On 02/09/2012 08:15 AM, Sarah Sharp wrote: > On Wed, Feb 08, 2012 at 02:28:36PM -0800, Sarah Sharp wrote: >> On Thu, Feb 02, 2012 at 02:14:20AM +0200, Felipe Contreras wrote: >>> On Wed, Feb 1, 2012 at 6:51 PM, Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx> wrote: >>>> On Tue, Jan 31, 2012 at 10:52:42PM +0200, Felipe Contreras wrote: >>>>> Note that this USB 2.0 device didn't work =/ >> >> Yep, I see that the host controller doesn't like some input we gave it >> when we tried to set up the configuration endpoint rings: >> >> Jan 31 22:43:53 dyfed kernel: [ 79.045933] xhci_hcd 0000:02:00.0: ERROR: unexpected command completion code 0x11. >> Jan 31 22:43:53 dyfed kernel: [ 79.045935] xhci_hcd 0000:02:00.0: xhci_reset_bandwidth called for udev ffff88042bec7000 >> Jan 31 22:43:53 dyfed kernel: [ 79.045936] xhci_hcd 0000:02:00.0: Freeing ring at ffff880429dceae0 >> Jan 31 22:43:53 dyfed kernel: [ 79.045937] xhci_hcd 0000:02:00.0: Freeing DMA segment at ffff88000282b800 (virtual) 0x282b800 (DMA) >> Jan 31 22:43:53 dyfed kernel: [ 79.045939] xhci_hcd 0000:02:00.0: Freeing priv segment structure at ffff88042bee91c0 >> Jan 31 22:43:53 dyfed kernel: [ 79.045943] xhci_hcd 0000:02:00.0: Freeing ring at ffff880429dce060 >> Jan 31 22:43:53 dyfed kernel: [ 79.045944] xhci_hcd 0000:02:00.0: Freeing DMA segment at ffff880002843000 (virtual) 0x2843000 (DMA) >> Jan 31 22:43:53 dyfed kernel: [ 79.045946] xhci_hcd 0000:02:00.0: Freeing priv segment structure at ffff88042bee9fe0 >> >> I'll have to look at the input and see what we're doing wrong. > > Ok, I'm really not sure what's going wrong here. The host controller is > rejecting the configure endpoint command with a completion code of 0x11, > which is a parameter error. But I've double checked the input context, > and everything looks correct, according to the 0.96 xHCI spec. That > checking is attached. > Doesn't the Interval field of ep_info looks suspicious? The value is 0xff, while spec says the legal range is 3 to 11 for Full/Low speed interrupt eps and 0 to 15 for all other endpoint types. Thanks, Andiry > Do any USB 2.0 devices work under this host controller? Maybe something > that has a different endpoint type than a bulk endpoint, like a webcam > or mouse? > > Sarah Sharp -- 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
