Date: Thu, 03 Jan 2002 02:39:49 +0000 From: ian j hart <ianjhart@ntlworld.com> To: Doug White <dwhite@resnet.uoregon.edu> Cc: Thilo Mezger <tm@spoiled.org>, stable@freebsd.org Subject: Re: RELENG_4_4: PIIX busmastering DMA not supported Message-ID: <3C33C475.B9A1F18@ntlworld.com> References: <Pine.BSF.4.33.0201021709380.53787-100000@resnet.uoregon.edu>
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Doug White wrote: > > On Wed, 2 Jan 2002, Thilo Mezger wrote: > > > I was wondering if somebody could explain to me why busmastering DMA > > is not supported in my setup (RELENG_4_4): > > > > # dmesg | grep ata > > atapci0: <Intel PIIX ATA controller> port 0xfcf0-0xfcff at device 1.1 on pci0 > > atapci0: Busmastering DMA not supported > > According to the code, your controller does not claim to support DMA. The > original PIIX probably didn't support it, thinking about it... > > Check your BIOS settings and verify that you didn't disable DMA at some > point in the past. > > Doug White | FreeBSD: The Power to Serve > dwhite@resnet.uoregon.edu | www.FreeBSD.org > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message This should be the 430 FX (triton) chipset which claims to support WDMA2. IIRC these could be a bit flakey, unlike the HX (triton II), which actually works ;) -- ian j hart To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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