Re: 2.1.110 and newer, SB AWE64

Alan Cox (alan@cymru.net)
Sun, 6 Sep 1998 20:00:10 +0100 (BST)


>
> i think later in the quoted mail he says he stopped overclocking for some
> time and the box still hangs?

Yep thats the 7th person to point that out.

The two sets of folks seem to be

1. VIA VPx motherboards - apparently hardware is crap ?
2. A few SMP machines (non VIA chipset)

The second case is weird and I still don't understand its cause. Its
as if the DMA functions for a given channel is getting messed with twice
at the same time or something

Anyway. Folks with VIA VPx chipsets. Can you try defining

#define HAVE_REALLY_SLOW_DMA_CONTROLLER

in include/asm/dma.h

and rebuilding the kernel to see if it changes behaviour. If not I guess
pci quirks needs to set a "paticularly stupid ISA dma" flag for the sound
and other modules to pick up on.

Alan

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