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Bug#774045: linux-image-3.16-3-amd64: on MacBook Pro, ethernet not recognise when on battery power



Control: reassign -1 laptop-mode-tools

On Sun, 2015-01-11 at 20:25 +0000, Julian Gilbey wrote:
> [Resending cc'ing bug report]
> 
> On Sun, Dec 28, 2014 at 02:32:38PM +0100, Ben Hutchings wrote:
> > > Hi!
> > > 
> > > I don't know how to track down this bug, but I'm happy to help do so.
> > > Also, if this is related to network-manager and not the kernel, please
> > > feel free to reassign.
> > > 
> > > I am using a MacBook Pro running Debian testing.
> > > 
> > > I have noticed that when I am running on mains power, network-manager
> > > recognises my connected ethernet cable, but as soon as I remove the
> > > power and switch to battery, there is no recognition of the ethernet
> > > being present.
> > > 
> > > Any suggestions?
> > 
> > Do you have laptop-mode-tools installed?  If so, please try without it.
> > 
> > Ben.
> 
> Hi Ben!
> 
> Sorry for slow reply.
> 
> I've just tried it without laptop-mode-tools, and it works perfectly.
> So somehow, the laptop-mode-tools setting is disabling the ethernet.
> Weird?

Not really, laptop-mode-tools often includes risky configuration
changes.  This might still be a kernel bug but I'm going to reassign to
laptop-mode-tools now so the maintainer can work out what it's doing.

Ben.

-- 
Ben Hutchings
One of the nice things about standards is that there are so many of them.

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