Messages in this thread | | | From | Albert Max Lai <> | Date | Tue, 16 Apr 2002 22:16:55 +0000 | Subject | Re: 2.4.x and DAC960 issues |
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This is the summary of the off-list discussion and solution to my DAC960 problem.
-Albert
On Saturday, 6 April 2002, Marc A. Volovic wrote:
> Quoth Leonard N. Zubkoff: > > > From: Albert Max Lai <amlai@bitsorcery.com> > > > > I moved the card into the slot closest to the CPU that I could, and > > voila! everything works correctly; no lockups, ext3 works, even > > > > Excellent news. That's not a fix I've heard of before. > > Hi, > > Alas, it is very simple. Many (most? in my experience - Tyan, MSI, ASUS) > motherboards leave their outer (farthest from the CPU area) PCI slots > ___NON-bus mastering___. In most cases, this is the outermost slot, but > sometimes it is more than one slot, but again, the outermost, leftmost. > > Sometimes, the masterlessness is dynamic - i.e. based on the number of > populated slots, counting from the CPU. This is EXTREMELY rare. I saw > it only once, I think, and on a board I did not trust even as far as > I could toss it. (Well, I could toss it some reasonable distance, which > I did ;-)... > > In some rare cases (errrr... ummmm... SOME Tyan board, I cannot > currently remember the model) ran in the reverse direction. > > Populating these masterless slots with anything but a sound card (and in > many cases even by a sound card) leads to loss of stability. > > Moving a board INWARD (i.e. toward the CPU) in many cases solves the > problem. > > -- > ---MAV > Linguists Do It Cunningly > Marc A. Volovic marc@bard.org.il - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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