Date: Sun, 30 Jan 2005 22:27:50 +0100 From: =?ISO-8859-1?Q?S=F8ren_Schmidt?= <sos@DeepCore.dk> To: Pertti Kosunen <pertti.kosunen@pp.nic.fi> Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: READ_DMA timeouts caused by ALI southbridge (5.3-STABLE) Message-ID: <41FD5156.8000308@DeepCore.dk> In-Reply-To: <41FD47AD.20505@pp.nic.fi> References: <41FD47AD.20505@pp.nic.fi>
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Pertti Kosunen wrote: > My READ_DMA timeout problem with 160GB disk partitially solved. Asus=20 > A7A266 southbridge (ALi 1535D+) don't support DMA with LBA48. This is=20 > somehow worked around with Windows drivers, so is same possible in=20 > FreeBSD also? I guess their "workaround" is to use PIO mode to access the portions=20 that need 48bit access. There is currently no provision in ATA for doing = this on a "quirk" basis, but that could be added at some time. I'll=20 stick it on my TODO list... --=20 -S=F8ren
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