HiSteve, I just tried you suggestions but i got the same error.
Thanks Best Regards Ansar --- On Sat, 1/31/09, Stephen Dawson-Haggerty <[email protected]> wrote: > From: Stephen Dawson-Haggerty <[email protected]> > Subject: Re: [Tinyos-help] b6lowpan: tunnel problems > To: [email protected] > Cc: "alessandro ludovici" <[email protected]>, > [email protected] > Date: Saturday, January 31, 2009, 12:55 AM > This is a sign that the driver can't talk to the > interface mote-- thatis, > the mote running IPBaseStation. > > Be sure that the mote you're using for this purpose has > the latest version > of IPBaseStation, is connected to the device referenced > (/dev/ttyUSB0 in > this case) and has the correct baud rate (you might try > putting in 57600 and > 115200 manually, if you're unsure about which is > correct). > > What happens when the interface boots up and the driver > starts is the driver > sends a message to the interface mote configuring several > parameters; the > interface replys with an ack. If the driver doesn't > get the ack, it > aborts. However, I think that if the serial stack replies > too quickly the > ack sometimes gets dropped; that's why there's a > timeout. If you do a 'cvs > up', I've increased the timeout from 50 -> > 200ms; that may fix the problem > and seems worth a try... > > Steve > > On Fri, Jan 30, 2009 at 7:54 PM, Ansar Jamil > <[email protected]> wrote: > > > Hi, > > > > I face following problem when try to do interfacing > between the mote and > > PC. > > > > > r...@ansar-desktop:/svn/code/b6lowpan/support/sdk/c/lib6lowpan/tunnel# > > ./serial_tun /dev/ttyUSB0 telosb > > 11:46:46.190634: INFO: Read config from > 'serial_tun.conf' > > 11:46:46.190759: INFO: Proxying neighbor > advertisements to eth3 > > 11:46:46.190781: INFO: Using channel 13 > > 11:46:46.194440: INFO: created tunnel device: tun0 > > 11:46:46.243787: INFO: send me SIGUSR1 to dump the > topology to a > > 'nwgraph.dot' in the cwd > > 11:46:52.243927: FATAL: configuring interface failed! > aborting! > > > > I tried solution given by Alessandro by changing the > flag however the same > > error happened. I need some advice to solve this > problem? > > > > Thanks > > Best Regards > > Ansar > > > > > > --- On Thu, 1/29/09, Stephen Dawson-Haggerty > <[email protected]> > > wrote: > > > > > From: Stephen Dawson-Haggerty > <[email protected]> > > > Subject: Re: [Tinyos-help] b6lowpan: tunnel > problems > > > To: "alessandro ludovici" > <[email protected]> > > > Cc: [email protected] > > > Date: Thursday, January 29, 2009, 11:54 AM > > > Changing the config_stated flag is a workaround; > you should > > > try reflashing > > > the interface mote with a new version of > IPBaseStation. > > > Basically, the > > > driver sends a packet to the interface mote to > set its > > > channel and address, > > > and waits for a reply; the fatal error means > you're not > > > getting it. If it > > > still works after you change that flag, you may > have an > > > older version > > > installed. > > > > > > Other then that, the behavior you describe is > normal. > > > Basically, the router > > > needs to wait until it hears from a mote to add a > routing > > > table entry so it > > > can route to it. > > > > > > If you update to the latest verion in contrib, > there's > > > a scheme for > > > generating traffic that will improve convergence > time and > > > you can usually > > > ping motes immediate after they boot. > > > > > > Steve > > > > > > On Thu, Jan 29, 2009 at 3:52 AM, alessandro > ludovici < > > > [email protected]> wrote: > > > > > > > Hi, > > > > I have the following problem with b6lowpan. > When I > > > give the command "sudo > > > > ./serial_tun /dev/ttyUSB0 telosb", I > get the > > > following: > > > > > > > > 12:29:46.785336: INFO: Read config from > > > 'serial_tun.conf' > > > > 12:29:46.785611: INFO: Proxying neighbor > > > advertisements to eth1 > > > > 12:29:46.785702: INFO: Using channel 13 > > > > 12:29:46.897116: INFO: created tunnel > device: tun0 > > > > 12:29:46.930991: INFO: send me SIGUSR1 to > dump the > > > topology to a > > > > 'nwgraph.dot' in the cwd > > > > 12:29:50.302466: INFO: interface device > successfully > > > initialized > > > > 12:30:15.556531: WARN: tun_input: dropping > packet with > > > IPv6 options > > > > 12:30:22.843423: WARN: tun_input: dropping > packet with > > > IPv6 options > > > > > > > > and till here everything seems to be ok, but > when I > > > give a ping6 command I > > > > receive a "connect: Network is > unreachable". > > > After a while I receive the > > > > followings: > > > > > > > > Cannot find device "eth1" > > > > Cannot find device "eth1" > > > > 12:30:42.512530: INFO: nw_get_route: > computing new > > > routes > > > > > > > > The I ping the devices and everything works > fine. The > > > serial_tun.con has > > > > "proxy eth1" as default entry. I > give in the > > > terminal the ifconfig command > > > > and no eth1 device is found so I've > changed the > > > serial_tun.conf to "proxy > > > > eth0" (eth0 is the only Ethernet device > > > recognized by ifconfig). However it > > > > does not work eith eth0. > > > > > > > > Furthermore I have changed in the > serial_tun. c the > > > value of "volatile > > > > sig_atomic_t config_success" (line 146) > from 0 to > > > 1. This because I get a > > > > fatal error when starting the tunneling. > Changing the > > > value the fatal error > > > > has disappeared. > > > > > > > > What is wrong? Maybe there is a bug? > > > > > > > > > _______________________________________________ > > > > Tinyos-help mailing list > > > > [email protected] > > > > > > > > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > > > > > > > _______________________________________________ > > > Tinyos-help mailing list > > > [email protected] > > > > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > > > > > > > > _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
