On Tuesday 13 January 2009 15:26:09 Anne Wilson wrote: > On Tuesday 13 January 2009 14:13:01 Todd Denniston wrote: > > Anne Wilson wrote, On 01/13/2009 03:29 AM: > > > On Monday 12 January 2009 18:56:34 Anne Wilson wrote: > > >> Does anyone know how to get the wifi indicator working on the Acer > > >> Aspire One? I've done a lot lof work with the wifi today, then > > >> suddenly, an hour or so ago, I saw the signal bars drop from 4 to 1. > > >> Then I lost the connection. > > >> > > >> Nothing has changed, in terms of location or additional equipment in > > >> the room, and attempting to re-start the connection tells me that it > > >> has been disconnected. I've tried fiddling with that switch again, > > >> but there is no way of knowing whether it is active or not. > > > > > > <sigh> I hate mysteries. This morning the netbook connected to the > > > wireless router at bootup. I've still no idea what went wrong > > > yesterday, or why I couldn't scan for a connection. It's as though > > > something turns wifi off and it can't be turned back one. > > > > > > Personally I think it's another form of rsibreak :-) > > > > > > Anne > > > > As we all use computers here, we could all occasionally benefit from an > > rsi time out. :} > > > > Assuming you shut the machine down last night after the net stopped > > working, _perhaps_ it would be useful keep track of what the > > room/computer temperature and uptime is each time it stops working (from > > a cold boot) ... It could be that a component is getting hot, or > > saturated in another way that has a hysteresis curve. > > Room temperature is not likely to be a problem - it wouldn't have varied > more than 1'C all day. However, I will be keeping an eye on uptime - > thanks for the reminder about that one. > > > Did you also shutdown the router last night too? > > No, the router is 24/7, and gets a reboot maybe 6 times/year. > > > Have you done anything to see if someone else may be attempting to > > use/abuse your router, like look at it's recent IDS logs? > > The router mails me with reports of unusual activity. Nothing has shown up > there, although I've had the routine daily report. Again, due to physical > location, this is unlikely to be the problem (and this laptop continued to > work with the router the whole of the time). > > > Might try transferring a couple of fedora install DVD isos across it into > > /dev/null, or some other throw away storage on the machine, to see if it > > can only handle so many bits before needing reset. > > > > Just ideas. > > And all worth considering. Also, an off-list message suggested to me that > I should keep an eye on whether it coincided with meal-preparation times, > due to microwave oven usage. Again, this laptop has never suffered from > that, but I haven't ruled it out. > > If I find any evidence to even suggest a likely explanation I'll report > back. > The connection is lost again - at approximately the same time as yesterday. This time I can say for certain that microwave oven activity is not the cause. Most of the day I have seen a 90% strength connection. As 8 hours uptime approached it suddenly dropped to 14%. I carried on working, including downloading and installing an rpm, for about half an hour. Then I went for my daily half-hour walk. When I came back the connection was lost and it could not connect again. The symptoms are identical to yesterday. Using system-config-services I saw that netfs was marked as dead. That suggested to me that it should be running, so I started it. netplugd is marked as disabled but running, as is network. To be on the safe side I restarted both. I also restarted NetworkManager. I'd appreciate comments and guidance on these and any other services that could be implicated. I am now going to power down the netbook and leave it until after dinner. I'll power it up again in about 1.5 hours. If it connects then I will suspect a component heat problem, although I can feel no heat worth calling from the case. Anne
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