On 11/06/17 13:11, Roberto Fernandez Cueto wrote: > Roberto Fernandez-Cueto schrieb am 06.11.2017 13:11 > _____________________________________________________________________ > > On Mon, Nov 06, 2017 at 12:55:20PM +0100, Hans Petter Selasky wrote: >> On 11/06/17 09:27, Roberto Fernandez Cueto wrote: >>> Roberto Fernandez-Cueto schrieb am 06.11.2017 09:27 >>> _____________________________________________________________________ >>> >>> Hi people, >>> >>> the original person who wrote this email has left our company so I will >>> retake it from here. >>> >> >> Hi Roberto, >> >> Have you read through this thread in the mailing list archives? >> >> --HPS > > Hi Hans, > > I have recently read the thread and I am trying to get all the > information I can before digging more into the matter. > > It is a complex matter and I just one to try every single possible > solution and be advised from the experts in the matter. > > Thanks in advance, > Roberto > Hi, In FreeBSD there is a special function that the application can use to check if the USB device is still present: libusb_check_connected() Checking this function regularly and then closing the USB handles might fix the problem you are experiencing. At least for debugging, try to print the value from this function in a separated thread, and check if there are any differences when you experience the hang. Try to use GDB to collect all backtraces for apps using the USB handle. --HPSReceived on Mon Nov 06 2017 - 11:28:56 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:41:13 UTC