From: jmahoney@waav.com (John Mahoney)
To: kernelnewbies@lists.kernelnewbies.org
Subject: likely kernel/driver problem with 3G USB stick
Date: Wed, 2 Mar 2011 12:33:09 -0500 [thread overview]
Message-ID: <AANLkTimcY9bksVYErgLo+42iwKUwc3ngiap4xgAnz1jZ@mail.gmail.com> (raw)
In-Reply-To: <4D6D1A83.7000907@gmx.com>
On Tue, Mar 1, 2011 at 11:10 AM, Simon Leung <simonleung@gmx.com> wrote:
> Hi all,
>
> I'm having a problem with my 3G USB stick (Huawei E220) .
>
> The kernel I'm using is version 2.6.21 customized for an ARM board. When
> I insert the USB stick into the system, normally 3 device show up:
> /dev/ttyUSB{0,1,2}. The problem I' having is that some time, only the
> first one shows up and I cannot connect to it. When this happens,
> normally a reboot will fix it.
>
> As I said, this sounds like a kernel/driver issue to me. Could somebody
> give me some pointers as how to prove/fix it?
>
>
>
You may need to eject the scsi cdrom with USB_ModeSwitch. In distros with
normally is automatically done via a udev rule.
--
John
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prev parent reply other threads:[~2011-03-02 17:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-01 16:10 likely kernel/driver problem with 3G USB stick Simon Leung
2011-03-01 16:37 ` Greg KH
2011-03-01 16:41 ` Simon Leung
2011-03-01 16:56 ` Greg KH
2011-03-02 17:33 ` John Mahoney [this message]
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