Date: Wed, 3 Sep 2003 16:29:06 +0200 (CEST) From: Soren Schmidt <sos@spider.deepcore.dk> To: Daniel Rock <D.Rock@t-online.de> Cc: current@FreeBSD.ORG Subject: Re: ATAng probe updated please test Message-ID: <200309031429.h83ET7eh010028@spider.deepcore.dk> In-Reply-To: <3F55F79B.9070504@t-online.de>
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It seems Daniel Rock wrote: > Just an additional notice: Booting in PIO mode (by setting > hw.ata.ata_dma=0 in /boot/loader.conf): > > [...] > GEOM: create disk ad0 dp=0xc10b3b70 > ad0: 9671MB <IBM-DTTA-351010> [20960/15/63] at ata0-master PIO4 > GEOM: create disk ad1 dp=0xc10b3470 > ad1: 1221MB <Seagate Technology 1275MB - ST31276A> [2482/16/63] at > ata1-master PIO4 > Waiting 2 seconds for SCSI devices to settle > Mounting root from ufs:/dev/ad0a > > But if I try to set DMA mode later via atacontrol, the problem > reappears: > > # atacontrol mode 0 udma2 udma2 > Master = UDMA33 > Slave = BIOSPIO > # atacontrol mode 1 udma2 udma2 > Master = WDMA2 > Slave = BIOSPIO > ad0: WARNING - WRITE_DMA recovered from missing interrupt > ad1: WARNING - READ_DMA recovered from missing interrupt Hmm, I have no clue as to why this fails actually, I have to dig out my old Acer board and see what gives, if this was a generic problem noone would be able to use DMA... -Søren
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