From: Alexey Verkhovsky <alex@...>
Date: 2004-07-30T06:52:27+09:00
Subject: Re: Problem building Ruby 1.8.2-rc with pthread on HPUX

On Sun, 2004-07-25 at 20:43, Alexey Verkhovsky wrote:
> I was trying to build Ruby 1.8.2 on HPUX today. Simple "./configure;
> make" works fine. However, when I try to make it with --enable-pthread,
> bootstrap Ruby (make calls it "miniruby") throws SIGBUS. 

I still have no luck with this story. By now this list is my last hope,
else I have to go back to Tcl :((( 

Some more details on the problem:

1. Ruby 1.8.1 behaves the same as 1.8.2-rc

2. Here is the stack trace at the time of SIGBUS:
> gdb miniruby core
HP gdb 3.1 for PA-RISC 1.1 or 2.0 (narrow), HP-UX 11.00.
..
Core was generated by `miniruby'.
Program terminated with signal 6, Aborted.

(gdb) where
#0  0xc020c718 in kill+0x10 () from /usr/lib/libc.2
#1  0xc01a6de4 in raise+0x24 () from /usr/lib/libc.2
#2  0xc01e7348 in abort_C+0x160 () from /usr/lib/libc.2
#3  0xc01e73a4 in abort+0x1c () from /usr/lib/libc.2
#4  0x5f4ec in rb_bug (fmt=0x149dc8 "Bus Error") at error.c:199
#5  0xd5180 in sigbus (sig=10) at signal.c:409
#6  <signal handler called>
#7  0x23080 in rb_eval (self=1074818488, n=0x40107328) at eval.c:2825
#8  0x21a00 in rb_eval (self=1761613200, n=0x2) at eval.c:2532
#9  0x2b464 in rb_yield_0 (val=6, self=1074818488, klass=0, flags=0,
avalue=0) at eval.c:4337
#10 0x2b720 in rb_f_loop () at eval.c:4394
#11 0x2e174 in call_cfunc (func=0x400064b2 <rb_f_loop>, recv=1074818488,
len=0, argc=0, argv=0x0) at eval.c:4935
#12 0x2efcc in rb_call0 (klass=1074091120, recv=1074818488, id=3937,
oid=3937, argc=0, argv=0x0, body=0x400533a0, nosuper=0)
    at eval.c:5066
#13 0x30134 in rb_call (klass=1074091120, recv=1074818488, mid=3937,
argc=0, argv=0x0, scope=1) at eval.c:5287
#14 0x24ce4 in rb_eval (self=1074818488, n=0x40107118) at eval.c:3091
#15 0x22e5c in rb_eval (self=Cannot access memory at address 0xffffd9dc
) at eval.c:2796
Cannot access memory at address 0xffffd9ec
(gdb)

3. Miniruby actually works (to some extent)
> miniruby -e "puts 'aaa'"
aaa

4. With a few debug prints added to the lib/shellwords.rb:
> make
Original input= ''--enable-shared' '--enable-pthread' 
Begin iteration. Line= ''--enable-shared' '--enable-pthread' 
Begin iteration. Line= ' '--enable-pthread'

Just before SIGBUS line= ''--enable-pthread'

{$HOME}/ruby-1.8.1/lib/shellwords.rb:53: [BUG] Bus Error
ruby 1.8.1 (2003-12-25) [hppa2.0w-hpux11.11]

sh: 5684 Abort(coredump)
*** Error exit code 134

The SIGBUS happens when executing break statement immediately after puts
"Just before SIGBUS"

I've searched through ruby-talk archives and tried adding -Aa and/or
-D_HPUX_SOURCES flags to CFLAGS. This doesn't help.

If I configure without --enable-pthread, everything builds and works
fine and dandy.

SOS

Best regards,
Alexey Verkhovsky