On Fri, Feb 09, 2018 at 03:56:30PM +0000, Robert Bielik wrote: > > We don't do github pull requests for the kernel, please see the long > > text response in that request for how to do it properly. > > > > Heck, we don't even use github :) > > I know, found it out the hard way 😉 > > > > > > However, that wasn't enough. The device still isn't loaded properly. > > > > What do you mean by "not loaded properly"? > > > > What specific errors are reported? And what kernel version are you > > using? > > Kernel version is 4.9.68 (https://github.com/raspberrypi/linux , > commit d5a3b4cab0c8eacc93e58cfa1bdbd259399caedd), the wTotalLength > calc error is present in latest version also > (https://github.com/torvalds/linux/blob/master/drivers/usb/gadget/function/f_uac2.c#L219) 4.9 is over a year old, can you try 4.14, or even better yet, 4.15? > Error is simply "This device cannot start. (Code 10)", with an excerpt from setupapi.dev.log: > > sto: {Configure Driver Package: exit(0x00000000)} > dvi: Install Device: Configuring device class. 15:36:08.031 > dvi: Install Device: Configuring device class completed. 15:36:08.038 > dvi: Device Status: 0x01806400, Problem: 0x1 (0xc0000493) > dvi: Install Device: Starting device 'USB\VID_1D6B&PID_0104\DEADBEEF00115599'. 15:36:08.045 > dvi: Install Device: Starting device completed. 15:36:08.070 > !!! dvi: Device not started: Device has problem: 0x0a (CM_PROB_FAILED_START), problem status: 0xc0440025. > > Using the TDD tool (http://www.thesycon.de/eng/usb_descriptordumper.shtml) I can see that the patch fixed the problem with wTotalLength, and now I can't see anything that looks suspicious. I don't remember if usbmon works on the gadget side, but some hint of what commands the host is sending you and failing would be good to find... good luck! greg k-h -- 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