> Sounds like a data-toggle problem. OK, thanks. I first had to research what that is.
> Hard to debug w/o a bus trace, because the host controller handles this. I'll try to get hold of a hardware tracer then. > Would be to know host controller type when looking at this. OHCI, if I read my dmesg correctly: [...] Supermicro H8SCM (1234567890) mainbus0 (root) [...] pci0 at mainbus0 bus 0: configuration mode 1 pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok [...] ohci0 at pci0 dev 18 function 0: vendor 0x1002 product 0x4397 (rev. 0x00) ohci0: interrupting at ioapic0 pin 16 ohci0: OHCI version 1.0, legacy support usb0 at ohci0: USB revision 1.0 [...] uhub0 at usb0: vendor 0x1002 OHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub0: 3 ports with 3 removable, self powered [...] ugen0 at uhub0 port 1 ugen0: Phoenixtec Power USB Cable (V2.00), rev 1.00/0.06, addr 2 [...] ugen1 at uhub0 port 2 ugen1: Phoenixtec Power USB Cable (V2.00), rev 1.00/0.06, addr 3 [...]
