On Mon, Mar 30, 2015 at 12:34 PM, <ifmx4e...@gmail.com> wrote: > Hello, > > I am looking for some help. Appreciate any input. > > I have a BBB running Ubuntu 14.04. I also have TP-Link TL-725N wifi dongle. > I did follow instructions from this site to > http://coremega.tumblr.com/post/78194792401/install-tp-link-wireless-n-adapter-tl-wn725n-on > to build the required drivers for the wifi dongle to work. After compiling > the wifi dongle works. > > I am using the BBB along with OpenSprinkler h/w to irrigate my landscape. > The BBB is powered by the OpenSprinkler h/w. > > The issue I have is that approximately 36 hrs to 48 hrs after a boot up, the > BBB becomes inaccessible. I have to go and unplug the power and put it back > in to restart it. I keep pinging it all the time from my computer at home so > that I am convinced I can access it. But when the board is not accessible, > ping comes back saying "Request timeout for icmp_seq 44990" ping: sendto: > Host is down. I cannot ssh as ssh times out. I can see that the heartbeat > led is not on. Only the power led is lit and stays on as it does always. > > Since the h/w is mounted on a case out side my home right by my irrigation > valves, I cannot run a network cable directly to it. I am dependent on the > wifi dongle to get access to the BBB. > > I have been struggling the past couple of weeks when I purchased the BBB. > > I did look at the syslog file in /var/log and at the time of failure, the > syslog has a bunch of "^@" symbols for a couple of lines. > > I am not sure what else I could do to make this board stay up. FWIW, the > board is pretty much inactive on times when there is nothing to do. The > irrigation program is used on demand once every 3 days or so. Much depends > on how hot it gets and how the soil gets dry etc... > > Any suggestions as to what might be happening here and if I should try some > thing?
What kernel are you actually running? uname -r other thoughts.. and did you disable hdmi? have you disable wifi pm? Regards, -- Robert Nelson https://rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
