Alan Barker comments

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                                            Alan Barker

Segmentation fault when flashing bitstream into sipeed FPGA

@trabucayre I also have the same problem on the Tang Nano 20K (Ubuntu 20.04 LTS running under a VMWare Workstation VM). Loading to SRAM works just fine. Selecting Flash however,...

Segmentation fault when flashing bitstream into sipeed FPGA

Hmm, some extra context that might help narrow down the issue: If I upload to SRAM first (successfully), then immediately change the destination to the Flash, openFPGALoader gives me a...

Segmentation fault when flashing bitstream into sipeed FPGA

your suspicions seem to be correct; it works when tested on my bare-metal Linux box. Whilst I have successfully loaded to the Flash without issue now, I can't say for...

Segmentation fault when flashing bitstream into sipeed FPGA

**tldr; I've solved my problem (and maybe 'the' problem): make sure the build instructions are followed to-the-letter.** ----- I think this is the UDEV rules. Remember my needing to use...