On 13.10.2014 18:55, Felipe Balbi wrote: > Hi, > > On Mon, Oct 13, 2014 at 09:22:46AM -0500, Felipe Balbi wrote: >>> Could you try with xhci debugging enabled? (will probably produce a >>> lot of output) >>> >>> echo -n 'module xhci_hcd =p' > /sys/kernel/debug/dynamic_debug/control >> >> I'll try, sure. > > I used tracing otherwise the problem wouldn't show up. Attached you can > find output: > > 0b7e070de7b65de9f70805f4639b3e58 xhci-timeout-testusb.txt.gz > Thanks, looks like we end up calling cleanup_halted_endpoint() a lot. This will (try to) reset the endpoint and move to handle the next TD (URB). This is called when we're processing contorl transfers and something out of the ordinary happends (returned STALL, BABBLE, and some other reasons) I need to dig a bit deeper to know what actually is going on. -Mathias -- 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
