On Tue, Mar 1, 2011 at 11:10 AM, Simon Leung <simonleung@xxxxxxx> 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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