X assertion fails with svn latest + FFplay

Hi,
I’m trying to use latest svn with FFplay, but X assertion fails on
"!dpy->xcb->request_extra".
Any known issues regarding this?

Thanks,
Tomer

(gdb) bt
#0 0x0041e416 in __kernel_vsyscall ()
#1 0x00531460 in raise (sig=6) at …/nptl/sysdeps/unix/sysv/linux/raise.c:64
#2 0x00532e28 in abort () at abort.c:88
#3 0x0052a40e in __assert_fail (assertion=0x9128e2
"!dpy->xcb->request_extra", file=0x91283e “xcb_io.c”,
line=228, function=0x9129dc “_XSend”) at assert.c:78
#4 0x008a42ec in _XSend (dpy=0x88f64a8, data=0x6 <Address 0x6 out of
bounds>, size=26897) at xcb_io.c:228
#5 0x008a4452 in _XFlush (dpy=0x88f64a8) at xcb_io.c:258
#6 0x0087bb41 in XFlush (dpy=0x88f64a8) at Flush.c:41
#7 0x0030d74e in XFlush (a=0x88f64a8) at ./src/video/x11/SDL_x11sym.h:58
#8 0x00310c38 in X11_Pending (display=0x88f64a8) at
./src/video/x11/SDL_x11events.c:368
#9 0x00310d38 in X11_PumpEvents (_this=0x88f5a30) at
./src/video/x11/SDL_x11events.c:407
#10 0x002b894e in SDL_GobbleEvents (unused=0x0) at ./src/events/SDL_events.c:115
#11 0x002bcd5b in SDL_RunThread (data=0x88f1008) at
./src/thread/SDL_thread.c:211
#12 0x0031efdd in RunThread (data=0x88f1008) at
./src/thread/pthread/SDL_systhread.c:48
#13 0x0068951f in start_thread (arg=0xb7fe3b90) at pthread_create.c:297
#14 0x005ea04e in clone () at …/sysdeps/unix/sysv/linux/i386/clone.S:130