On Sun, 2 Apr 2006, Joshua Kwan wrote:
> On 04/02/2006 07:09 PM, Alan Stern wrote:
> > If you were to continue looking farther down in the log, you would find
> > that ehci-hcd sees all those devices. Those that can run at high speed
> > continue using the EHCI controller. For those that can't, the switch is
> > reset and they get reconnected to their UHCI controller.
>
> That makes sense - that is indeed what happens when it DOES work (i.e.
> with 2.6.15), but the fact is that they don't come back in 2.6.16. I
> will try building ehci-hcd in and see what happens.
If the devices don't come back, it's an indication that some driver has
hung. A stack trace (Alt-SysRq-T) should help identify which driver is in
trouble.
Alan Stern
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