FX2 LA (8ch) not acquiring in latest PulseView 64-bit Windows. PulseView 0.5.0-git-3d396c8 exhibits this problem. Log: sr: asix-omega-rtm-cli: Cannot execute RTM CLI process: Failed to execute helper program (Invalid argument) sr: ftdi-la: Failed to get the FTDI strings: -4 sr: usb: Failed to get libusb file descriptors. pv: Acquisition took 0.00 s (note, there was an FTDI lead also attached which is always present and should not be relevant to the issue.) I did a reinstall of the driver using zadig.exe which made no difference. If I close this new version of PulseView and run an earlier version (0.5.0-git-7e5c839) I can acquire normally. Both versions of PulseView are installed side-by-side and I run only one instance at a time.
I've just re-opened the new PulseView to check something else and it can't even see the FX2 LA. sr: asix-omega-rtm-cli: Cannot execute RTM CLI process: Failed to execute helper program (Invalid argument) sr: ftdi-la: Failed to get the FTDI strings: -4 fx2lafw: Failed to open potential device with VID:PID 1d50:608c: LIBUSB_ERROR_ACCESS.
Ignore Comment 1, above. I could not open the FX2 because it was still running in a previous instance (reporting another issue elsewhere). The bug report remains valid.
I am also affected by this bug.
Possible fix available at https://github.com/sigrokproject/libsigrok/pull/235