I noticed both my totem and flash player hang on full screen.

A recent patch seems to have corrected the full screen video player.

However I thought a full backtrace might help to narrow down the
problem, assuming they have the same cause. (Logical fallacy?)

GNU gdb (GDB) 7.1-ubuntu
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
(gdb) handle SIG33 pass nostop noprint
Signal        Stop      Print   Pass to program Description
SIG33         No        No      Yes             Real-time event 33
(gdb) set pagination 0
(gdb) backterrace full
No stack.
(gdb) continue
The program is not being run.
(gdb) attach !ls
Undefined command: "".  Try "help".
(gdb) ^Za
Undefined command: "".  Try "help".
(gdb) aattattach 30329192988
Attaching to process 2988
Reading symbols from /opt/google/chrome/chrome...(no debugging symbols 
found)...done.
Reading symbols from /usr/lib/libX11.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libX11.so.6
Reading symbols from /lib/libdl.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /usr/lib/libXrender.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXrender.so.1
Reading symbols from /usr/lib/libXss.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXss.so.1
Reading symbols from /usr/lib/libXext.so.6...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXext.so.6
Reading symbols from /lib/librt.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/librt.so.1
Reading symbols from /usr/lib/libgtk-x11-2.0.so.0...Reading symbols from 
/usr/lib/debug/usr/lib/libgtk-x11-2.0.so.0.2000.1...done.
done.
Loaded symbols for /usr/lib/libgtk-x11-2.0.so.0
Reading symbols from /usr/lib/libgdk-x11-2.0.so.0...Reading symbols from 
/usr/lib/debug/usr/lib/libgdk-x11-2.0.so.0.2000.1...done.
done.
Loaded symbols for /usr/lib/libgdk-x11-2.0.so.0
Reading symbols from /usr/lib/libgdk_pixbuf-2.0.so.0...Reading symbols from 
/usr/lib/debug/usr/lib/libgdk_pixbuf-2.0.so.0.2000.1...done.
done.
Loaded symbols for /usr/lib/libgdk_pixbuf-2.0.so.0
Reading symbols from /usr/lib/libpangocairo-1.0.so.0...Reading symbols from 
/usr/lib/debug/usr/lib/libpangocairo-1.0.so.0.2800.0...done.
done.
Loaded symbols for /usr/lib/libpangocairo-1.0.so.0
Reading symbols from /usr/lib/libpango-1.0.so.0...Reading symbols from 
/usr/lib/debug/usr/lib/libpango-1.0.so.0.2800.0...done.
done.
Loaded symbols for /usr/lib/libpango-1.0.so.0
Reading symbols from /usr/lib/libcairo.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libcairo.so.2
Reading symbols from /usr/lib/libgobject-2.0.so.0...Reading symbols from 
/usr/lib/debug/usr/lib/libgobject-2.0.so.0.2400.1...done.
done.
Loaded symbols for /usr/lib/libgobject-2.0.so.0
Reading symbols from /usr/lib/libgthread-2.0.so.0...Reading symbols from 
/usr/lib/debug/usr/lib/libgthread-2.0.so.0.2400.1...done.
done.
Loaded symbols for /usr/lib/libgthread-2.0.so.0
Reading symbols from /lib/libglib-2.0.so.0...Reading symbols from 
/usr/lib/debug/lib/libglib-2.0.so.0.2400.1...done.
done.
Loaded symbols for /lib/libglib-2.0.so.0
Reading symbols from /usr/lib/libnss3.so.1d...Reading symbols from 
/usr/lib/debug/usr/lib/libnss3.so...done.
done.
Loaded symbols for /usr/lib/libnss3.so.1d
Reading symbols from /usr/lib/libnssutil3.so.1d...Reading symbols from 
/usr/lib/debug/usr/lib/libnssutil3.so...done.
done.
Loaded symbols for /usr/lib/libnssutil3.so.1d
Reading symbols from /usr/lib/libsmime3.so.1d...Reading symbols from 
/usr/lib/debug/usr/lib/libsmime3.so...done.
done.
Loaded symbols for /usr/lib/libsmime3.so.1d
Reading symbols from /usr/lib/libplds4.so.0d...Reading symbols from 
/usr/lib/debug/usr/lib/libplds4.so...done.
done.
Loaded symbols for /usr/lib/libplds4.so.0d
Reading symbols from /usr/lib/libplc4.so.0d...Reading symbols from 
/usr/lib/debug/usr/lib/libplc4.so...done.
done.
Loaded symbols for /usr/lib/libplc4.so.0d
Reading symbols from /usr/lib/libnspr4.so.0d...Reading symbols from 
/usr/lib/debug/usr/lib/libnspr4.so...done.
done.
Loaded symbols for /usr/lib/libnspr4.so.0d
Reading symbols from /lib/libpthread.so.0...(no debugging symbols found)...done.
[Thread debugging using libthread_db enabled]
[New Thread 0x7f30b9185700 (LWP 2989)]
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /lib/libz.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libz.so.1
Reading symbols from /usr/lib/libfontconfig.so.1...Reading symbols from 
/usr/lib/debug/usr/lib/libfontconfig.so.1.4.4...done.
done.
Loaded symbols for /usr/lib/libfontconfig.so.1
Reading symbols from /usr/lib/libfreetype.so.6...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libfreetype.so.6
Reading symbols from /usr/lib/libjpeg.so.62...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libjpeg.so.62
Reading symbols from /lib/libpng12.so.0...(no debugging symbols found)...done.
Loaded symbols for /lib/libpng12.so.0
Reading symbols from /usr/lib/libgconf-2.so.4...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libgconf-2.so.4
Reading symbols from /lib/libresolv.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libresolv.so.2
Reading symbols from /lib/libbz2.so.1.0...(no debugging symbols found)...done.
Loaded symbols for /lib/libbz2.so.1.0
Reading symbols from /usr/lib/libasound.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libasound.so.2
Reading symbols from /lib/libexpat.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libexpat.so.1
Reading symbols from /usr/lib/libdbus-glib-1.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libdbus-glib-1.so.2
Reading symbols from /lib/libdbus-1.so.3...(no debugging symbols found)...done.
Loaded symbols for /lib/libdbus-1.so.3
Reading symbols from /usr/lib/libcups.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libcups.so.2
Reading symbols from /lib/libgcrypt.so.11...(no debugging symbols found)...done.
Loaded symbols for /lib/libgcrypt.so.11
Reading symbols from /usr/lib/libstdc++.so.6...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libstdc++.so.6
Reading symbols from /lib/libm.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /lib/libgcc_s.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libgcc_s.so.1
Reading symbols from /lib/libc.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /usr/lib/libxcb.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libxcb.so.1
Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Reading symbols from /usr/lib/libXinerama.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXinerama.so.1
Reading symbols from /usr/lib/libXi.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXi.so.6
Reading symbols from /usr/lib/libXrandr.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXrandr.so.2
Reading symbols from /usr/lib/libXcursor.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXcursor.so.1
Reading symbols from /usr/lib/libXcomposite.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXcomposite.so.1
Reading symbols from /usr/lib/libXdamage.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXdamage.so.1
Reading symbols from /usr/lib/libXfixes.so.3...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXfixes.so.3
Reading symbols from /usr/lib/libatk-1.0.so.0...Reading symbols from 
/usr/lib/debug/usr/lib/libatk-1.0.so.0.3009.1...done.
done.
Loaded symbols for /usr/lib/libatk-1.0.so.0
Reading symbols from /usr/lib/libgio-2.0.so.0...Reading symbols from 
/usr/lib/debug/usr/lib/libgio-2.0.so.0.2400.1...done.
done.
Loaded symbols for /usr/lib/libgio-2.0.so.0
Reading symbols from /usr/lib/libpangoft2-1.0.so.0...Reading symbols from 
/usr/lib/debug/usr/lib/libpangoft2-1.0.so.0.2800.0...done.
done.
Loaded symbols for /usr/lib/libpangoft2-1.0.so.0
Reading symbols from /usr/lib/libgmodule-2.0.so.0...Reading symbols from 
/usr/lib/debug/usr/lib/libgmodule-2.0.so.0.2400.1...done.
done.
Loaded symbols for /usr/lib/libgmodule-2.0.so.0
Reading symbols from /usr/lib/libpixman-1.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libpixman-1.so.0
Reading symbols from /usr/lib/libdirectfb-1.2.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libdirectfb-1.2.so.0
Reading symbols from /usr/lib/libfusion-1.2.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libfusion-1.2.so.0
Reading symbols from /usr/lib/libdirect-1.2.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libdirect-1.2.so.0
Reading symbols from /usr/lib/libxcb-render-util.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libxcb-render-util.so.0
Reading symbols from /usr/lib/libxcb-render.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libxcb-render.so.0
Reading symbols from /lib/libpcre.so.3...(no debugging symbols found)...done.
Loaded symbols for /lib/libpcre.so.3
Reading symbols from /usr/lib/libORBit-2.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libORBit-2.so.0
Reading symbols from /usr/lib/libgssapi_krb5.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libgssapi_krb5.so.2
Reading symbols from /usr/lib/libgnutls.so.26...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libgnutls.so.26
Reading symbols from /usr/lib/libavahi-common.so.3...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libavahi-common.so.3
Reading symbols from /usr/lib/libavahi-client.so.3...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libavahi-client.so.3
Reading symbols from /lib/libgpg-error.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /lib/libgpg-error.so.0
Reading symbols from /usr/lib/libXau.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXau.so.6
Reading symbols from /usr/lib/libXdmcp.so.6...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libXdmcp.so.6
Reading symbols from /lib/libselinux.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libselinux.so.1
Reading symbols from /usr/lib/libkrb5.so.3...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libkrb5.so.3
Reading symbols from /usr/lib/libk5crypto.so.3...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libk5crypto.so.3
Reading symbols from /lib/libcom_err.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libcom_err.so.2
Reading symbols from /usr/lib/libkrb5support.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libkrb5support.so.0
Reading symbols from /lib/libkeyutils.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /lib/libkeyutils.so.1
Reading symbols from /usr/lib/libtasn1.so.3...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libtasn1.so.3
Reading symbols from /lib/libnss_compat.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /lib/libnss_compat.so.2
Reading symbols from /lib/libnsl.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /lib/libnss_nis.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libnss_nis.so.2
Reading symbols from /lib/libnss_files.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /lib/libnss_files.so.2
Reading symbols from /usr/lib/gtk-2.0/modules/libcanberra-gtk-module.so...(no 
debugging symbols found)...done.
Loaded symbols for /usr/lib/gtk-2.0/modules/libcanberra-gtk-module.so
Reading symbols from /usr/lib/libcanberra-gtk.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libcanberra-gtk.so.0
Reading symbols from /usr/lib/libcanberra.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libcanberra.so.0
Reading symbols from /usr/lib/libvorbisfile.so.3...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libvorbisfile.so.3
Reading symbols from /usr/lib/libvorbis.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libvorbis.so.0
Reading symbols from /usr/lib/libogg.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libogg.so.0
Reading symbols from /usr/lib/libtdb.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libtdb.so.1
Reading symbols from /usr/lib/libltdl.so.7...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libltdl.so.7
Reading symbols from /usr/lib/gtk-2.0/2.10.0/engines/libmurrine.so...(no 
debugging symbols found)...done.
Loaded symbols for /usr/lib/gtk-2.0/2.10.0/engines/libmurrine.so
Reading symbols from 
/var/lib/flashplugin-installer/npwrapper.libflashplayer.so...(no debugging 
symbols found)...done.
Loaded symbols for /var/lib/flashplugin-installer/npwrapper.libflashplayer.so
Reading symbols from /usr/lib/libXt.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXt.so.6
Reading symbols from /usr/lib/libSM.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libSM.so.6
Reading symbols from /usr/lib/libICE.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libICE.so.6
Reading symbols from /lib/libuuid.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libuuid.so.1
0x00007f30bdb81f93 in poll () from /lib/libc.so.6
(gdb) backtrace f
#0  0x00007f30bdb81f93 in poll () from /lib/libc.so.6
No symbol table info available.
#1  0x00007f30c15b34a9 in g_main_context_poll (context=0x3fb30d0, block=<value 
optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at 
/build/buildd/glib2.0-2.24.1/glib/gmain.c:2904
        poll_func = 0x7f30c15c0650 <IA__g_poll>
#2  g_main_context_iterate (context=0x3fb30d0, block=<value optimized out>, 
dispatch=<value optimized out>, self=<value optimized out>) at 
/build/buildd/glib2.0-2.24.1/glib/gmain.c:2586
        max_priority = 2147483647
        timeout = 281229
        some_ready = <value optimized out>
        nfds = 3
        allocated_nfds = <value optimized out>
        fds = 0x4049ba0
        __PRETTY_FUNCTION__ = "g_main_context_iterate"
#3  0x00007f30c15b38fc in IA__g_main_context_iteration (context=0x3fb30d0, 
may_block=1) at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2654
        retval = <value optimized out>
#4  0x0000000000b3e80f in ?? ()
No symbol table info available.
#5  0x0000000000b18894 in ?? ()
No symbol table info available.
#6  0x000000000132f1ad in ?? ()
No symbol table info available.
#7  0x000000000042ec78 in ?? ()
No symbol table info available.
#8  0x0000000000430223 in ?? ()
No symbol table info available.
#9  0x00007f30bdac6c4d in __libc_start_main () from /lib/libc.so.6
No symbol table info available.
#10 0x000000000042dda9 in ?? ()
No symbol table info available.
#11 0x00007fff9ca0a5e8 in ?? ()
No symbol table info available.
#12 0x000000000000001c in ?? ()
No symbol table info available.
#13 0x0000000000000007 in ?? ()
No symbol table info available.
#14 0x00007fff9ca0a957 in ?? ()
No symbol table info available.
#15 0x0000000000000000 in ?? ()
No symbol table info available.
(gdb) backtrace full
#0  0x00007f30bdb81f93 in poll () from /lib/libc.so.6
No symbol table info available.
#1  0x00007f30c15b34a9 in g_main_context_poll (context=0x3fb30d0, block=<value 
optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at 
/build/buildd/glib2.0-2.24.1/glib/gmain.c:2904
        poll_func = 0x7f30c15c0650 <IA__g_poll>
#2  g_main_context_iterate (context=0x3fb30d0, block=<value optimized out>, 
dispatch=<value optimized out>, self=<value optimized out>) at 
/build/buildd/glib2.0-2.24.1/glib/gmain.c:2586
        max_priority = 2147483647
        timeout = 281229
        some_ready = <value optimized out>
        nfds = 3
        allocated_nfds = <value optimized out>
        fds = 0x4049ba0
        __PRETTY_FUNCTION__ = "g_main_context_iterate"
#3  0x00007f30c15b38fc in IA__g_main_context_iteration (context=0x3fb30d0, 
may_block=1) at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2654
        retval = <value optimized out>
#4  0x0000000000b3e80f in ?? ()
No symbol table info available.
#5  0x0000000000b18894 in ?? ()
No symbol table info available.
#6  0x000000000132f1ad in ?? ()
No symbol table info available.
#7  0x000000000042ec78 in ?? ()
No symbol table info available.
#8  0x0000000000430223 in ?? ()
No symbol table info available.
#9  0x00007f30bdac6c4d in __libc_start_main () from /lib/libc.so.6
No symbol table info available.
#10 0x000000000042dda9 in ?? ()
No symbol table info available.
#11 0x00007fff9ca0a5e8 in ?? ()
No symbol table info available.
#12 0x000000000000001c in ?? ()
No symbol table info available.
#13 0x0000000000000007 in ?? ()
No symbol table info available.
#14 0x00007fff9ca0a957 in ?? ()
No symbol table info available.
#15 0x0000000000000000 in ?? ()
No symbol table info available.
(gdb) inforegi registers
rax            0xfffffffffffffdfc       -516
rbx            0x3fb30d0        66793680
rcx            0xffffffffffffffff       -1
rdx            0x44a8d  281229
rsi            0x3      3
rdi            0x4049ba0        67410848
rbp            0x4049ba0        0x4049ba0
rsp            0x7fff9ca09060   0x7fff9ca09060
r8             0x0      0
r9             0xbac    2988
r10            0x41112a31       1091643953
r11            0x293    659
r12            0x7f30c15c0650   139847379191376
r13            0x332f5a0        53671328
r14            0x3      3
r15            0x3fb30d8        66793688
rip            0x7f30bdb81f93   0x7f30bdb81f93 <poll+83>
eflags         0x293    [ CF AF SF IF ]
cs             0x33     51
ss             0x2b     43
ds             0x0      0
es             0x0      0
fs             0x0      0
gs             0x0      0
(gdb) x/16i $pc
=> 0x7f30bdb81f93 <poll+83>:    mov    %rax,%rdx
   0x7f30bdb81f96 <poll+86>:    cmp    $0xfffffffffffff000,%rdx
   0x7f30bdb81f9d <poll+93>:    ja     0x7f30bdb81fc2 <poll+130>
   0x7f30bdb81f9f <poll+95>:    mov    %r8d,%edi
   0x7f30bdb81fa2 <poll+98>:    mov    %eax,0x18(%rsp)
   0x7f30bdb81fa6 <poll+102>:   callq  0x7f30bdb9e210
   0x7f30bdb81fab <poll+107>:   mov    0x18(%rsp),%eax
   0x7f30bdb81faf <poll+111>:   jmp    0x7f30bdb81f60 <poll+32>
   0x7f30bdb81fb1 <poll+113>:   mov    0x2a2fe0(%rip),%rdx        # 
0x7f30bde24f98
   0x7f30bdb81fb8 <poll+120>:   neg    %eax
   0x7f30bdb81fba <poll+122>:   mov    %eax,%fs:(%rdx)
   0x7f30bdb81fbd <poll+125>:   or     $0xffffffffffffffff,%eax
   0x7f30bdb81fc0 <poll+128>:   jmp    0x7f30bdb81f60 <poll+32>
   0x7f30bdb81fc2 <poll+130>:   mov    0x2a2fcf(%rip),%rax        # 
0x7f30bde24f98
   0x7f30bdb81fc9 <poll+137>:   neg    %edx
   0x7f30bdb81fcb <poll+139>:   mov    %edx,%fs:(%rax)
(gdb) thread apply all backtrace

Thread 2 (Thread 0x7f30b9185700 (LWP 2989)):
#0  0x00007f30bdb8a879 in syscall () from /lib/libc.so.6
#1  0x0000000000b54a6a in epoll_wait ()
#2  0x0000000000b545e0 in ?? ()
#3  0x0000000000b529f9 in ?? ()
#4  0x0000000000b3f4b2 in ?? ()
#5  0x0000000000b18894 in ?? ()
#6  0x0000000000b31420 in ?? ()
#7  0x0000000000b2360a in ?? ()
#8  0x00007f30c05929ca in start_thread () from /lib/libpthread.so.0
#9  0x00007f30bdb8e70d in clone () from /lib/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f30c3da17e0 (LWP 2988)):
#0  0x00007f30bdb81f93 in poll () from /lib/libc.so.6
#1  0x00007f30c15b34a9 in g_main_context_poll (context=0x3fb30d0, block=<value 
optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at 
/build/buildd/glib2.0-2.24.1/glib/gmain.c:2904
#2  g_main_context_iterate (context=0x3fb30d0, block=<value optimized out>, 
dispatch=<value optimized out>, self=<value optimized out>) at 
/build/buildd/glib2.0-2.24.1/glib/gmain.c:2586
#3  0x00007f30c15b38fc in IA__g_main_context_iteration (context=0x3fb30d0, 
may_block=1) at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2654
#4  0x0000000000b3e80f in ?? ()
#5  0x0000000000b18894 in ?? ()
#6  0x000000000132f1ad in ?? ()
#7  0x000000000042ec78 in ?? ()
#8  0x0000000000430223 in ?? ()
#9  0x00007f30bdac6c4d in __libc_start_main () from /lib/libc.so.6
#10 0x000000000042dda9 in ?? ()
#11 0x00007fff9ca0a5e8 in ?? ()
#12 0x000000000000001c in ?? ()
#13 0x0000000000000007 in ?? ()
#14 0x00007fff9ca0a957 in ?? ()
#15 0x0000000000000000 in ?? ()
(gdb) quit
A debugging session is active.

        Inferior 1 [process 2988] will be detached.

Quit anyway? (y or n) Detaching from program: /opt/google/chrome/chrome,
process 2988

-- 
Full screen movie playback hangs with black screen
https://bugs.launchpad.net/bugs/470829
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Desktop Bugs, which is a bug assignee.

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