Advice on booting from usb2

Hans Petter Selasky hselasky at c2i.net
Sat Jan 10 10:37:56 PST 2009


On Saturday 10 January 2009, Thomas Sparrevohn wrote:
> On Saturday 10 January 2009 15:23:48 Olivier SMEDTS wrote:
>
> The patch works for me and allows me to boot - however eventually I get the
>
> usb2_pc_common_mem_cb:429: Page offset was not preserved!
>
> Error - I wonder if the error is specific to the Nvidia Nforce 590 Intel
> chipset or its more generic as but seems to occur quite rarely
>

Hi,

It is chipset independent. It appears at the moment data is bounced, because 
you have too much memory in the computer :-) Currently the USB drivers only 
supports 32-bits of DMA addressing.

--HPS


More information about the freebsd-usb mailing list