On 8/20/07, Calvin Wong <[EMAIL PROTECTED]> wrote: > The more I look at it, it might be an issue with linux threads. > I am assuming kernel 2.6 uses NPTL as oppose to linux threads. > The segmentation faults always happens whenever I tried to perform > a mutex lock on the ruby interpreter thread.
That seems reasonable. According the following article, LinuxThreads has many limitations when compared to NPTL, and it doesn't really follow the POSIX spec in terms of signal handling. http://www-128.ibm.com/developerworks/linux/library/l-threading.html > Just to be sure, can you display your library versions with the following > command: > > % /lib/libc.so.6 $ uname -pv #1 SMP Tue Jul 10 06:39:17 EDT 2007 x86_64 $ getconf GNU_LIBPTHREAD_VERSION NPTL 2.5 $ /lib/libc.so.6 GNU C Library stable release version 2.5, by Roland McGrath et al. Copyright (C) 2006 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Compiled by GNU CC version 4.1.1 20061011 (Red Hat 4.1.1-30). Compiled on a Linux 2.6.9 system on 2007-03-14. Available extensions: The C stubs add-on version 2.1.2. crypt add-on version 2.1 by Michael Glad and others GNU Libidn by Simon Josefsson GNU libio by Per Bothner NIS(YP)/NIS+ NSS modules 0.19 by Thorsten Kukuk Native POSIX Threads Library by Ulrich Drepper et al BIND-8.2.3-T5B RT using linux kernel aio Thread-local storage support included. For bug reporting instructions, please see: <http://www.gnu.org/software/libc/bugs.html>. ## my 32-bit machine $ uname -vm #2 SMP Thu Jun 7 20:19:32 UTC 2007 i686 $ getconf GNU_LIBPTHREAD_VERSION NPTL 2.5 $ /lib/libc.so.6 GNU C Library stable release version 2.5, by Roland McGrath et al. Copyright (C) 2006 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Compiled by GNU CC version 4.1.2 (Ubuntu 4.1.2-0ubuntu4). Compiled on a Linux >>2.6.15.7<< system on 2007-04-04. Available extensions: crypt add-on version 2.1 by Michael Glad and others GNU Libidn by Simon Josefsson GNU libio by Per Bothner NIS(YP)/NIS+ NSS modules 0.19 by Thorsten Kukuk Native POSIX Threads Library by Ulrich Drepper et al BIND-8.2.3-T5B Thread-local storage support included. For bug reporting instructions, please see: <http://www.gnu.org/software/libc/bugs.html>.
