On Fri, Aug 26, 2011 at 05:42:10AM -0400, Eli Barzilay wrote: > Two days ago, James Vega wrote: > > > > Since I've generally had more luck using the cgc GC on less > > mainstream systems, I set the build to use that for PowerPC and let > > it be in case things changed and it started working. > > This is a bad idea. There are certain things that are practically > impossible with the CGC.
Given that warning, I started revisiting the failures I had seen with 3m. All the below is with 5.1.3. mips and ia64 both fail with unaligned access, although in different places. ia64's build failure ,-------------------------------------- |cd gc2; /usr/bin/make all |make[4]: Entering directory `/home/jamessan/racket-5.1.3+dfsg1/build/racket/gc2' |/usr/bin/make xsrc/precomp.h |make[5]: Entering directory `/home/jamessan/racket-5.1.3+dfsg1/build/racket/gc2' |env XFORM_PRECOMP=yes ../racketcgc -cqu /home/jamessan/racket-5.1.3+dfsg1/src/racket/gc2/xform.rkt --setup . --cpp "gcc -E -I./.. -I/home/jamessan/racket-5.1.3+dfsg1/src/racket/gc2/../include " --keep-lines -o xsrc/precomp.h /home/jamessan/racket-5.1.3+dfsg1/src/racket/gc2/precomp.c |GC Warning: GC_register_stackbottom should be set with GC_stackbottom |Removing old xform-collects tree... |Copying tree... |[snip copying] |Compiling xform support... |xform.rkt(2950): unaligned access to 0x600000000003708c, ip=0x400000000035a9e1 |make[5]: *** [xsrc/precomp.h] Illegal instruction (core dumped) |make[5]: Leaving directory `/home/jamessan/racket-5.1.3+dfsg1/build/racket/gc2' `-------------------------------------- and backtrace ,-------------------------------------- |(gdb) bt full |#0 0x400000000035ac31 in scheme_setjmpup_relative (b=0x0, base=0x47e0b4000000000, | start=0x47e0b0020000000, c=0x47e0ac020000000) | at /home/jamessan/racket-5.1.3+dfsg1/src/racket/src/setjmpup.c:553 | local = 1 | disguised_b = 0 `-------------------------------------- mips' build failure ,-------------------------------------- |make[3]: Leaving directory `/home/jamessan/racket-5.1.3+dfsg1/build' |env CFLAGS="-g -Wall -Wall " LDFLAGS="" racket/racket3m -X "/home/jamessan/racket-5.1.3+dfsg1/debian/tmp/usr/share/racket/collects" -N "raco setup" -l- setup -j 1 --no-docs --no-zo --no-user |raco setup: bootstrapping from source... |make[2]: *** [install-3m] Bus error (core dumped) `-------------------------------------- and backtrace ,-------------------------------------- |(gdb) bt |#0 0x0060675c in syncing_ready (s=0x2dbf3220, sinfo=0x7fe4efc0) | at /home/jamessan/racket-5.1.3+dfsg1/src/racket/gc2/../src/thread.c:5661 |#1 0x00601e34 in scheme_block_until (_f=0x606114 <syncing_ready>, | fdf=0x60697c <syncing_needs_wakeup>, data=0x2dbf3220, delay=0) | at /home/jamessan/racket-5.1.3+dfsg1/src/racket/gc2/../src/thread.c:4258 |#2 0x006079fc in do_sync (name=0x6aa2fc "sync", argc=1, argv=0x2d69efa8, with_break=0, | with_timeout=0, _tailok=1) | at /home/jamessan/racket-5.1.3+dfsg1/src/racket/gc2/../src/thread.c:5903 |#3 0x00607fe4 in sch_sync (argc=1, argv=0x2d69efa8) | at /home/jamessan/racket-5.1.3+dfsg1/src/racket/gc2/../src/thread.c:5996 |#4 0x00441944 in scheme_do_eval (obj=0x71bc78, num_rands=1, rands=0x2d69efa8, get_value=1) | at /home/jamessan/racket-5.1.3+dfsg1/src/racket/gc2/../src/eval.c:2407 |#5 0x00444a28 in scheme_do_eval (obj=0x2d6bb9b8, num_rands=5, rands=0x2d69ef9c, get_value=-1) | at /home/jamessan/racket-5.1.3+dfsg1/src/racket/gc2/../src/eval.c:3368 |#6 0x00465928 in apply_k () at /home/jamessan/racket-5.1.3+dfsg1/src/racket/gc2/../src/fun.c:1285 |#7 0x00465204 in scheme_top_level_do_worker (k=0x465870 <apply_k>, eb=1, new_thread=1, | dyn_state=0x0) at /home/jamessan/racket-5.1.3+dfsg1/src/racket/gc2/../src/fun.c:1126 |#8 0x00465b30 in scheme_apply_thread_thunk (rator=0x2d74af48) | at /home/jamessan/racket-5.1.3+dfsg1/src/racket/gc2/../src/fun.c:1325 |#9 0x005fd854 in start_child (child=0x2d689038, child_eval=0x2dbf32b0) | at /home/jamessan/racket-5.1.3+dfsg1/src/racket/gc2/../src/thread.c:2766 |#10 0x005fdc10 in make_subprocess (child_thunk=0x2dbf32b0, child_start=0x7fe4f99c, | config=0x2dbf3210, cells=0x2dbf31e8, break_cell=0x2b2587c0, mgr=0x0, normal_kill=1) | at /home/jamessan/racket-5.1.3+dfsg1/src/racket/gc2/../src/thread.c:2855 |#11 0x005fe800 in scheme_thread_w_details (thunk=0x4, config=0x2b2085b0, cells=0x7fe4f9e0, | break_cell=0x436a2c, mgr=0x0, suspend_to_kill=4) | at /home/jamessan/racket-5.1.3+dfsg1/src/racket/gc2/../src/thread.c:3073 |#12 0x2d5147b0 in ?? () |warning: GDB can't find the start of the function at 0x2d5147ae. `-------------------------------------- If there's more information I can provide, let me know. Thanks, -- James GPG Key: 1024D/61326D40 2003-09-02 James Vega <james...@debian.org>
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