To further Marc’s query: when you mmcboot into the broken system, what are the contents of /etc/network/interfaces?
Dave > On Jun 20, 2019, at 04:06, Marc <[email protected]> wrote: > >> On 6/20/19, zhang laiyu <[email protected]> wrote: >> Hi，Marc, Jack >> I make some progress but it was not solved. >> I boot the ROACH by 'run mmcboot' and did not got an IP address. And >> then log in RAOCH as root and try issuing the commands: >> dhclient -r >> dhclient >> ifconfig >> Then ROACH was assigned an ip address. And can use telnet to login >> ROACH. >> But when I reboot the ROACH, ROACH Network is still unreachable.I have >> to issuing the commands:dhclient again. >> I also open two ports ( tcp port 53 and udp port 67) in the server.But >> it still does not work. >> I think that the DHCP connection doesn't work during boot.But I do not >> the reason. > > So if you boot into the broken system and connect via serial cable > what does the output of > > /sbin/ifconfig eth0 > > say ? Is there no IP address configured, or is it set to the wrong one > ? If it is set incorrectly there may be some startup script which has > some old/stale values set. > You could try to add a > > set -x > > to some of the startup scripts, so that they echo the commands they execute > > regards > > marc > > -- > You received this message because you are subscribed to the Google Groups > "[email protected]" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAGrhWaQPV8NBHcrvV8rQaUGdyQZJTFcW5aG1Vyujrn0HcBr7xg%40mail.gmail.com. -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/F2389975-B9E7-4BA6-B797-9D2421624736%40berkeley.edu.
