Am Freitag, 19. Oktober 2007 schrieb Kalle Valo: > "ext Marius Gedminas" <marius at pov.lt> writes: > > You know what the killer feature is? Automatic wifi connection. I > > absolutely hate it when I have to tap the silly little globe, then tap > > the connect menu item, then wait a few boring seconds for my wifi network > > to appear, then press ok. Only then I can ssh into my n800 and use > > apt-get. > > > > I could keep my tablet online all the time, of course, but then the > > battery wouldn't last till the end of the day. > > It should stay online for days, not hours. Something is wrong with > your setup. I would guess that the AP is somehow broken regards to > WLAN Power Save Mode. Can you try with some other AP to see if it > helps? Also make sure that N800 isn't transmitting anything extra, for > example transmitting a packet every second would kill the battery > quite quickly. > > Alternatively you could use a wireless sniffer to take a dump of WLAN > level traffic and send it to me. I could take a look and see if > there's something strange. > > It's a shame that there are so many broken APs on the market. I see > lots of them when dealing with bug reports :( I guess WLAN Power Save > Mode was really rare earlier, but fortunately nowadays it's getting > more popular and AP manufactures have noticed the problem. Hi Kalle, I had a similar problem with my Siemens sx541 wlan dsl router using dhcp. The n800 keeps sending dhcp requests. That caused up to 20 - 30% cpu usage and drains the battery really fast. (See Bug 1627 & Bug 1646) Switching to a fixed ip solved that problem for me. Regards Krischan
