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Showing posts with the label problem

Xperia on certain wifi routers connection problem

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Works perfectly with two smarter routers using default settings, but does the well known Android Ice Cream Sandwich dance on a legacy one. It sometimes connects on first attempt, other times after a dozen loops, in the rest of the cases not at all. A loop consists of saved, connecting, authenticating, obtaining IP and scanning. The signal strength goes very low in the authenticating and obtaining IP phases. It spends most of the time displaying obtaining IP address, which takes a few seconds. Lowering the beacon interval does help a bit. Altering channel selection, RTS, TKIP, MAC filtering, preamble type, IAPP, data rate or G-only vs. B/G doesn't make much of a difference. A timing issue related bug in the wireless driver is probable, as loading the router CPU sometimes helps. The router log is filled with the following actions 3 second apart: "syslog: wlan0: WPA2-AES PSK authentication in progress.." Sprinkled with authentication failed and "udhcpd Received a ...

Running argoUML, fixing hostname

When attempting to run ArgoUML under my custom install of Debian Lenny, it died on startup with the following: "ERROR: unable to get localhost information. java.net.UnknownHostException (...)" solution: check the output of the command hostname , add a line corresponding to that name to the file /etc/hosts Anyway, it might be a great piece of software, but I didn't have much luck with the functionality I needed. Namely, my simple collaboration diagram got its indexes all mixed up.