The problem still ocurrs if setting system clock to 72M (which is 48M before). If sending packets from equipment(ecos) to computer (by udp) . All packets are successfully received. If sending from computer to ecos . Some irq does not occur. Some irq occurs but packets not be transferred to my application. About 60% can be received.
2011/1/1 Nikolay Marusov <nmaru...@gmail.com>: > 2010/12/31 cyl cyl <cyle...@gmail.com>: >> Hi All: >> I'm using ecos-3.0 + lpc2478. Now I have a problem. My eth can >> only works well at 10 M . It losses a lot packages at 100 M . >> FreeBSD stack . >> Thank you for any suggestions! >> >> -- >> Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos >> and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss >> >> > It's most probably DMA problem: > http://sourceware.org/ml/ecos-discuss/2009-06/msg00016.html > > Try to speed up the system clock. > -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
