Re: Wireless connection dropping on IBM T60

[Dan Williams <dcbw redhat com>]

On Tue, 2012-01-10 at 10:07 -0600, Nate Bargmann wrote:
> Hello.
> 
> I have an IBM T60 with an Atheros chipset running Debian unstable, Gnome
> 3.2, Network Manager 0.9.2.0, and Linux kernel 3.1.8 (all Debian
> packages).  I have noticed seemingly random disconnections of a stable
> 802.11a/bg wireless connection and then an immediate reconnect.  While
> this can cause momentary pauses of SSH sessions, it seems to kill
> streaming using Pulse Audio to a remote PA server within a few tens of
> seconds.  The PA sink will not reappear until the link is renegotiated
> it seems.

What does 'dmesg' output say?  There's more debugging hints on this page
too which would help us diagnose what's going on.

http://live.gnome.org/NetworkManager/Debugging

Dan


> Rather than end the message here, I ask what can I do to help identify
> the problem and then fixing it?  So far I have not built NM from Git but
> will consider doing so if that makes the testing more relevant.
> 
> Of note I have experienced the same drop-outs on Ubuntu 11.0 and Linux
> Mint 12 on this laptop.  I have also experienced that using Wicd results
> in no wireless drop-outs on this hardware and software configuration.
> It is not my intent to compare distributions or software, but to assist
> in identifying the problem area and finding a fix.  Please let me know
> what tests I can perform and what information I can provide.
> 
> The wired connection from this laptop does not suffer from the drop-outs
> and I was able to stream for several hours using the wired connection.
> I presume that indicates that something in the wireless stack is amiss.
> 
> Thanks!
> 
> - Nate >>
>