On Thursday 18 September 2008 01:20:28 Iain Buchanan wrote: > Alan McKinnon wrote: > > On Wednesday 17 September 2008 22:32:21 Espen Hustad wrote: > >> On Wednesday 17 September 2008 22:03:52 Alan McKinnon wrote: > >>> Hi all, > >>> > >>> I have a Dell XPS M1530 with an Intel IWL3945 wireless card. On > >>> power-up/reboot it sometimes works, sometimes doesn't. I can find no > >>> pattern at all, success does not depend on the machine being hot/cold > >>> rebooted, powered up from shutdown, hibernate, suspend or any other > >>> usual thing. I don't use the wireless-rf kill switch at all. > > > > mac80211 is a module - I learned long ago to make as modules everything > > that can work as a module :-) Some more info I omitted from the original > > post: > > have you tried: > - /etc/init.d/net.wlan0 stop > - unload module > - reload, continue ?
Tried that but it doesn't work. If I get that "power level message = -1" message in dmesg, nothing works until I reboot/powercyle, then it's pot luck if it'll start next time > I have a precision M6300 with the iwl 4965, and all my problems can > usually be solved the above way, although our two laptops are different. > > > the driver I use is the in-kernel iwl3945 (part of iwlwifi) > > iwl3945-ucode is installed > > have you recompiled ucode since you last built the module? Yes, but we can nuke that as a contributing factor - there's no compiling to be down. The ebuild just unpacks a binary blob and moves it to /lib/firmware > > But I've run out of ideas on how to falsify these theories :-( > > One answer to these questions is Winblows. If it works continuously > there, then it's not your hw. Another option is reseating the mpci > card, or even trying a different one. Otherwise try and match your > kernel and ucode versions with someone who has it working... But I'm > sure you've thought of that :) Windows isn't feasible, but an Ubuntu LiveCD is :-) I'll spend some time tonight after work cycling the machine enough times to get a decent record -- alan dot mckinnon at gmail dot com