seamonkey 2.12 core dumps with gstreamer enabled on any(?) html5-video

[Marat N.Afanasyev]

Hello!

just tried to use 2.12 and encountered a core dump on html5 video with 
gstreamer.

warning: core file may not match specified executable file.
Core was generated by `seamonkey'.
Program terminated with signal 11, Segmentation fault.

(gdb) bt
#0  0x0000000800bf8ffc in thr_kill () from /lib/libc.so.7
#1  0x0000000801f7ffd2 in XRE_InitChildProcess () from 
/usr/local/lib/seamonkey/libxul.so
#2  <signal handler called>
#3  0x00000008032c1c34 in 
mozilla::layers::SharedTextureImage::GetAsSurface () from 
/usr/local/lib/seamonkey/libxul.so
#4  0x00000008032c2011 in mozilla::layers::PlanarYCbCrImage::CopyData () 
from /usr/local/lib/seamonkey/libxul.so
#5  0x00000008027e2e90 in 
mozilla::dom::indexedDB::IndexedDBDatabaseParent::HandleEvent () from 
/usr/local/lib/seamonkey/libxul.so
#6  0x00000008027f67cc in std::_Rb_tree<ogg_packet*, 
std::pair<ogg_packet* const, long>, 
std::_Select1st<std::pair<ogg_packet* const, long> >, 
std::less<ogg_packet*>, std::allocator<std::pair<ogg_packet* const, 
long> > >::_M_insert_unique () from /usr/local/lib/seamonkey/libxul.so
#7  0x00000008027e2496 in 
mozilla::dom::indexedDB::IndexedDBDatabaseParent::HandleEvent () from 
/usr/local/lib/seamonkey/libxul.so
#8  0x00000008027e2a0e in 
mozilla::dom::indexedDB::IndexedDBDatabaseParent::HandleEvent () from 
/usr/local/lib/seamonkey/libxul.so
#9  0x00000008027e2b49 in 
mozilla::dom::indexedDB::IndexedDBDatabaseParent::HandleEvent () from 
/usr/local/lib/seamonkey/libxul.so
#10 0x00000008027dc388 in 
mozilla::dom::indexedDB::IndexedDBDatabaseParent::HandleEvent () from 
/usr/local/lib/seamonkey/libxul.so
#11 0x00000008027de145 in 
mozilla::dom::indexedDB::IndexedDBDatabaseParent::HandleEvent () from 
/usr/local/lib/seamonkey/libxul.so
#12 0x00000008027e2467 in 
mozilla::dom::indexedDB::IndexedDBDatabaseParent::HandleEvent () from 
/usr/local/lib/seamonkey/libxul.so
#13 0x00000008027dc0ff in 
mozilla::dom::indexedDB::IndexedDBDatabaseParent::HandleEvent () from 
/usr/local/lib/seamonkey/libxul.so
#14 0x00000008031c1b85 in XRE_AddStaticComponent () from 
/usr/local/lib/seamonkey/libxul.so
#15 0x000000080318376a in 
mozilla::hal_impl::GetCurrentNetworkInformation () from 
/usr/local/lib/seamonkey/libxul.so
#16 0x00000008031c1f7d in XRE_AddStaticComponent () from 
/usr/local/lib/seamonkey/libxul.so
#17 0x000000080592073a in PR_CreateThread () from 
/usr/local/lib/libplc4.so.1
#18 0x0000000800a935d1 in pthread_getprio () from /lib/libthr.so.3
#19 0x0000000000000000 in ?? ()
Cannot access memory at address 0x7ffffb3db000

and this happens on each and every page containing html5 video, e.g. 
http://www.quirksmode.org/html5/tests/video.html . I'll try to rebuild 
without gstreamer asap and post the results

-- 
SY, Marat