On 6/23/14, 15:03, "[email protected]" <[email protected]> wrote:
>On 23/06/14 18:50, Darren Hart wrote: > >> For what it's worth, in our testing so far, the chip has performed well >> and I haven't observed any problems. Is there a specific use case you >> would like to see tested? > >copy some large files (10+ GB) both to and from the board using >nfs/ftp/scp >while both source/destination are connected to each other with a gigabit >network. Closer you can get to wirespeed the better, reading at 8MB/s off >an SD card isn't going to cut it. > >I previously gave up with realtek gigabit adapters due to that sort of >traffic causing either the transmit or recieve queue in the chip to stall >and block all traffic. It took a large transfer to show the problem and >would recover if you halted the transfer. >The chip would still pass traffic in the opposite direction while one >direction was blocked, but that's not particularly useful. >Didn't cause an issue at 100Mb, so probably not seen by many people at >the time as realtek chips were typically used on consumer hardware. Noted, and thanks. > >I switched to intel e1000e cards which 'just work', so I've not tried >realtek in quite some time, maybe things have changed. Either way, I'd >be interested in your results. > >I'll admit that seeing your confirmation that it was a realtek chip had >almost convinced me to cross the Max off my list.. > >I take it there's no mac in the chipset unlike a lot of other intel >stuff then? Correct, the E38XX SoCs do not include a MAC. > >Even if the chipset mac rarely seems to get used, I usually think it'll >be better than a realtek :) Those had their issues to, but mostly around sourcing the corresponding PHY :-) We'll be paying very close attention to feedback on this MAC/PHY. Thank you for raising the concern. -- Darren Hart Open Source Technology Center [email protected] Intel Corporation _______________________________________________ elinux-MinnowBoard mailing list [email protected] http://lists.elinux.org/mailman/listinfo/elinux-minnowboard
