Re: USB serial regression 2.6.31.1 -> 2.6.31.2 (and 2.6.32-rc3)

From: Benjamin Herrenschmidt
Date: Fri Oct 09 2009 - 22:47:23 EST


On Fri, 2009-10-09 at 21:56 -0400, Alan Stern wrote:
> > > At the end, I think I yanked it out.
>
> This looks a lot like a hardware problem, such as bad USB cables.
> Could you collect a usbmon trace for bus 4? It ought to show whether
> this is the case or whether software is at fault.

It works just fine with 2.6.31.1

It's a USB modem "stick", no cables involved. Same symptom with another
stick from a co-worker. Both work fine on older kernels.

Cheers,
Ben.


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