Glad to hear yo have better luck with libusb 1.0.8. Concerning the errors you see, I don't know how severe they are. There are two layers between gr-fcd and libusb and I have knowledge only with the higher levels.
Alex On Sat, Apr 7, 2012 at 5:59 PM, Volker Schroer <dl1...@gmx.de> wrote: > Downgrading to libusb-1.0.8 solved the problem. I only see some messages > like > > libusb:error [libusb_cancel_transfer] cancel transfer failed error -5 > libusb:error [libusb_cancel_transfer] cancel transfer failed error -5 > libusb:error [libusb_cancel_transfer] cancel transfer failed error -5 > aUaUaUaUaUaUaUaUlibusb:error [libusb_cancel_transfer] cancel transfer failed > error -5 > aUaUaUaUlibusb:error [libusb_cancel_transfer] cancel transfer failed error > -5 > libusb:error [libusb_cancel_transfer] cancel transfer failed error -5 > libusb:error [libusb_cancel_transfer] cancel transfer failed error -5 > libusb:error [libusb_cancel_transfer] cancel transfer failed error -5 > > But no segfault anymore. > > Am 07.04.2012 17:38, schrieb Volker Schroer: >> >> Hi Alex, >> thank you for the quick response. >> >>> Hi Volker, >>> >>> Although using a slider to tune hardware pll is a bad idea, I don't >>> think the crash you see is because of that. It sounds more like an >>> issue some people have seen on debian with libusb 1.0.9-pre-something >>> >>> Which version of libusb do you have? Can you run the included examples >>> and qthid without crash? >> >> I'm using libusb-1.0.9_rc3. I get a similar problem using qthid. qthid >> crashes before showing up the gui. >> I think, libusb has a problem multiple open and closing the device. So I >> just changed the code of qthid to open the device only at the beginning and >> keep it open. Then qthid works. >>> >>> PS: The slider in your example isn't doing much as it has only one step >>> ;-) >> >> I know, but it was the easiest way to show the problem. >> >> Perhaps I should downgrade libusb. >> >> Volker >> >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
