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.
Around 2.6.13, I noticed that EHCI stopped working after a suspend/resume
(to/from RAM) cycle. So I updated my suspend script to unload/reload EHCI
each time, which fixed the problem for me. My script still does that.
Dunno if it's fixed in mainline or not.
Does unloading/reloading EHCI help you?
rmmod ehci_hcd ; modprobe ehci_hcd
Cheers
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