[daip] [!16403]: AIPS - Memory id failure problem in Mac when starting AIPS

[Cheng-Yu Kuo]

Cheng-Yu Kuo updated #16403
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Memory id failure problem in Mac when starting AIPS
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           Ticket ID: 16403
                 URL: https://help.nrao.edu/staff/index.php?/Tickets/Ticket/View/16403
                Name: Cheng-Yu Kuo
       Email address: cykuo at mail.nsysu.edu.tw
             Creator: User
          Department: AIPS Data Reduction
       Staff (Owner): -- Unassigned --
                Type: Issue
              Status: Open
            Priority: Default
                 SLA: NRAO E2E
      Template group: Default
             Created: 20 June 2020 07:25 AM
             Updated: 20 June 2020 07:25 AM
           Reply due: 24 June 2020 12:00 AM (3d 16h 35m)
      Resolution due: 17 March 2023 12:00 AM (999d 16h 35m)

       Dear Dr. Greissen :
    I just got a new 16" Macbook Pro and try to install the latest AIPS version in my mac. After completing the installation and starting up AIPS, I got the error message of "Shared memory id failure: Invalid argument". This error often occurred to me before whenever I forgot to create the /etc/sysctl.conf file and set the paramters including  kern.sysv.shmmax: 16777216. In the past, I can fix this problem by simply creating the sysctl.conf file, but now I cannot fix the problem any more for my new Mac. The content of the sysctl.conf include the following lines :
kern.sysv.shmmax: 16777216 (or 10485760; I try both values)
kern.sysv.shmmin: 1kern.sysv.shmmni: 32kern.sysv.shmseg: 8kern.sysv.shmall: 4096
     I do reboot the computer when I change values in sysctl.conf and I also try both values for shmmax. However, nothing works. Do I miss something in my AIPS installlation ?  Thanks !!!

regards
chengyu



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