On Sat, May 26, 2012 at 4:54 AM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > On Fri, 25 May 2012, Hans de Goede wrote: >> I spend the last 1.5 days debugging a problem with redirecting >> certain USB mass-storage devices to a Windows 7 vm. >> >> This problem only happens when the device is plugged into an >> USB 3 port. >> > Judging by your description, there is a bug either in xhci-hcd or in > your xHCI hardware. What does "lspci -vv" show for the controller? > Just want to reference another bug report with similar problem, this time it is an ASMedia controller. Thread: http://libusb.6.n5.nabble.com/Smartcard-reader-failed-on-USB-3-0-port-td5709817.html (with logs for USB 2.0 port which is okay and USB 3.0 port which failed) Ticket: http://libusb.org/ticket/133 > $ lspci -vv > > 03:00.0 USB controller: ASMedia Technology Inc. ASM1042 SuperSpeed USB > Host Controller (prog-if 30 [XHCI]) > Subsystem: ASUSTeK Computer Inc. Device 1059 > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR- FastB2B- DisINTx+ > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > Latency: 0, Cache Line Size: 64 bytes > Interrupt: pin A routed to IRQ 19 > Region 0: Memory at dde00000 (64-bit, non-prefetchable) [size=32K] > Capabilities: <access denied> > Kernel driver in use: xhci_hcd -- Xiaofan -- 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
