updated Netbook to Lucid -- NetworkManager is disabled

[Sebastian Kügler]

On Thursday 25 March 2010 17:12:52 Mackenzie Morgan wrote:
> On Thursday 25 March 2010 5:43:18 am Sebastian Kügler wrote:
> > On Wednesday 24 March 2010 22:46:33 Mackenzie Morgan wrote:
> > > On Wednesday 24 March 2010 2:52:25 pm Daniel Chen wrote:
> > > > On Wed, Mar 24, 2010 at 10:11 AM, Mackenzie Morgan
> > > > <macoafi at gmail.com>
> 
> wrote:
> > > > > was false instead of true in there, yeah.  I suspect on mine it's
> > > > > because I hit the rfkill button.  Rebooting should reset the rfkill
> > > > > button (it used to) but it appears not to.
> > > > 
> > > > Please file a regression-potential tagged bug against linux so that
> > > > we can fix it.
> > > 
> > > Sorry, bad phrasing.  The wireless adapter itself goes back to working
> > > after  reboot, but because NetworkManager ignores that NM was disabled
> > > by the rfkill being pressed and just assumes it's globally disabled,
> > > the result (to an end user who doesn't know to use ifup) is like it
> > > stays disabled across reboots.
> > 
> > Hm, you mean that network manager doesn't pick up you're wifi adapter
> > being available again? Can you reproduce the same with GNOME's nm-applet
> > and maybe the Plasmoid? I've been testing the hotplugging and rfkilling
> > pretty extensively, and it works just fine here.
> 
> Yeah, I'll have to do a bit more testing, but the boot where it suddenly
> had "enabled=false" was the one immediately after I'd rfkill'd* so I was
> hypothesizing that upon rfkill hitting, it wrote that "false" to the file.
> Could also just be a coincidence.

Okay, let me know if you think that it's a knetworkmanager problem, and I'll have a 
closer look.

> * I didn't bring rf back on before shutting down because, well... that has
> never worked on this laptop.  Reboot's always how I've done it.

Instead of rebooting, it's often good enough to unload the wifi driver and reload it 
(modprobe -r, modprobe). There are situation where NetworkManager's internal state is 
so messed up that only rebooting helps, though.
-- 
sebas

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