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juan@xtrarom.org said:
> uhci0 at pci0 dev 29 function 0: Intel 82801GB/GR USB UHCI Controller 
> [...]

This is close to what I have. (I mistyped uhci->ohci in my
previous mail.)

As a temporary workaround, you could try the appended patch.
It should disable the optimisation mentioned.
I'll try to get some debugging code in place later today.
Sorry for the breakage.

best regards
Matthias



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# 
# old_revision [20ed559b977f914432de685d7cfcfdf6cb8065b9]
# 
# patch "sys/dev/usb/uhub.c"
#  from [5d3d36e84fc89f85438d0504fe587fddbe54af0e]
#    to [855df28b6d507bacaa8fe577e214350fc3889e62]
# 
============================================================
--- sys/dev/usb/uhub.c	5d3d36e84fc89f85438d0504fe587fddbe54af0e
+++ sys/dev/usb/uhub.c	855df28b6d507bacaa8fe577e214350fc3889e62
@@ -395,7 +395,7 @@ uhub_explore(usbd_device_handle dev)
 		status = change = 0;
 
 		/* don't check if no change summary notification */
-		if (PORTSTAT_ISSET(sc, port) || reconnect) {
+		if (1 /*PORTSTAT_ISSET(sc, port) || reconnect*/) {
 			err = usbd_get_port_status(dev, port, &up->status);
 			if (err) {
 				DPRINTF(("uhub_explore: get port stat failed, "

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