Re: [Boost-users] [thread] Segfault in Boost

This sounds like the gcc vs. shared libs problem again. http://aspn.activestate.com/ASPN/Mail/Message/boost/2786704 - Mat --- David Abrahams wrote:

Jeff, it's always a good idea to put the name of the library in question in the subject line of your posts.

http://www.boost.org/more/discussion_policy.htm#effective

"Jeff Lounsberry" writes:

...

I'm getting a segfault in Boost when I go to use mutexes. I built the Boost unit test for threads with the following:

bjam "-sTOOLS=gcc" "-sBUILD debug <runtime-link>static <threading>multi"

*** errors detected in test suite "Boost.Threads: mutex test suite"; see standard output for details

[---]

*** errors detected in test suite "Boost.Threads: xtime test suite"; see standard output for details Segmentation fault

[---]

In Boost 1.33 there are errors with test_mutex_lib:

root@unstable:~/scratch/boost_1_33_0/bin/boost/libs/thread/test/test_mutex_lib.test/gcc/debug/runtime-link-static/threading-multi>

./test_mutex_lib

...

Running 6 test cases... unknown location(0): fatal error in "test_try_mutex": signal: memory access violation

*** errors detected in test suite "Boost.Threads: mutex test suite"; see standard output for details

[--] In Boost 1.33 there are no errors with test_xtime_lib:

root@unstable:~/scratch/boost_1_33_0/bin/boost/libs/thread/test/test_xtime_lib.test/gcc/debug/runtime-link-static/threading-multi>

...

Running 2 test cases...

*** No errors detected

Well then, i'm thoroughly confused. It seems the unit test Boost has are making calls to libthreaddb.so (NPTL).

Anyone have any ideas? I've reproduced this on 2 machines (opterons 246), 2 distros now. What really boggles me is

./test_xtime_lib that the one xtime test

...

works on 1.33 but the mutex test doesn't. Simple mutex calls work fine however. Are these specific problems with the test or something deeper? I've seen no discussion on the mailing list.

-- Dave Abrahams Boost Consulting www.boost-consulting.com

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