Hello,

on gnome only, ooo freezes when:
- i try to access to the printer capabilities
- i paste some text data (not all the time)
- i try to save a microsoft word document
- i try to open some powerpoint presentations

if i set OOO_FORCE_DESKTOP=kde
i've no more problem.

i precise i use gnome-2.20

$> unset OOO_FORCE_DESKTOP
$> ooffice -calc
GTK Accessibility Module initialized
*** glibc detected *** /usr/lib/openoffice/program/soffice.bin: double free or 
corruption (out): 0x0822f740 ***
======= Backtrace: =========
/lib/tls/libc.so.6[0xb6d17d62]
/lib/tls/libc.so.6(__libc_free+0x87)[0xb6d193d7]
/usr/X11R6/lib/libglib-2.0.so.0(g_free+0x31)[0xb53fe3e1]
/usr/lib/openoffice/program/libvclplug_gtk680li.so[0xb593a3d2]
/usr/lib/openoffice/program/
libvcl680li.so(_ZN11SalGraphics22GetNativeControlRegionEmmRK6RegionmRK16ImplControlValueR16SalControlHandleRKN3rtl8OUStringERS0_SC_PK12OutputDevice+0x10f)[0xb7e1ef45]
/usr/lib/openoffice/program/
libvcl680li.so(_ZN6Window22GetNativeControlRegionEmmRK6RegionmRK16ImplControlValueN3rtl8OUStringERS0_S8_+0xd0)[0xb7ed59c4]
/usr/lib/openoffice/program/
libvcl680li.so(_ZN7ListBox6ResizeEv+0x1b8)[0xb7f0efa6]
/usr/lib/openoffice/program/libvcl680li.so[0xb7ebbf3a]
/usr/lib/openoffice/program/libvcl680li.so(_ZN6Window4ShowEht+0x394)[0xb7ec79f0]
/usr/lib/openoffice/program/
libvcl680li.so(_ZN7ListBoxC1EP6WindowRK5ResId+0xbf)[0xb7f0dd99]
/usr/lib/openoffice/program/
libsvt680li.so(_ZN18PrinterSetupDialogC1EP6Window+0x131)[0xb79ad0a3]
/usr/lib/openoffice/program/libsfx680li.so[0xb17a9b1e]
/usr/lib/openoffice/program/libsfx680li.so[0xb17947e4]
/usr/lib/openoffice/program/libsfx680li.so[0xb17d3a89]
/usr/lib/openoffice/program/libsfx680li.so[0xb17d3dbe]
/usr/lib/openoffice/program/libsfx680li.so[0xb17d3e5e]
/usr/lib/openoffice/program/libsfx680li.so[0xb17fa0bf]
/usr/lib/openoffice/program/libsfx680li.so[0xb17fa07c]
/usr/lib/openoffice/program/libvcl680li.so[0xb7ed1819]
/usr/lib/openoffice/program/
libvclplug_gen680li.so(_ZN10SalDisplay21DispatchInternalEventEv+0xb6)[0xb538ef56]
/usr/lib/openoffice/program/libvclplug_gtk680li.so[0xb5926b13]
/usr/lib/openoffice/program/libvclplug_gtk680li.so[0xb5926b3d]
/usr/X11R6/lib/libglib-2.0.so.0[0xb53f4f81]
/usr/X11R6/lib/libglib-2.0.so.0(g_main_context_dispatch+0x18f)[0xb53f6b9f]
/usr/X11R6/lib/libglib-2.0.so.0[0xb53f9fff]
/usr/X11R6/lib/libglib-2.0.so.0(g_main_context_iteration+0x77)[0xb53fa5b7]
/usr/lib/openoffice/program/libvclplug_gtk680li.so[0xb5925f86]
/usr/lib/openoffice/program/
libvclplug_gen680li.so(_ZN14X11SalInstance5YieldEbb+0x2c)[0xb5396506]
/usr/lib/openoffice/program/
libvcl680li.so(_ZN11Application5YieldEb+0x5f)[0xb7d083b3]
/usr/lib/openoffice/program/
libvcl680li.so(_ZN11Application7ExecuteEv+0x2f)[0xb7d08405]
/usr/lib/openoffice/program/
soffice.bin(_ZN7desktop7Desktop4MainEv+0x2124)[0x806c3d2]
/usr/lib/openoffice/program/libvcl680li.so[0xb7d0dd68]
/usr/lib/openoffice/program/libvcl680li.so(_Z6SVMainv+0x29)[0xb7d0def3]
/usr/lib/openoffice/program/soffice.bin(main+0xe2)[0x805e9c6]
/lib/tls/libc.so.6(__libc_start_main+0xdc)[0xb6cca81c]
/usr/lib/openoffice/program/
soffice.bin(_ZN6Window11RequestHelpERK9HelpEvent+0x31)[0x805e851]
======= Memory map: ========
08048000-08086000 r-xp 00000000 08:41 11567508   /usr/lib/openoffice/program/
soffice.bin
08086000-0808f000 rw-p 0003d000 08:41 11567508   /usr/lib/openoffice/program/
soffice.bin
0808f000-082b1000 rw-p 0808f000 00:00 0          [heap]
acd00000-acd21000 rw-p acd00000 00:00 0 
acd21000-ace00000 ---p acd21000 00:00 0 
aceb5000-acf95000 rw-p aceb5000 00:00 0 
acf95000-acf9c000 r-xp 00000000 08:41 11568147   /usr/lib/openoffice/program/
libmcnttype.so.1.1
acf9c000-acf9e000 rw-p 00006000 08:41 11568147   /usr/lib/openoffice/program/
libmcnttype.so.1.1
acf9e000-acfc8000 r-xp 00000000 08:41 11568344   /usr/lib/openoffice/program/
libldap50.so
acfc8000-acfc9000 rw-p 0002a000 08:41 11568344   /usr/lib/openoffice/program/
libldap50.so
acfc9000-acfca000 rw-p acfc9000 00:00 0 
acfca000-acfe0000 r-xp 00000000 08:41 11568036   /usr/lib/openoffice/program/
ldapbe2.uno.so.1.1
acfe0000-acfe3000 rw-p 00016000 08:41 11568036   /usr/lib/openoffice/program/
ldapbe2.uno.so.1.1
acfe3000-ad101000 r--p 00000000 08:41 8487068    /usr/lib/openoffice/help/fr/
scalc.ht
ad101000-ad144000 rw-p ad101000 00:00 0 
ad144000-ad258000 r--p 00000000 08:41 8487067    /usr/lib/openoffice/help/fr/
scalc.db
ad258000-ad29b000 rw-p ad258000 00:00 0 
ad29b000-ad2b2000 r-xp 00000000 08:41 11568278   /usr/lib/openoffice/program/
soffice: line 251: 19483 Processus arrêté      "$sd_prog/$sd_binary" "$@"

aditional informations:
Linux argon.mobidyc.net 2.6.22-gentoo-r5-g1cb51f48-dirty #1 Fri Sep 28 13:35:28 
CEST 2007 i686 AMD Athlon(tm) XP 2800+ AuthenticAMD GNU/Linux
gtk+-2.12.0
glib-2.14.1
glibc-2.5

thanks to indicate if you want further informations or test.

Regards,
Mobidyc