I'll be damned. I did the wmiconfig one and the connection is now stable as rock, even when going long distance between Freerunner and AP.
Thanks a lot. Yogiz On Fri, 5 Feb 2010 18:12:51 +0000 Al Johnson <[email protected]> wrote: > On Friday 05 February 2010, Yogiz wrote: > > Hi, > > > > I realise that this problem might equally well be the fault of my > > AP's configuration but since my Freerunner is the only client > > affected, I figured I'd start from here. > > > > I have a linux PC that acts as a wireless AP using hostapd, ath5k > > drivers from the kernel and WPA2 for encryption. I have about 5-7 > > laptops connected to the AP regularly and they have not had the same > > problem as the Freerunner. > > I have a similar problem with my wrt54g (stock firmware) which > doesn't play nicely with the power saving on the Freerunner's WiFi > chipset. Try disabling the power saving mode using Freerunner. I > don't remember if i need the iwconfig command, the wmiconfig command, > or both, to make the connection reliable, but both are mentioned in > the wiki. If you use a roaming wpa_supplicant configuration > in /etc/network/interfaces you can probably put the required commands > in pre-up and post-down to automate its use on the access points that > need it, but not those that don't. > > http://wiki.openmoko.org/wiki/Wifi#Disable_power_management > > > The problem itself is as follows: > > > > I connect to the AP from my freerunner, no matter what client I'm > > using, I've tried several. I see the AP in my scans, I initiate a > > connection and successfully receive an IP address from the dhcpd > > running on my AP. I start pinging the gateway at once and pings are > > successes. That means in that moment of time, I have a fully > > functional connection to my AP with encryption and everything > > working. Now it takes some time, about 10 seconds to a minute and > > my pings start failing all at once. I can't connect to anything on > > the network from my Freerunner anymore. When I inspected the > > connection from another laptop using Wireshark, I saw that the > > first ARP request from the Freerunner was a success but the second > > one (that comes after the variable time 10-60 seconds in the middle > > of pinging) will not get a reply from the AP. From then on, the > > connection is lost, the pings travel to the monitoring laptop but > > no longer get any replies from the AP. It seems like the AP is at > > fault here, but every single other thing I've connected to the AP > > has remained working, so there must be something different about > > the Freerunner. If anyone has any idea, what may be the fault here, > > please do. > > > > _______________________________________________ > Openmoko community mailing list > [email protected] > http://lists.openmoko.org/mailman/listinfo/community _______________________________________________ Openmoko community mailing list [email protected] http://lists.openmoko.org/mailman/listinfo/community

