Re: Slow mobile broadband detection

[Dan Williams <dcbw redhat com>]

On Tue, 2011-06-14 at 19:10 +0100, Sérgio Basto wrote:
> On Tue, 2011-06-14 at 20:03 +0200, dave guandalino wrote: 
> > Hi,
> > I'm using a multimode GPRS/EDGE/UMTS/HSDPA USB key for internet
> > access, product ONDA WCDMA Technologies MSM. OS is Ubuntu Natty 11.04
> > 64-bit, NetworkManager 0.8.4.
> > 
> > The device always connects and once connected it works pretty fine,
> > the only problem is that it takes some minutes before the dongle is
> > recognized. Maybe it's just the standard behavior but looking at the
> > log there should be some error along the way, though I'm not a network
> > expert and I can be wrong, and maybe NetworkManager is not involved at
> > all.
> > 
> > Here is the log, I'd really appreciate an opinion.
> > http://pastebin.ubuntu.com/625429/
> > 
> > Notes:
> > 1. I noted that opening and closing serial ports takes a lot of time.
> > 2. I was able to solve the loop (lines 36 - 41) saying to
> > automatically provide the PIN (via nm-applet), but I think it
> > shouldn't be necessary to do so.
> > 
> > I'd be glad to provide further information if needed.
> 
> Yeah, 2 minutes for get connection is more than normal. 
> but speed up this detection, special if we use the same hardware in last
> year. If we have a way to speed up the detection of the same hardware
> would be great.  

These days anything over 30 seconds is kernel bugs or missing USB IDs in
the drivers.

Dan