Re: [Ltib] USB device is not detected

[Stuart Hughes]

Hi Casper,

This is a kernel and possibly udev question more than LTIB.

What is the USB device?  make sure your kernel config contains something
that seems to match this (look in
config/platform/_target_/_kernel_config_for_your_platform).

The other possible factor is udev, sometimes you may need to a a
specific rule if it's an uncommon device.  The first thing though is the
 make sure your kernel is right.  When you plug in the device, check
/var/log/messages and look to see if it was detected when plugged in.

You may get better help on a kernel an/or USB mailing list.  You will
need to provide more details though on your platform, kernel and USB device.

Regards, Stuart

casper iway wrote:
> Hello,
> 
> I was wondering why does my usb device is not detected once my board
> boots up the kernel and FS.
> 
> I have just run my first embedded linux using LTIB after spending days
> to get a right configuration of my FS (ramdisk.). And now after i
> successfully run embedded linux i got a bash prompt for the first time,
> but everytime i plug my usb to the board, i could not be detected..
> 
> I was thinking maybe i could solve this problem by modifying some line
> in the kernel .config file.. But as a beginner i have no idea what line
> to modify..
> 
> Could someone point me out what line to modify or could you provide me a
> good link to start reading about kernel configuration and explaining
> things clearly for a novice like me to understand..
> 
> Thanks,
> 
> Casper
> 
> 
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