Andrew, 

It's not necessarily a broken hub, just that you're using a USB 1.1 device on a 
USB 2.0 hub that doesn't support multi-TT. Your first hub should work fine with 
USB 2.0 devices. I'm assuming your second hub is multi-TT. 

As for the dwc_otg driver in trunk, you may have to do a distclean and rebuild. 

Layne 

On Wed, 17 Aug 2011 23:32:25 +0400, Andrew wrote: 

> On Tue, 16 Aug 2011 16:15:19 -0500, Layne Edwards
> wrote:
>> Andrew, I haven't done much testing with the dwc otg driver and an external 
>> hub. I have a few hubs, and I will do some testing. I'm interested to see
> your 
> 
>> results as well. Is your 3G modem perhaps an USB 1.1 device? If so, you may 
>> want to use a multi-TT hub for best performance. Regards, Layne
> On Tue, 16 Aug 2011 16:15:19 -0500, Layne Edwards wrote: mult
> 
>> .0 hub... Well, it worked. Looks li
> ken hub, or it requires some quirk dwc_otg is not aware of. It does look more 
> like a hub problem, so I'm just going to stick to a different hub.
Anyway, I've just compiled the trunk with the latest changesets, that already 
include dwc_otg. It's compiled as a module now, and... doesn't work. I just 
get: dwc_otg: version 2.72a 24-JUN-2008 And that's all. No more messages 
whatsoever. I have a strange feeling that neither HOST, nor DEVICE mode get 
eventually enabled. Is this a known bug? (I will be investigating further this 
weekend) Regards, Andrew _______________________________________________ 
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