On Fri, Oct 01, 2004 at 09:35:15AM +0930, Tristan wrote: > FreeBSD 6.0-CURRENT with GENERIC kernel built 27th Sep. > On a SunBlade 100 I see these messages regularly when > dma is enabled. The messages go away when I either use > atacontrol to set the mode to PIO4 or set hw.ata.ata_dma to 0 > I do get data corruption on the disk if left in DMA mode. Just FYI my primary test machine is a SunBlade 100, it seems to be doing OK with a kernel built from this morning's source. I've been doing most of my builds from an NFS server though, I'll do a check with a full buildworld which will use the local drive more. > ad0: 14594MB <ST315310A/3.28> [29651/16/63] at ata2-master UDMA66 > acd0: CDRW <LTN486S/YSU1> at ata2-slave PIO4 > ata3-master: DMA limited to UDMA33, non-ATA66 cable or device > ad1: 39266MB <IBM-DTLA-305040/TW4OA60A> [79780/16/63] at ata3-master UDMA33 > Mounted root from ufs:/dev/ad0a. Is the data corruption spread across both drives, or just ad1? That message about the cable or device being limited could be a clue. -- Ken Smith - From there to here, from here to | kensmith_at_cse.buffalo.edu there, funny things are everywhere. | - Theodore Geisel |Received on Thu Sep 30 2004 - 22:52:31 UTC
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