need help with 8247 config; bus errors, fcc underruns, etc...

2007-07-26 Thread Brad Parker
igger than the fifo (192 bytes) - it gets underuns. It seems to receive fine. And once and a while it will crash with a machine check. Or a TEA# error. I've done all the obvious things but no joy. For some reason this one doesn't act like the 8260 or 8248. -brad Brad Parker Heeltoe Co

8247 ether_fcc underruns, but only running kernel

2007-07-21 Thread Brad Parker
I have an 8247 which when running u-boot works fine on ethernet, both 10mb and 100mb. It can dhcp and load a kernel. But when I boot the kernel (2.4 or 2.6) the fcc transmits get an underrun everytime. Packets are received fine. This is on FCC1. (I'd suspect the tx clock, but ethernet is ok w