> -----Original Message----- > From: Sander Eikelenboom [mailto:linux@xxxxxxxxxxxxxx] > Sent: Thursday, October 28, 2010 10:46 PM > To: Xu, Andiry > Cc: Sarah Sharp; linux-usb@xxxxxxxxxxxxxxx > Subject: xhci isoc : Not enough bandwidth for altsetting 6 > > Hi Andiry / Sarah, > > I got another webcam(microsoft hd 5000) to test with xhci today (UVC > driver, usb2 device), > - On a usb2 controller this gives no problem and i can grab video. > - On the usb3/xhci nec controller i get "Not enough bandwidth for > altsetting 6" and can't grab video > > I have attached: > - dmesg.txt > - dmesg-debug.txt > - lsusb.txt > > in dmesg i have: > - first plugged the device in the usb2 controller and started > videograbbing, no problem > - then unplugged and plugged into the usb3 controller and started > videograbbing, which doesn't work and gives an "Not enough bandwidth for > altsetting 6", although some other appear as well. > > in dmesg-debug-txt > - rebooted with kernel config with xhci debug enabled > - plugged the device in usb3 controller > - tried to grab video > > It's a device initialization issue. xHC controller returns 0x11 for configure command, which indicates the input context is invalid. Perhaps the driver makes the input context wrongly in some places. Sarah, can you help check it out? 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
