Date: Tue, 30 Sep 2003 10:34:54 -0000 From: Soren Schmidt <sos@spider.deepcore.dk> To: current@freebsd.org Subject: SiI3112 SATA controller problems - status Message-ID: <200309301034.h8UAYgjq020946@spider.deepcore.dk>
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I have now found a way to reproduce the DMA problems some setups seems to be having with the SiI3112A SATA chip. Now, if I use real SATA drives, (and I mean real SATA drives, the WD Raptor fx is not a real SATA device but just a PATA device with a build in PATA->SATA converter chip) it works just fine no matter what I try. If however I use an older PATA drive and a certain PATA->SATA "dongle" (in this case 1 out of 4 samples) I can reproduce the problem pretty easily. This suggests to me that we are looking at a timing problem of sorts the question is where. I'll work on the problem as time permits... -Søren
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