Switched to a 2-port ASMedia controller and I was able to attach a hub out of the box. Yay! So the Renesas card is garbage.
On Fri, Nov 27, 2015 at 9:24 PM, Brett Foster <fost...@edgeandvertex.org> wrote: > Interesting. It has happened that I have needed to do the power down > procedure but in general the USB devices work or they do not... and those > that do are consistent. > > So I have to wonder... is it the chipset or is there something about the > virtualized environment? Have any other chipsets proven to be more reliable? > > This is about the only issue I think I've had with the VM since I figured > this iommu stuff out. I'm really really impressed. > > On Fri, Nov 27, 2015 at 7:42 PM, Okky Hendriansyah <o...@nostratech.com> > wrote: > >> On November 28, 2015 at 03:01:23, Brett Foster (fost...@edgeandvertex.org) >> wrote: >> >> Hi, >> >> I have a uPD720201 USB 3.0 controller card installed and mapped to my VM. >> Many devices work fine, however a number of devices fail to enumerate. For >> example, I have tried 4 different USB hubs (2 and 3). Some flash/disk >> drives work while others don't. My USB CAN/LIN USB adapter doesn't work. >> Some devices are USB 3. Some are USB 2. >> >> I've never seen this kind of behaviour before. Does anybody have >> experience with this controller? >> >> Brett >> >> Hi Brett, >> >> I have a Renesas card with 4 port of USB 3.0 which I think the same with >> yours. This is my lspci -k output for my USB 3.0 card: >> >> 08:00.0 USB controller: Renesas Technology Corp. uPD720201 USB 3.0 Host >> Controller (rev 03) >> >> Kernel driver in use: vfio-pci >> >> Kernel modules: xhci_pci >> >> I have it passed through to my Windows 10 guest, with a USB tree >> something like this: >> >> Renesas uPD720201 USB 3.0 Card >> >> |— Logitech Gamepad F510 >> >> |— Dell U2312HM monitor USB 2.0 hub >> >> |— Canon LiDE 220 scanner >> >> |— Pluggable USB 2.0 switch >> >> |— Toshiba USB 2.0 hub >> >> |— Logitech G502 mouse >> >> |— Filco Ninja keyboard >> >> The only troublesome part is the Toshiba USB 2.0 hub, sometimes it fails. >> And I usually remedy it with fully power off the machine (turn of the PSU >> switch) for a while and after that it enumerates normal again. Does your >> card comes with a molex powered port? Just in case you haven’t done so, >> have you plugged it with a molex? >> >> -- >> *Okky Hendriansyah* >> > >
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