[racket-dev] SGC as default

From: Asumu Takikawa (asumu at ccs.neu.edu)
Date: Tue Aug 12 02:00:04 EDT 2014

On 2014-08-12 06:06:51 +0100, Matthew Flatt wrote:
> What platform are you using?
> I imagine that running `./racketcgc` within the "racket" subdirectory
> of your build directory will similarly crash. Can you get any
> information from running `gdb racketcgc`?

This is on Linux. Running the built executable immediately produces a segfault.

Here's a backtrace from gdb:
  (gdb) bt
  #0  0x00000000005e78db in free_managed (s=s at entry=0x0) at ../../../racket/sgc/sgc.c:1535
  #1  0x00000000005e7f63 in GC_add_roots (start=start at entry=0x881b70 <collects_path>, end=end at entry=0x881b79 <run_cmd+1>) at ../../../racket/sgc/sgc.c:1657
  #2  0x0000000000576f9a in scheme_register_static (ptr=ptr at entry=0x881b70 <collects_path>, size=size at entry=8) at ../../../racket/src/salloc.c:720
  #3  0x000000000045b87f in scheme_set_collects_path (p=p at entry=0x7ffff7f701a0) at ../../../racket/src/file.c:6841
  #4  0x0000000000436673 in run_from_cmd_line (mk_basic_env=<optimized out>, cont_run=0x435a10 <cont_run>, _argv=<optimized out>, argc=0) at ../../racket/cmdline.inc:1444
  #5  main_after_stack (data=data at entry=0x7fffffffdc30) at ../../racket/main.c:450
  #6  0x000000000057694d in do_main_stack_setup (data=0x7fffffffdc30, _main=0x435a80 <main_after_stack>, no_auto_statics=1) at ../../../racket/src/salloc.c:198
  #7  scheme_main_stack_setup (no_auto_statics=no_auto_statics at entry=1, _main=_main at entry=0x435a80 <main_after_stack>, data=data at entry=0x7fffffffdc30)
      at ../../../racket/src/salloc.c:310
  #8  0x00000000004346ee in main_after_dlls (argv=<optimized out>, argc=<optimized out>) at ../../racket/main.c:381
  #9  main (argc=<optimized out>, argv=<optimized out>) at ../../racket/main.c:341


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