Re: needs XHCI_TRUST_TX_LENGTH quirk?
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Yo Sarah! On Mon, 2 Jul 2012 13:28:15 -0700 Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx> wrote: > > > > xhci_hcd 0000:03:00.0: WARN Successful completion on short TX: > > > > needs XHCI_TRUST_TX_LENGTH quirk? > What devices trigger the warning? Do you notice anything odd with > those devices? I have this port connected to an SIIG USB2/3 hub. After a while communications to the hub cease and only a reboot restores things. > Do you have a USB headset with a speaker to test with? If you notice > robotic-sounding audio when you record from the headset, then we need > to trust the untransferred length, not the completion status. If I plug a USB headset into a USB 3 port on the SIIG I get this: usb 8-1.3: new full-speed USB device number 11 using xhci_hcd usb 8-1.3: New USB device found, idVendor=0d8c, idProduct=0139 usb 8-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 usb 8-1.3: Product: DYNEX USB Audio Device usb 8-1.3: Manufacturer: C-Media Electronics Inc. usb 8-1.3: Not enough bandwidth for new device state. usb 8-1.3: can't set config #1, error -28 Similarly plugged into a USB 2.0 port on the SIIG: usb 8-1.1.1: new full-speed USB device number 12 using xhci_hcd usb 8-1.1.1: New USB device found, idVendor=0d8c, idProduct=0139 usb 8-1.1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 usb 8-1.1.1: Product: DYNEX USB Audio Device usb 8-1.1.1: Manufacturer: C-Media Electronics Inc. usb 8-1.1.1: Not enough bandwidth for new device state. usb 8-1.1.1: can't set config #1, error -28 Fomr no until reboot nothing added to that hub will work. > > Anyway to specify this at kernel or module load time? > > Nope. We don't make module parameters for quirks because we really > want the driver to work out-of-the-box with all host hardware. So we > need to add a quirk to the driver. Too bad, it would make testing easy. RGDS GARY --------------------------------------------------------------------------- Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97701 gem@xxxxxxxxxx Tel:+1(541)382-8588
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