Re: USB storage does not work with 3GB of RAM, but does with 2G of RAM

[Andi Kleen]

On Fri, Jul 08, 2005 at 08:49:12PM -0400, Jon Schindler wrote:
> Hi Andi,
> 
> As you suggested, removing ehci_hcd (using rmmod ehci_hcd) allows the USB 
> storage device to work.  So, to answer your question, yes, the ohci_hcd 
> driver does work with 3GB's of RAM.  Still, knoppix 3.9 IS able to work 
> with both ehci and 3GB's of RAM, so it still sounds like it's a software 
> problem, not an nvidia hardware issue.

Knoppix is 32bit I guess. The 32bit kernel will do a lot of DMA
only in the first 800-900MB (lowmem) 

-Andi

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