Re: Connection breaks frequently with Connection Sharing (3G to WLAN)

[Juhani Jaakola <juhani jaakola kolumbus fi>]

Hi!

Here is lspci -vv for the device:

00:0a.0 Network controller: RaLink RT2500 802.11g Cardbus/mini-PCI (rev 01)
	Subsystem: CNet Technology Inc CWP-854 Wireless-G PCI Adapter
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 32, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 17
	Region 0: Memory at febf8000 (32-bit, non-prefetchable) [size=8K]
	Capabilities: [40] Power Management version 2
		Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-
	Kernel driver in use: rt2500pci
	Kernel modules: rt2500pci, rt2500

Regards, JJ

julien bresciani [julien bresciani free fr] kirjoitti: 
> Juhani Jaakola wrote:
> > I have a PC with A-Link WL54H WLAN card (driver rt2500pci) and a USB 
> > 3G modem. I connect to the Internet via the 3G modem and I want to 
> > share that connection with other PCs via WLAN. I'm running Fedora 10.
> >
> > I connected to Internet with "Auto GSM network connection". Then I 
> > chose "Create New Wireless Network..." to share the 3G connection to 
> > other PCs with WLAN. I created a network with security NONE. Then I 
> > connect to the new ad hoc WLAN network from ThinkPad with Windows XP SP3.
> >
> > My problem is that the WLAN connection to the ThinkPad breaks very 
> > frequently. Last hour the connection broke 13 times! This is what I 
> > get in /var/log/messages:
> have a look at your ad-hoc connection side, a lot of wireless drivers 
> doesnt support it well, I got the same problems with an intel 3945 with 
> iwl3945 driver, the ad-hoc mode is bad, i have a lot of difficulties to 
> merge bssids.
>
> I suggest you to test only the connection between your two computers, 
> without sharing connection first ( try some file transfers, between the 
> two computers, wait a few minutes, restart a file transfer... ). if the 
> connection is rock stable, then you can suspect the connection sharing, 
> but I guess you wont.
>
> a lspci could be usefull to see your wireless chip brand.