Alan Stern wrote: > On Sun, 6 May 2012, Martin Mokrejs wrote: > >> Hmm. >> >> Here is what happens against the Texas Instruments USB 3.0 controller: >> >> xhci_hcd 0000:0b:00.0: Giveback URB ffff8803fe819180, len = 36, expected = c0, status = -121 >> [...] >> xhci_hcd 0000:0b:00.0: Giveback URB ffff8803fe8199c0, len = 0, expected = d, status = -32 >> >> But it works, and is quick,. Just do not know why I see those 3 several times. > > Because you have the xHCI debugging messages enabled. That's all they > are, just normal debugging messages. Nothing is wrong. I wondered about the "d" and negative numbers. > >> Again, I attach dmesg and corresponding usbmon trace. Is there anything wrong? > > No. > >> Maybe similar to the case of USB2 connection? Also opens electrical connection too early? ;) > > No, it worked perfectly, as far as I can see. Excellent. Traces when connected to NEC controller after I know the laptop is working fine. There will be issues. ;) Thanks for your time. Martin -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
