firefox and eclipse crash with SEGV in g_static_rw_lock_reader_lock

[Mark Luffel]

Binary package hint: libc6

Full run of firefox here: http://notlime.com/2008/gdb-firefox.txt
Eclipse JVM crash here: http://notlime.com/2008/hs_err_pid25694.log

Running on Ubuntu 7.10 on AMD64 (quadcore)

mark@mark-desktop:~$ sudo apt-cache policy libc6
libc6:
  Installed: 2.8~20080505-0ubuntu7
  Candidate: 2.8~20080505-0ubuntu7
  Version table:
 *** 2.8~20080505-0ubuntu7 0
        500 http://us.archive.ubuntu.com intrepid/main Packages
        100 /var/lib/dpkg/status

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f8569a406f0 (LWP 28779)]
0x00007f856479aa12 in g_static_rw_lock_reader_lock () from /usr/lib/libglib-2.0.so.0
(gdb) bt full
#0 0x00007f856479aa12 in g_static_rw_lock_reader_lock () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#1 0x00007f8564c27a4a in g_type_check_instance_is_a () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.

There's no particular user action that causes these crashes.