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Subject: [Bug 203661] [devel/gdb] regression in gdb-7.10: system(3) conflicts
 with -pthread compile option
Date: Fri, 09 Oct 2015 17:57:29 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203661

            Bug ID: 203661
           Summary: [devel/gdb] regression in gdb-7.10: system(3)
                    conflicts with -pthread compile option
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: freebsd-ports-bugs@FreeBSD.org
          Reporter: yuri@rawbw.com
                CC: luca.pizzamiglio@gmail.com
             Flags: maintainer-feedback?(luca.pizzamiglio@gmail.com)
                CC: luca.pizzamiglio@gmail.com

Created attachment 161857
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=161857&action=edit
test case

I am attaching the test case. To reproduce the problem, please do this:

Compile:
> cc -pthread -o test-system test-system.c

Run:
> gdb ./test-system
> (gdb) r
> Starting program: ./test-system 
> [New process 62745]
> [New Thread 801406400 (LWP 100922)]
> 0x0000000800b00a2d in vfork () from /lib/libc.so.7
> fbsd_thread_resume: no thread to satisfy query
> (gdb)

The error messages are the problem. This only happens with gdb-7.10 and not
with gdb-7.9.1. Problem disappears without -pthread option.

FreeBSD xxx.xxx.com 10.2-STABLE FreeBSD 10.2-STABLE #0 r288058M: Mon Sep 21
03:10:37 PDT 2015     xxx@xxx.com:/usr/obj/usr/src/sys/GENERIC  amd64

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