On Fri, Feb 24, 2012 at 10:34 AM, <cov...@ccs.covici.com> wrote: > Hi. I have a Supermicro c7P67-o motherboard and I have another system > using windows with no problems. However, when I am trying to use the > board with gentoo -- various kernels -- including 3.2.6-gentoo -- I am > having lots of problems with USB. The board has two usb3 connectors and > most of the time when I plug a usb3 enclosure into one of those, I get > lots of errors such as > Feb 23 10:27:31 ccs kernel: xhci_hcd 0000:04:00.0: Timeout while waiting > for address device command > Feb 23 10:27:31 ccs kernel: usb 3-1: device not accepting address 2, > error -62 > > Once in a while if I reboot I can get it to work, but usually not. Now > usb2 works for about a day or so and then either slows way down or the > drive is just not seen at all. In those cases there are no log messages > at all to give any hint. > > So, does anyone have any ideas as to why this is happening -- the > Supermicro people have noclue whatsoever. > > Thanks in advance for any suggestions.
You might try posting to the usb-storage mailing list, people working on the USB3 drivers are there and might know more about that specific chipset and what those messages really mean. https://lists.one-eyed-alien.net/mailman/listinfo/usb-storage