_xxxx(); WRITE DMAERROR that can come from any of the drives until the > system becomes unstable and ends up rebooting itself. > > if I leave: > > hw.ata.atapi_dma: 0 > hw.ata.ata_dma: 0 > > The HDs get down to PIO 4 and the system works fine but at an incredible > performance cost. > > Finacial issues force me to make this work instead of buying more stuff. > > Thanks for any suggestions, There are usually one of two reasons for this; 1) Cable not being correct for slots (which UDMA33 suggests) 2) Controller not supported by driver (the controller does/requires something special) I have had perfectly working cables not work just because the motherboard manufacturer decided they wanted to reorder some of the pins on the motherboard (and i wasn't using cables that came with the motherboard). Perhaps you could post 'pciconf -lv' together with 'atacontrol list' and 'atacontrol info <device>' where <device> is the names of the devices connected. E.g. acd0 ad0 ad1 etc.. dmesg should probably help? -- Sten Daniel Soersdal
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