2015-03-10 18:04 GMT+01:00 Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>: > On 10.03.2015 17:36, Jörg Otte wrote: > >>>> Any chance you could take a log with xhci debugging enabled before attaching the DVB-T >>>> stick? >>>> >>>> echo -n 'module xhci_hcd =p' > /sys/kernel/debug/dynamic_debug/control >>>> >>>> >>> >>> here it comes attached. >>> >>> >>>> I'd suspect one of these two patches: >>>> >>>> commit 45ba2154d12fc43b70312198ec47085f10be801a >>>> xhci: fix reporting of 0-sized URBs in control endpoint >>>> >>>> commit 27082e2654dc148078b0abdfc3c8e5ccbde0ebfa >>>> xhci: Clear the host side toggle manually when endpoint is 'soft reset' >>>> >> >> Revert the commits. >> The second one "xhci: Clear the host side..." is it ! >> > > Yes, thank you > > Seems that It wasn't mature enough, I'll revert it. > > From your logs I can see what went wrong, > > If you still have some time, could you try out a patch (attached) and see if it solves the > issue for you. (on top of clean 4.0-rc3). I can't reproduce it with my own USB DVB-T device Problems: error: patch failed: drivers/usb/host/xhci.c:2972 error: drivers/usb/host/xhci.c: patch does not apply For me the patch looks formally good. No idea why. Thanks, Jörg -- 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