Date: Mon, 9 Aug 2004 11:10:40 +0200 From: Stevan Tiefert <stevan.tiefert@freenet.de> To: questions@freebsd.org Subject: How to disable UDMA for HDD? Message-ID: <200408091110.40243.stevan.tiefert@freenet.de>
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Hello, when I try to install FreeBSD 5.2.1 on my computer with HDD on ata0-master and CD-ROM on ata0-slave I got five interessting messages during the boot-process: ... ad0: 4124MB <SAMSUNG VA34323A> [8938/15/63] at ata0-master UDMA33 ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=8446347 ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=0 ad0: WARNING - READ_DMA interrupt was seen but timeout fired LBA=8446347 ad0: WARNING - READ_DMA interrupt was seen but taskqueue stalled LBA=8446347 then the computer stops and he resists in this state till now... OpenBSD "downgrades" this DMA-thing automaticly and the CD-ROM seems not supporting UDMA and I assume to set at bootphase 3 a device.hint but I don't know which one? With regards Mr. Stevan Tiefert -- deltree /y c:\windows My suggestion to solve all your problems!
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