Thanks Jon but that wasn't the easy answer I was looking for! Everything seems fine on the hardware side but obviously I've missed something. Off to the linux-usb list...
On Friday, August 22, 2014 3:11:04 PM UTC-7, Jon Smirl wrote: > > You are failing in hub_port_init() in usb/core.c. But something is > really broken. That is not a normal failure mode. Error -32 is > -EPIPE. That's the error you get when a USB transaction fails. > > You can use Wireshark to sniff the USB ports. > > On Fri, Aug 22, 2014 at 5:09 PM, George Ioakimedes <[email protected] > <javascript:>> wrote: > > Still working on my USB Hub design and am getting the following errors > when > > a USB device is plugged into the hub. If nothing is plugged into the hub > > when it enumerates I'm not seeing any errors. > > > > [ 3706.062887] hub 1-1:1.0: USB hub found > > [ 3706.066260] hub 1-1:1.0: 4 ports detected > > [ 3743.649498] usb 1-1.1: new full-speed USB device number 32 using > sw-ehci > > [ 3743.748361] usb 1-1.1: device descriptor read/64, error -32 > > [ 3743.938323] usb 1-1.1: device descriptor read/64, error -32 > > [ 3744.129482] usb 1-1.1: new full-speed USB device number 33 using > sw-ehci > > [ 3744.228350] usb 1-1.1: device descriptor read/64, error -32 > > [ 3744.418356] usb 1-1.1: device descriptor read/64, error -32 > > [ 3744.609483] usb 1-1.1: new full-speed USB device number 34 using > sw-ehci > > [ 3745.028667] usb 1-1.1: device not accepting address 34, error -32 > > [ 3745.129479] usb 1-1.1: new full-speed USB device number 35 using > sw-ehci > > [ 3745.548664] usb 1-1.1: device not accepting address 35, error -32 > > [ 3745.554038] hub 1-1:1.0: unable to enumerate USB device on port 1 > > > > > > Can someone help to track down where in the code branch that is > generating > > this error. I've searched the internet but seen conflicting answers so I > > figured it would be best to rely directly on the source code so I know > for > > sure what the error -32 is trying to tell me. > > > > Thanks, > > George > > > > -- > > You received this message because you are subscribed to the Google > Groups > > "linux-sunxi" group. > > To unsubscribe from this group and stop receiving emails from it, send > an > > email to [email protected] <javascript:>. > > For more options, visit https://groups.google.com/d/optout. > > > > -- > Jon Smirl > [email protected] <javascript:> > -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
