OK .. i think Amalia has a point and i may be in error - its possible that this issue is related only to 12.04 as i cant find a version of cool vl that will not crash under this condition in 12.04. so it must have been 11.10 that i last used export successfully - anyhow, I did however re run in gdk and quit as Henrie suggested the result is below
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(cool_vl_viewer-bin:17232): GLib-CRITICAL **: PCRE library is compiled without UTF8 support
[Thread 0x9c446b40 (LWP 17259) exited]
[Thread 0x9cc47b40 (LWP 17258) exited]
^C
Program received signal SIGINT, Interrupt.
0xb7fdd424 in __kernel_vsyscall ()
(gdb) bt
#0 0xb7fdd424 in __kernel_vsyscall ()
#1 0xb6b6196b in pthread_cond_wait@@GLIBC_2.3.2 ()
from /lib/i386-linux-gnu/libpthread.so.0
#2 0xb78467a6 in g_cond_wait () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3 0xb782a85c in g_once_init_enter ()
from /lib/i386-linux-gnu/libglib-2.0.so.0
#4 0xb7818b06 in g_regex_new () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5 0xb7819460 in g_regex_match_simple ()
from /lib/i386-linux-gnu/libglib-2.0.so.0
#6 0xae8e390d in ?? ()
from /usr/lib/i386-linux-gnu/gtk-2.0/2.10.0/immodules/im-ibus.so
#7 0xb78e5bff in g_type_class_ref ()
from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#8 0xb78cd2de in g_object_newv ()
from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#9 0xb78cd7c8 in g_object_new ()
from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#10 0xae8e45db in ibus_im_context_new ()
from /usr/lib/i386-linux-gnu/gtk-2.0/2.10.0/immodules/im-ibus.so
#11 0xae8e20d2 in im_module_create ()
from /usr/lib/i386-linux-gnu/gtk-2.0/2.10.0/immodules/im-ibus.so
---Type <return> to continue, or q <return> to quit---
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more interestingly having searched 'GLib-CRITICAL **: PCRE library is compiled without UTF8 support' i found a few posts and it seems the issue is not viewer specific nor export specific but rather different viewers running under 12.04 under a variety of conditions. So i believe this will become more widespread as more people adopt '12.xx Precise'
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here is the jira:
https://jira.secondlife.com/browse/VWR-28846?
at the end of the jira it shows that firestorm had problems similar whilst saving textures and incorporated a fix and also posted the fix here:
http://hg.phoenixviewer.com/phoenix-fir ... 7d29c0323e