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Re: SS4000E IOP and DMA

Can somebody build
with USB massstorage builtin?
I want to install Debian to external USB stick.

On Thu, Feb 25, 2010 at 11:25 PM, Arnaud Patard
<arnaud.patard@rtp-net.org> wrote:
> Andrushka <andrusha@gmail.com> writes:
>> Hello.
> Hi,
>> I have SS4000E device.
>> 1.
>> Starting from 2.6.32 kernel, has DMA (Direct Memory Access) for this platform.
>> Is it possible get Debian image with 2.6.32 kernel ?
>> With enabled DMA upload\download speed will increase in several times.
>> Tests show 12 MBytes/sec for NFS on SS4000E (ALT Linux Distro).
> Can you please clarify a little bit what's special in the 2.6.32 about
> dma on ss4000e ? For instance, iirc, the iop-adma driver has been added
> in the kernel at the same time as the iop-adma driver.
>> 2.
>> I want to install Debian on external Flash Device. Howto configure
>> RedBoot on SS4000E to boot each time from USB device ?
> hm.. I'm not sure that redboot on ss4000e is supporting usb
> devices. You'll have to either wait for someone else telling you it
> supports usb and how to do it or check by yourself.
> Nevertheless, you can still put a kernel with usb support built-in in
> the ss4000e flash and change the kernel command line to boot on usb.
> Arnaud

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