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Re: test-lock is segfaulting on Ubuntu 13.10

From: Richard W.M. Jones
Subject: Re: test-lock is segfaulting on Ubuntu 13.10
Date: Mon, 14 Oct 2013 16:50:35 +0100
User-agent: Mutt/1.5.20 (2009-12-10)

On Mon, Oct 14, 2013 at 04:32:24PM +0100, Richard W.M. Jones wrote:
> This stack trace makes no sense, since the code at line 206 is:

Working on the assumption that gdb is just printing these
arguments backwards.

>   checkerthread = gl_thread_create (lock_checker_thread, NULL);
> (ie. the two arguments are reversed).  So I've got no idea what could
> be going on here.

It turns out that glthread_create [sic] returns 38 (== ENOSYS).

pthread_in_use () is *false*.  (Why??)

These are all the tests that contain 'pthread' in the output
of the configure script:

checking pthread.h usability... yes
checking pthread.h presence... yes
checking for pthread.h... yes
checking for pthread_kill in -lpthread... yes
checking for pthread_rwlock_t... yes
checking whether pthread_sigmask is declared without a macro... yes
checking for pthread_atfork... yes

I'm guessing this is a gnulib build system problem somewhere, although
I have no idea where to start.  This all works fine on Fedora and
older Ubuntu releases.


Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
libguestfs lets you edit virtual machines.  Supports shell scripting,
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