linux-kernel - Re: Huawei E220 and usb storage

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Message-Id: <20071030234847.c651c96c.Kristoffer.ericson@gmail.com>
Date:	Tue, 30 Oct 2007 23:48:47 -0700
From:	Kristoffer Ericson <kristoffer.ericson@...il.com>
To:	Norbert Preining <preining@...ic.at>
Cc:	Kristoffer Ericson <kristoffer.ericson@...il.com>,
	linux-kernel@...r.kernel.org,
	USB development list <linux-usb-devel@...ts.sourceforge.net>
Subject: Re: Huawei E220 and usb storage

On Tue, 30 Oct 2007 21:47:20 +0100
Norbert Preining <preining@...ic.at> wrote:

> Hi Kristoffer,
> 
> thanks for the feedback.
> 
> On Di, 30 Okt 2007, Kristoffer Ericson wrote:
> > Im using a Huawei E220 USB modem, currently running 2.6.22.5 vanilla kernel. It has worked fine for me since 2.6.21.
> 
> Strange. I rebuilt the kernel, compiled the usb serial and options into
> the kernel, while leaving usb-storage as module. Still I have to issue
> the huaweiAktBbo program to get it working/switching into the *right*
> modus.
> 
> > The lights give you a hint what mode its in. Green = usb_storage, Dark-blue = MODEM_slow, bright-blue = MODEM_fast (3G).
> 
> BTW, I have seen a slightly different pattern: Green blinking from the
> beginning
I get green blinking up to udev, then it turns into dark blue.

> calling huaweiAktBbo to make the switch
> still blinking green
> calling the internet provider
> when the connection is established (on the hardware level, not on ip
> level) the modem starts blinking blue and then solid blue
> turning off the ppp connection it goes into blinking blue mode
> 
I have no experience with huewaiAktBbo, I just use wvdial, works nicely.
Solid color also symbolises "Established mode" for me.

> > If the light is green after reboot, I need to reboot again until it turns blue. I know this sucks, but just something I've noticed.
> 
> Probably you could use the huaweiAktBbo program for this, too.
> 
I've noticed that it depends on the USB host somehow. On my laptop I need to restart 3 times before it will go into "blue mode" properly. On my primary PC though, it always works right away. No idea why and haven't had the time to bugtrack it.

> Best wishes
> 
> Norbert
> 
> -------------------------------------------------------------------------------
> Dr. Norbert Preining <preining@...ic.at>        Vienna University of Technology
> Debian Developer <preining@...ian.org>                         Debian TeX Group
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> -------------------------------------------------------------------------------
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