Re: xhci_hcd error Transfer event TRB DMA ptr not part of current TD ep_index 8 comp_code 1

2015-03-26 Thread Alistair Grant
On Mon, Mar 23, 2015 at 10:14 PM, Devin Heitmueller dheitmuel...@kernellabs.com wrote: My guess would be that there's some bug in the cx231xx that exacerbates an edge case in the XHCI core - like prematurely setting the USB alternate back to zero when stopping streaming and not canceling all

Re: xhci_hcd error Transfer event TRB DMA ptr not part of current TD ep_index 8 comp_code 1

2015-03-23 Thread Devin Heitmueller
Hi Alistair, There are some small differences in packet ordering, however the first major difference is an isochronous in packet where the Live2 returns URB status: No such file or directory (-ENOENT) (-2). Devin, I'm try to learn a bit about USB and the Live2 protocol, however I'm not sure

Re: xhci_hcd error Transfer event TRB DMA ptr not part of current TD ep_index 8 comp_code 1

2015-03-23 Thread Alistair Grant
Hi Devin, On Mon, Mar 23, 2015 at 8:16 PM, Devin Heitmueller dheitmuel...@kernellabs.com wrote: Hi Alistair, There are some small differences in packet ordering, however the first major difference is an isochronous in packet where the Live2 returns URB status: No such file or directory

Re: xhci_hcd error Transfer event TRB DMA ptr not part of current TD ep_index 8 comp_code 1

2015-03-23 Thread Devin Heitmueller
At the moment I only have access to laptops, not a desktop, so the EHCI testing was on a different machine, with the Ubuntu 3.13 kernel. If you'd like me to test on a more recent kernel, please let me know. Ok. That's a useful data point. It's also worth mentioning that the process you're

xhci_hcd error Transfer event TRB DMA ptr not part of current TD ep_index 8 comp_code 1

2015-03-23 Thread Alistair Grant
Hi Mathias Devin, I've changed the subject to avoid any confusion with the patch series that Mathias just posted for inclusion in 4.0-rc. On Tue, Mar 17, 2015 at 4:21 PM, Alistair Grant akgrant0...@gmail.com wrote: It looks like I may have signed-off a little too soon. While the patch is