Re: non-working UVC device 058f:5608

On Monday 09 June 2014 12:27:37 Johannes Berg wrote: On Mon, 2014-06-09 at 11:59 +0200, Johannes Berg wrote: Johannes, could you enable USB debugging in the linus/master kernel and provide a kernel log ? I'll try to get some logs (wasn't there tracing added to xhci too? will check)

Re: non-working UVC device 058f:5608

Hi Laurent, Thanks for the quick reply! and then the kernel message repeats forever, while I can't even exit uvccapture unless I kill it hard, at which point I get xhci_hcd :00:14.0: Signal while waiting for configure endpoint command usb 1-3.4.4.3: Not enough bandwidth for

Re: non-working UVC device 058f:5608

Hi Johannes, On Monday 09 June 2014 09:33:06 Johannes Berg wrote: Hi Laurent, Thanks for the quick reply! You're welcome. and then the kernel message repeats forever, while I can't even exit uvccapture unless I kill it hard, at which point I get xhci_hcd :00:14.0: Signal

Re: non-working UVC device 058f:5608

On Mon, 2014-06-09 at 11:25 +0200, Laurent Pinchart wrote: Indeed, that works! Interestingly, it works neither on a USB3 port directly, nor on a USB2 hub behind the USB3 port. I would thus be tempted to classify this as an XHCI controller issue. linux- usb should be the right list to get

Re: non-working UVC device 058f:5608

On Mon, 2014-06-09 at 11:59 +0200, Johannes Berg wrote: Johannes, could you enable USB debugging in the linus/master kernel and provide a kernel log ? I'll try to get some logs (wasn't there tracing added to xhci too? will check) Here we go - log + tracing: log:

Re: non-working UVC device 058f:5608

On Mon, 2014-06-09 at 12:27 +0200, Johannes Berg wrote: Here we go - log + tracing: log: http://p.sipsolutions.net/d5926c43d531e3af.txt trace: http://johannes.sipsolutions.net/files/xhci.trace.dat.xz Oh, and this was the kernel diff to commit 963649d735c8b6eb0f97e82c54f02426ff3f1f45: diff

Re: non-working UVC device 058f:5608

Hi Johannes, On Saturday 07 June 2014 23:51:43 Johannes Berg wrote: I just obtained a new (special-purpose) webcam, and it doesn't seem to work at all. On kernel torvals/linux.git next branch, it doesn't even really connect, on 3.13 (which I'm running on my laptop) I get errors like this:

non-working UVC device 058f:5608

I just obtained a new (special-purpose) webcam, and it doesn't seem to work at all. On kernel torvals/linux.git next branch, it doesn't even really connect, on 3.13 (which I'm running on my laptop) I get errors like this: xhci_hcd :00:14.0: ERROR Transfer event TRB DMA ptr not part of current