My guess is that something is going wrong with the GC's write barrier. In "src/racket/gc2/newgc.c" around line 2677, if you change 1 to 0 in
newgc->generations_available = 1; does the build make further progress? At Fri, 24 Feb 2012 21:44:34 -0500, James McCoy wrote: > On Fri, Feb 24, 2012 at 10:15:40PM -0400, David Bremner wrote: > > > > Hi, it's the debian guys again and their wacky architectures. > > > > The build on the s390x (64 bit version) seems to hang at the following > > place > > (The s390 build works fine) > > > /usr/bin/make ../gracket3m > > make[6]: Entering directory > `/home/bremner/racket-5.2.1+dfsg1/build/gracket/gc2' > > ../../racket/racket3m -cqu > /home/bremner/racket-5.2.1+dfsg1/src/gracket/gc2/../../racket/gc2/xform.rkt > --setup ../../racket/gc2 --cpp "gcc -E > -I/home/bremner/racket-5.2.1+dfsg1/src/gracket/gc2/../../racket/gc2 > -I./../../racket/ > -I/home/bremner/racket-5.2.1+dfsg1/src/gracket/gc2/../../racket/include/ > -Dwx_xt -MMD" --keep-lines -o xsrc/grmain.c +D > INITIAL_COLLECTS_DIRECTORY='"'"`cd > /home/bremner/racket-5.2.1+dfsg1/src/gracket/gc2/../../../collects; pwd`"'"' > /home/bremner/racket-5.2.1+dfsg1/src/gracket/gc2/../grmain.c > > It's getting stuck in the following loop in src/racket/gc2/newgc.c:repair_heap > > 3988 switch(page->page_type) { > 3989 case PAGE_TAGGED: > 3990 while(start < end) { > 3991 objhead *info = (objhead *)start; > 3992 > 3993 if(info->mark) { > 3994 void *obj_start = OBJHEAD_TO_OBJPTR(start); > 3995 unsigned short tag = *(unsigned short *)obj_start; > 3996 ASSERT_TAG(tag); > 3997 info->mark = 0; > 3998 fixup_table[tag](obj_start, gc); > 3999 } else { > 4000 info->dead = 1; > 4001 #ifdef KILLING_DEBUG > 4002 killing_debug(gc, page, info); > 4003 #endif > 4004 } > 4005 start += info->size; > 4006 } > > because info->size is 0. This is while processing the first page from > gc->gen1_pages. > > -- > James > GPG Key: 4096R/331BA3DB 2011-12-05 James McCoy <james...@debian.org> > > ------------------------------------------------------------------------------ > [application/pgp-signature "signature.asc"] [~/Desktop & open] [~/Temp & open] > _________________________ > Racket Developers list: > http://lists.racket-lang.org/dev _________________________ Racket Developers list: http://lists.racket-lang.org/dev