[TriLUG] NIC problem

[Shane O'Donnell]

Did you build the driver yourself or are you using a stock binary from a
distribution?

You may want to rebuild and pay attention to the build options.  Also check
any load-time options on the driver (or options you may have that AREN'T
being set).

Shane O.

On 6/27/06, Charles Fischer <fischer at 4pi.com> wrote:
>
> I am working on an embedded project where we changed from a Via
> Mini-ITX board to an Intel based Mini-ITX board.  The embedded device
> controls two USB devices and connects to a Firewire camera.  The
> images from the camera are sent over gigabit Ethernet to some control
> computer.
>
> The change from Via to Intel fixed a USB bug, but created a Ethernet
> bug.  The image data is corrupted when sent over the motherboard's
> Intel 82541PI LAN chip, but if we use a Realtek RTL8169s-32 PCI board
> the data is fine.  If I limit the "send" transfer size to around 8K
> on the Intel chip, it works.  On the Realtek I can send 8MB.
>
> I can run the program on a full blown computer for testing.  I have
> tried this on Fedora Core 4 with some of the newer kernels, and on
> Core 5 updated to kernel 2.6-17.  On all kernels the Intel LAN
> reorders the data, the Realtek LAN works.
>
> I do not want to limit the transfer size, because it slows down the
> system.  I also like knowing why I need a work around.
>
> Any Ideas?
>
> Thanks
> Charles Fischer
>
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-- 
Shane O.
========
Shane O'Donnell
shaneodonnell at gmail.com
====================