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... -SørenReceived on Wed Sep 03 2003 - 05:29:19 UTC
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