Hi, On Jan 8, 2014 9:47 PM, "Harry Weppner" <[email protected]> wrote: > > Hi, > > I brought an older dual G5 Powermac back to life and installed FreeBSD 10.0-RC4 on it with a GENERIC ppc64 kernel. When installing lang/ruby19 or lang/ruby20 miniruby segfaults in libthr. Tested with both the default gcc42 as well as with gcc49. > > Has anyone seen this issue before? T > > Thanks & cheerio, Harry. > > (gdb) bt > #0 handle_signal (actp=0xffffffffffbfa130, sig=11, info=0xffffffffffbfa690, ucp=0xffffffffffbfa1d0) > at /usr/src/lib/libthr/thread/thr_sig.c:188 > #1 0x00000000502f36ac in thr_sighandler (sig=11, info=0xffffffffffbfa690, _ucp=0xffffffffffbfa1d0) > at /usr/src/lib/libthr/thread/thr_sig.c:183 > #2 0xffffffffffffe188 in ?? () > > ┌──/usr/src/lib/libthr/thread/thr_sig.c─────────────────────────────────────────────────────────────────────────┐ > │184 } │ > │185 │ > │186 static void │ > │187 handle_signal(struct sigaction *actp, int sig, siginfo_t *info, ucontext_t *ucp) │ > >│188 { │ > │189 struct pthread *curthread = _get_curthread(); │ > > > The specific instruction is: > ┌───────────────────────────────────────────────────────────────────────────────────────────────────────────────┐ > >│0x502f32ac <handle_signal+64> stdu r1,-1392(r1) │ > │0x502f32b0 <handle_signal+68> ld r0,0(r9) │ > │0x502f32b4 <handle_signal+72> cmpdi cr7,r0,0 │ > > (gdb) x/x $r1-1392 > 0xffffffffffbf9b50: Cannot access memory at address 0xffffffffffbf9b50 > > >
This is a stack overflow problem. I filed a bug report in redmine regarding this. A simp!e workaround is to change the stack size from 3 pages to 4 in thread_pthread.c of ruby and continue building. See https://bugs.ruby-lang.org/issues/8783 -Justin _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-ruby To unsubscribe, send any mail to "[email protected]"
