Re: Faster reboots (and a better way of taking crashdumps?)

Alan Cox (alan@lxorguk.ukuu.org.uk)
Tue, 16 Apr 2002 23:59:46 +0100 (BST)


> > I totally agree. Walking the driver tree is exactly what I want.
> > Disabling bus masters is just a quick hack to rule out a DMA killing
> > your linux booting linux.
>
> Is there easy way to disable all busmasters? It might help suspend-to-disk
> and suspend-to-ram to work well until proper support is done...

Well there is an impolite way - just flip all the master bits off. How
the device reacts is a more complex question. Really you want to ask each
device to shut up
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