Hi,
David Timms написа:
Georgi Hristozov wrote:
<snip>
Did you check /var/log/messages between the time it's working well, to
when it starts to go slow ?
Does NM go through a disconnect, connected process ?
There's nothing in /var/log/messages. NM gets through this process, but
it doesn't actually put the interface down. That's what I quite can't
understand - how can this be fixed without bringing down the wlan interface.
Any ideas how can I debug this issue?
- With another wireless machine, can you prove to yourself that access
rate stays high even when problem laptop goes slow ?
- Once troubled, does a WAP gateway restart help ?
- Does the laptop only have trouble with this WAP, ie test it with
another WAP ?
- Could the wireless card be getting put in low power mode/asleep where
waking doesn't working properly ?
- Are you using power suspend or sleep modes ?
- can a wired connection to the same network stay up and continually
download at good wired rates (eg 60Mbps on 100M connection ?
- Is the wap a router as well ?
- are you using any peer-peer network apps on either wired or wireless
parts of your network, or even the on the troubling laptop ?
- Does the WAP log show any trouble ?
- Are you moving too close or far away from the WAP ?
- Interference from too many 802.11 frequency devices like other WAPs,
microwave, DECT cordless phones etc ?
- does the wireless tools like iwconfig etc show that the connection
speed has been adjusted ?
- does it matter if your notebook is running of mains or battery ?
These are just random guesses really, since my 3945 on HP nx6320 works
just fine, and continues to work when I take the notebook downstairs,
some obstructions away. However, my WAP Netgear WTG624 needs a power
reboot about every one-two weeks because it stops responding anymore, ie
the client network cards (notebook and 802.11G mobile phone) can no
longer connect.
DaveT.
I have tested a lot of wireless equipment with this AP, and everything
worked fine. The channel I'm using is "far away" from the other wireless
networks in my area. Moreover I bought the notebook with Vista and it
worked perfectly for a few months. I tried with Vista now again (it's
still on the other partition) and it seemed to be OK.
About the power suspend - the problem appears no matter if I'm working
on the notebook or not. Anyway, I have some trouble with ACPI (sometimes
the machine doesn't want to sleep, but I think it's caused by the CIFS
shares) and maybe I should investigate this.
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