libusb has a debug verbosity level which currently is set to 3 (i.e., very verbose) in the device open function. There is a define in libusbx.pas that you can change to shut off debug messages.
On Thu, Aug 29, 2019 at 12:03 PM James Richters < ja...@productionautomation.net> wrote: > Now I have a new strange issue. I've been working with my sample program > here: https://github.com/Zaaphod/libusbxhid/blob/WHB04B-4/whb04b.pas > > And it's been working just fine for me.. just some minor little tweaks and > adding new functionality.. etc.. I was just about to start to merge this > into my large project when I sent the sample program to my dad... on his > system he just gets a screen full of errors... but on mine, it's nice and > clean. I don't understand what is happening.. I reduced my test program > down to the most basic sample that demonstrates the issue here: > https://github.com/Zaaphod/libusbxhid/blob/System_Specific_Bug/bugtest.pas > > All this program does is checks to see if a specific device exists.. this > program works perfectly on 4 computers and has no issue, but on one of my > dad's computers I get the following errors: > > libusb: error [init_device] device > 'USB\VID_2109&PID_2812&ASMEDIAUSBD_HUB\00000830' is no longer connected! > libusb: error [init_device] device 'USB\VID_1778&PID_0224\40000030' is no > longer connected! > libusb: info [cache_config_descriptors] could not access configuration > descriptor 0 (dummy) for 'USB\VID_2109&PID_2811\5&34472DFD&0&4': [31] A > device attached to the system is not functioning. > libusb: error [init_device] device > 'USB\VID_1058&PID_10B8\57583631413934354E345939' is no longer connected! > > > I don't know why Libusb is reporting this, no one tried to open anything > so who cares if some devices are not connected, and how does it know they > were connected at one time... this is not even an error.. if it's not > connected, just ignore it, nobody cares about that device anyway. > So I have two questions: > 1. any idea why these errors are being generated and how to fix it? > 2. Is there a way to turn off libusb errors, info and warnings? > > All systems are windows 10 Pro 64 bit, program was compiled for windows > 64bit as well. > > Here is the complete output with debug info: > > K:\ProAuto>bugtest.exe > libusb: error [init_device] device > 'USB\VID_2109&PID_2812&ASMEDIAUSBD_HUB\00000830' is no longer connected! > libusb: error [init_device] device 'USB\VID_1778&PID_0224\40000030' is no > longer connected! > libusb: info [cache_config_descriptors] could not access configuration > descriptor 0 (dummy) for 'USB\VID_2109&PID_2811\5&34472DFD&0&4': [31] A > device attached to the system is not functioning. > libusb: error [init_device] device > 'USB\VID_1058&PID_10B8\57583631413934354E345939' is no longer connected! > Looking for $10CE, $EB93: DEBUG Found 20 devices attached > DEBUG 1038:1310, bus: 7, address: 6 > DEBUG 1002:4399, bus: 10, address: 0 > DEBUG 1B21:1142, bus: 3, address: 0 > DEBUG 046D:C31C, bus: 7, address: 3 > DEBUG 1B21:1142, bus: 1, address: 0 > DEBUG 2109:0812, bus: 1, address: 1 > DEBUG 2109:2812, bus: 7, address: 2 > DEBUG 1002:4397, bus: 6, address: 0 > DEBUG 1002:4397, bus: 5, address: 0 > DEBUG 0A12:0001, bus: 5, address: 1 > DEBUG 2109:2811, bus: 7, address: 9 > DEBUG 1002:4397, bus: 9, address: 0 > DEBUG 0C45:7403, bus: 7, address: 4 > DEBUG 1002:4396, bus: 8, address: 0 > DEBUG 1002:4396, bus: 7, address: 0 > DEBUG 0E50:0002, bus: 7, address: 7 > DEBUG 1B21:1142, bus: 2, address: 0 > DEBUG 1002:4396, bus: 4, address: 0 > DEBUG 1A40:0101, bus: 7, address: 1 > DEBUG 2109:2812, bus: 7, address: 5 > DEBUG Index of device 4302:60307=-1 > DEBUG Freeing device list with 20 devices > DEBUG USB device list freed. good boy! > FALSE > libusb: error [init_device] device > 'USB\VID_2109&PID_2812&ASMEDIAUSBD_HUB\00000830' is no longer connected! > libusb: error [init_device] device 'USB\VID_1778&PID_0224\40000030' is no > longer connected! > libusb: info [cache_config_descriptors] could not access configuration > descriptor 0 (dummy) for 'USB\VID_2109&PID_2811\5&34472DFD&0&4': [31] A > device attached to the system is not functioning. > libusb: error [init_device] device > 'USB\VID_1058&PID_10B8\57583631413934354E345939' is no longer connected! > Looking for $10CE, $EB93: DEBUG Found 20 devices attached > DEBUG 1038:1310, bus: 7, address: 6 > DEBUG 1002:4399, bus: 10, address: 0 > DEBUG 1B21:1142, bus: 3, address: 0 > DEBUG 046D:C31C, bus: 7, address: 3 > DEBUG 1B21:1142, bus: 1, address: 0 > DEBUG 2109:0812, bus: 1, address: 1 > DEBUG 2109:2812, bus: 7, address: 2 > DEBUG 1002:4397, bus: 6, address: 0 > DEBUG 1002:4397, bus: 5, address: 0 > DEBUG 0A12:0001, bus: 5, address: 1 > DEBUG 2109:2811, bus: 7, address: 9 > DEBUG 1002:4397, bus: 9, address: 0 > DEBUG 0C45:7403, bus: 7, address: 4 > DEBUG 1002:4396, bus: 8, address: 0 > DEBUG 1002:4396, bus: 7, address: 0 > DEBUG 0E50:0002, bus: 7, address: 7 > DEBUG 1B21:1142, bus: 2, address: 0 > DEBUG 1002:4396, bus: 4, address: 0 > DEBUG 1A40:0101, bus: 7, address: 1 > DEBUG 2109:2812, bus: 7, address: 5 > DEBUG Index of device 4302:60307=-1 > DEBUG Freeing device list with 20 devices > DEBUG USB device list freed. good boy! > FALSE > libusb: error [init_device] device > 'USB\VID_2109&PID_2812&ASMEDIAUSBD_HUB\00000830' is no longer connected! > libusb: error [init_device] device 'USB\VID_1778&PID_0224\40000030' is no > longer connected! > libusb: info [cache_config_descriptors] could not access configuration > descriptor 0 (dummy) for 'USB\VID_2109&PID_2811\5&34472DFD&0&4': [31] A > device attached to the system is not functioning. > libusb: error [init_device] device > 'USB\VID_1058&PID_10B8\57583631413934354E345939' is no longer connected! > Looking for $10CE, $EB93: DEBUG Found 20 devices attached > DEBUG 1038:1310, bus: 7, address: 6 > DEBUG 1002:4399, bus: 10, address: 0 > DEBUG 1B21:1142, bus: 3, address: 0 > DEBUG 046D:C31C, bus: 7, address: 3 > DEBUG 1B21:1142, bus: 1, address: 0 > DEBUG 2109:0812, bus: 1, address: 1 > DEBUG 2109:2812, bus: 7, address: 2 > DEBUG 1002:4397, bus: 6, address: 0 > DEBUG 1002:4397, bus: 5, address: 0 > DEBUG 0A12:0001, bus: 5, address: 1 > DEBUG 2109:2811, bus: 7, address: 9 > DEBUG 1002:4397, bus: 9, address: 0 > DEBUG 0C45:7403, bus: 7, address: 4 > DEBUG 1002:4396, bus: 8, address: 0 > DEBUG 1002:4396, bus: 7, address: 0 > DEBUG 0E50:0002, bus: 7, address: 7 > DEBUG 1B21:1142, bus: 2, address: 0 > DEBUG 1002:4396, bus: 4, address: 0 > DEBUG 1A40:0101, bus: 7, address: 1 > DEBUG 2109:2812, bus: 7, address: 5 > DEBUG Index of device 4302:60307=-1 > DEBUG Freeing device list with 20 devices > DEBUG USB device list freed. good boy! > FALSE > Heap dump by heaptrc unit of K:\ProAuto\bugtest.exe > 685 memory blocks allocated : 33042/37272 > 685 memory blocks freed : 33042/37272 > 0 unfreed memory blocks : 0 > True heap size : 163840 (128 used in System startup) > True free heap : 163712 > > When I run it on any other computer I get: > I:\Programming\Gcode\bug>bugtest.exe > Looking for $10CE, $EB93: DEBUG Found 17 devices attached > DEBUG 8086:A36D, bus: 1, address: 0 > DEBUG 8087:0AAA, bus: 1, address: 8 > DEBUG 05E3:0612, bus: 1, address: 18 > DEBUG 0424:2734, bus: 1, address: 42 > DEBUG 1D50:6015, bus: 1, address: 14 > DEBUG 05E3:0743, bus: 1, address: 22 > DEBUG 1B1C:0C15, bus: 1, address: 9 > DEBUG 05E3:0610, bus: 1, address: 21 > DEBUG 05E3:0610, bus: 1, address: 6 > DEBUG 04E8:61F5, bus: 1, address: 1 > DEBUG 1B1C:0C10, bus: 1, address: 7 > DEBUG 0424:274C, bus: 1, address: 43 > DEBUG 1B1C:1B4F, bus: 1, address: 41 > DEBUG 1A40:0101, bus: 1, address: 2 > DEBUG 0C45:7403, bus: 1, address: 26 > DEBUG 0E50:0002, bus: 1, address: 60 > DEBUG 10C4:EA60, bus: 1, address: 4 > DEBUG Index of device 4302:60307=-1 > DEBUG Freeing device list with 17 devices > DEBUG USB device list freed. good boy! > FALSE > Looking for $10CE, $EB93: DEBUG Found 17 devices attached > DEBUG 8086:A36D, bus: 1, address: 0 > DEBUG 8087:0AAA, bus: 1, address: 8 > DEBUG 05E3:0612, bus: 1, address: 18 > DEBUG 0424:2734, bus: 1, address: 42 > DEBUG 1D50:6015, bus: 1, address: 14 > DEBUG 05E3:0743, bus: 1, address: 22 > DEBUG 1B1C:0C15, bus: 1, address: 9 > DEBUG 05E3:0610, bus: 1, address: 21 > DEBUG 05E3:0610, bus: 1, address: 6 > DEBUG 04E8:61F5, bus: 1, address: 1 > DEBUG 1B1C:0C10, bus: 1, address: 7 > DEBUG 0424:274C, bus: 1, address: 43 > DEBUG 1B1C:1B4F, bus: 1, address: 41 > DEBUG 1A40:0101, bus: 1, address: 2 > DEBUG 0C45:7403, bus: 1, address: 26 > DEBUG 0E50:0002, bus: 1, address: 60 > DEBUG 10C4:EA60, bus: 1, address: 4 > DEBUG Index of device 4302:60307=-1 > DEBUG Freeing device list with 17 devices > DEBUG USB device list freed. good boy! > FALSE > Looking for $10CE, $EB93: DEBUG Found 17 devices attached > DEBUG 8086:A36D, bus: 1, address: 0 > DEBUG 8087:0AAA, bus: 1, address: 8 > DEBUG 05E3:0612, bus: 1, address: 18 > DEBUG 0424:2734, bus: 1, address: 42 > DEBUG 1D50:6015, bus: 1, address: 14 > DEBUG 05E3:0743, bus: 1, address: 22 > DEBUG 1B1C:0C15, bus: 1, address: 9 > DEBUG 05E3:0610, bus: 1, address: 21 > DEBUG 05E3:0610, bus: 1, address: 6 > DEBUG 04E8:61F5, bus: 1, address: 1 > DEBUG 1B1C:0C10, bus: 1, address: 7 > DEBUG 0424:274C, bus: 1, address: 43 > DEBUG 1B1C:1B4F, bus: 1, address: 41 > DEBUG 1A40:0101, bus: 1, address: 2 > DEBUG 0C45:7403, bus: 1, address: 26 > DEBUG 0E50:0002, bus: 1, address: 60 > DEBUG 10C4:EA60, bus: 1, address: 4 > DEBUG Index of device 4302:60307=-1 > DEBUG Freeing device list with 17 devices > DEBUG USB device list freed. good boy! > FALSE > Heap dump by heaptrc unit of I:\Programming\Gcode\bug\bugtest.exe > 595 memory blocks allocated : 28731/32376 > 595 memory blocks freed : 28731/32376 > 0 unfreed memory blocks : 0 > True heap size : 163840 (160 used in System startup) > True free heap : 163680 > > James > _______________________________________________ > fpc-pascal maillist - fpc-pascal@lists.freepascal.org > https://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal >
_______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org https://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal