[cmucl-help] Segmentation fault when trying to use the max heap

[Chisheng Huang]

... snipped ...
>     Chisheng> 58100000-58102000 rwxp 01cab000 08:01 1416903    /usr/local/cmucl-2016-02/lib/cmucl/lib/lisp-sse2.core
>     Chisheng> 58102000-b5d00000 rwxp 00000000 00:00 0 
>
> Ok. The max memory (in x86-validate-linux.h) expects to be able to
> allocate memory up to 0xbe000000...
>
>     Chisheng> b7b82000-b7fea000 rw-p 00000000 00:00 0 
>     Chisheng> b7ffe000-b8000000 rw-p 00000000 00:00 0 
>     Chisheng> bffdf000-c0000000 rw-p 00000000 00:00 0          [stack]
>
> but this map shows that you have something at 0xb7b82000.  This
> probably explains why you can't allocate the full 1631 MB that
> x86-validate-linux.h thinks are available.  For portability I'll have
> to reduce that limit so that the top of the heap is below 0xb7b82000
> or so for a max of 1530 MB or so.
>
> Can you verify that -dynamic-space-size 1530 works?

Yes, a dynamic space size of 1530 works on my computer.  Thank you very
much for maintaing CMUCL.

Best wishes,

-cph