2012/7/13 VIKAS SAJJAN C <vikas.sajjan@xxxxxxxxxxx>: > Hi Andiry, > > > 1. xHCI root hub --- SS hub --- some other USB 2.0 devices > ----- I tired with 2 more usb 2.0 devices , same error comes. That is strange. The usb 3.0 hub is VIA VL810. I have a same usb 3.0 hub that has same firmware with your hub. But it works fine. I tested it on 3.5.0-rc4 and 3.4.0-rc2. Best Regards, Elric > > 2. xHCI root hub --- some other SS hub or HS hub --- the same USB2.0 device > ------ i connected xHCI root hub -->HS hub--> the same 2.0 device , it works fine. > > I dont have another SS hub to check with. > > please find the attachement fot the log. > > Regards > Vikas Sajjan > > ------- Original Message ------- > Sender : Andiry Xu<andiry.xu@xxxxxxx> > Date : Jul 13, 2012 17:11 (GMT+09:00) > Title : Re: usb 2.0 device connected on Super Speed HUB on USB 3.0 Port throws > error during enumeration on 3.4 kernel. > > On 07/13/2012 03:50 PM, VIKAS SAJJAN C wrote: >> Hi Andiry, >> >> Thanks for the reply. >> >> If I connect the USB 2.0 Device directly to the USB 3.0 Port (without the SS Hub ), it works fine. >> It even works fine if i connect the same USB 2.0 Device through a SS Hub connected to USB 2.0 port (EHCI root hub). >> >> the Problem comes if i connect the same USB 2.0 Device through a SS Hub connected to USB 3.0 port (XHCI root hub). >> > > When a SS hub is connected to EHCI, it just works like a HS hub. No > address device command is issued. > > Can you post the output of lsusb -vvvv and lspci -vvnn? > > And what occurs with the following two scnearios: > > 1. xHCI root hub --- SS hub --- some other USB 2.0 devices > 2. xHCI root hub --- some other SS hub or HS hub --- the same USB2.0 device > > Thanks, > Andiry > > >> >> ------- Original Message ------- >> Sender : Andiry Xu<andiry.xu@xxxxxxx> >> Date : Jul 13, 2012 16:29 (GMT+09:00) >> Title : Re: usb 2.0 device connected on Super Speed HUB on USB 3.0 Port throws >> error during enumeration on 3.4 kernel. >> >> On 07/13/2012 02:49 PM, VIKAS SAJJAN C wrote: >>> Hi , >>> I am working on 3.4 kernel , when i try to connect a USB 2.0 device on Super Speed HUB , i get following error. >>> >>> usb 3-1.1: Device not responding to set address. >>> usb 3-1.1: device not accepting address 3, error -71 >>> >>> any inputs will be of great help. >>> >>> Thanks and Regards >>> Vikas Sajjan ¢éì¹» ®&Þ~º&¶ ¬–+-±éݶ ¥Šw®žË›±Êâmébžìn±¸§¶ ›¡Ü¨}©ž²Æ zÚ&j:+v‰¨¾ «‘êçzZ+€Ê+zf£¢·hšˆ§~††Ûiÿûàz¹ ®w¥¢¸?™¨èÚ&¢)ߢ f >> >> The address command is rejected by the device. What happens if you plug >> the device to EHCI controller or to xHCI root hub (without the SS hub)? >> >> Thanks, >> Andiry >> > > -- 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