I use FT8 on my Mac OS, but have been using the Flex Radio SmartSDR program, rather than WSJT-X. I started up WSJT-X today and got the same error that you do. The posts i see about “Shared Memory Error” all point to doing the shared memory adjustment in the readme file, but I haven’t experimented with it myself. It sounds like you are on the right track, though.

73,
Jim AD4J

On Nov 14, 2021, at 3:48 PM, [email protected] wrote:

I am a Mac devotee, but run FT8 either on a Windows PC or under Parallels/Windows on the Mac.  Sorry I cannot share any experiences running FT8 natively on a Mac.

Rusty - W3US

On Nov 14, 2021, at 14:10, David Melton <[email protected]> wrote:

Anyone running FT8 on a Mac?   I cannot get ver 2.5.2 to load.   Keep getting a "Shared Memory Error".   I have gone through the setup 4 times and do not get the shmmax number that is required.   Anyone have any help.   I have emailed G4KLA

Thanks,
Dave W4WNG

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