Hi, On Sat, Apr 27, 2019 at 09:55:34PM +0000, Marek Sliwa wrote: > Hi Marcus, > > Yes that is what I'm thinking. > > Larger question is why libusb in a UWP process or any process on Windows 10 > IoT Core edition is unable to access devices.
I do not know anything about this kind of Windows stuff :/ Perhaps someone else can help? Ciao, Marcus > -----Original Message----- > From: Marcus Meissner <mar...@jet.franken.de> > Sent: April 27, 2019 6:34 AM > To: Marek Sliwa <mareksl...@live.com> > Cc: gphoto-devel@lists.sourceforge.net > Subject: Re: [gphoto-devel] gphoto2/libgphoto2 on Windows IoT Core (or > Desktop UWP app) Error : 'Out of memory' (-3) > > On Sat, Apr 27, 2019 at 03:43:36AM +0000, Marek Sliwa wrote: > > Running gphoto2 mingw 64 bit binaries on Windows IoT Core and it is unable > > to detect or load the usb library. Reproduce using : gphoto2.exe --debug > > --debug-logfile=my-logfile.txt --auto-detect --summary > > > > The same binaries on desktop Windows 10 work just fine. However on Windows > > 10 desktop this exact same error occurs when using libgphoto2 library > > directly from a UWP app. Faults at the same point with same output trying > > to load the usb1 iolib. > > > > Seems like it is unable to access or enumerate usb devices and the error > > itself is misleading? > > > > This occurs with or without winusb driver installed for the Nikon camera > > and weather it is connected or not. Seems like a general failure. Any ideas? > > > > Libusb is the cause or the error: > > gp_port_library_list > > libusb1.c:216<https://nam03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fmsys2%2FMINGW-packages%2Fissues%2F0&data=02%7C01%7C%7C44d1cc525fa64f6c5d2f08d6cb1540b9%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636919689467077350&sdata=0ea%2F1ztkA2K5T8qNl39wJRP8vqlIk2sMZIV4XLWcMyI%3D&reserved=0>: > > Out of memory: 'descs = calloc (nrofdevs, sizeof(descs[0]))' failed. > > I guess nrofdevs is 0, and we erronously consider the NULL return as a bug. > > So the libusb you use here sees no USB devices, and this needs to be fixed. > > Ciao, Marcus > > > _______________________________________________ > Gphoto-devel mailing list > Gphoto-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/gphoto-devel > -- Marcus Meissner,SUSE LINUX GmbH; Maxfeldstrasse 5; D-90409 Nuernberg; Zi. 3.1-33,+49-911-740 53-432,,serv=loki,mail=wotan,type=real <meiss...@suse.de> _______________________________________________ Gphoto-devel mailing list Gphoto-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gphoto-devel
