On Tue, Mar 1, 2011 at 11:10 AM, Simon Leung <[email protected]> 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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