Hi Justin, thanks for pointing me to the issue you had reported - this patch fixed ruby19.
Thanks & cheerio, Harry. On Jan 8, 2014, at 10:49 PM, Justin Hibbits <[email protected]> wrote: > 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 >
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