Re: [Etherboot-developers] Re: Possibly [PRISM] driver limitation?

[<ebi...@ln...>]

Michael Brown <mb...@fe...> writes:

> On Tue, 27 Aug 2002, Boris Reisig wrote:
> > Today I have been doing a bunch of tests. My test machine has 128mb of
> > RAM and I was testing different size images and different network
> > card/drivers to check for problems. Here are the results
> > Realtek 8139 card with rtl8139 driver: 43mb,20mb, 19.3mb, 19.1mb, 17.6mb,
> 16.2mb, 15.2mb image files all booted OK.
> 
> > Realtek 8029 card with rtl8029 driver: 43mb,20mb, 19.3mb, 19.1mb, 17.6mb,
> 16.2mb, 15.2mb image files all booted OK also.
> 
> > Dlink DWL-520 with PRISM driver: 43mb failed, 20mb failed, 19.3mb ok, 19.1mb
> ok, 17.6mb,16.2mb ok, 15.2mb ok.
> 
> > It seems their seems to be a limitation in file size in the PRISM
> > driver. Somewhere between 19.3mb-20mb's, the driver cannot allocate
> > space or initialize the data from the image file. Hopefully we could
> > fix this issue? [sooner the better..hehehe]
> 
> I'll help where I can, but I don't see this as an urgent problem - why
> would you want to transfer images of 20MB and more anyway, particularly
> over a slow wireless link?

If problem is just related to the packet count, it may be easier to
tickle the problem when the signal is degradded, and a lot of
retransmissions are happening.  Fixing bugs like this that can never
really happen is then kind of thing that let's me sleep at night. 

Eric