Re: USB device not detected on boot

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On Wed, Mar 10, 2010 at 01:44:22PM +0000, Nuno Gonçalves wrote:
> The UMTS modem Huawei E169 sometimes is not detected as a USB device
> on boot. No entry on /proc/...

proc does not contain usb devices at all anymore, so that's not an issue
:)

> When pluged after the system is booted, it is always detected.
> 
> It looks like some kind of incompability with this unit firmware(I've
> tested 5 hardware pieces).
> 
> Is there any kind of diagnose suit I can run to try to diagnose the issue?
> 
> I could only find the problem on Openwrt(2.6).

Sounds like a host controller issue.  We've seen this in the past and it
ended up not being a USB core problem, but a platform one.  I suggest
contacting the openwrt developers with the issue, not much we can do
about it here.

good luck,

greg k-h
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