Gdk:ERROR:gdkregion-generic.c:1108:miUnionNonO: assertion failed: (y1 < y2)
[Thread 0x7fffe79f5710 (LWP 29281) exited]

Program received signal SIGABRT, Aborted.
0x0000003b5f0326c5 in raise (sig=<value optimized out>)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
64	  return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
Missing separate debuginfos, use: debuginfo-install webkitgtk-1.1.17-1.fc13.x86_64
(gdb) bt
#0  0x0000003b5f0326c5 in raise (sig=<value optimized out>)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1  0x0000003b5f033ea5 in abort () at abort.c:92
#2  0x0000003b6085eb2f in IA__g_assertion_message (
    domain=<value optimized out>, file=0x3f47283157 "gdkregion-generic.c", 
    line=-1, func=0x3f472833b5 "miUnionNonO", message=
    0x9983c0 "assertion failed: (y1 < y2)") at gtestutils.c:1302
#3  0x0000003b6085f0d0 in IA__g_assertion_message_expr (domain=
    0x3f4727e774 "Gdk", file=0x3f47283157 "gdkregion-generic.c", line=1108, 
    func=0x3f472833b5 "miUnionNonO", expr=<value optimized out>)
    at gtestutils.c:1313
#4  0x0000003f47232ff3 in miUnionNonO (pReg=0x7fffd4136010, r=0x7fffe80b2bd0, 
    rEnd=0x7fffe80b2be0, y1=32767, y2=32767) at gdkregion-generic.c:1108
#5  0x0000003f472324a7 in miRegionOp (newReg=<value optimized out>, 
    reg1=<value optimized out>, reg2=<value optimized out>, 
    overlapFn=<value optimized out>, nonOverlap1Fn=<value optimized out>, 
    nonOverlap2Fn=<value optimized out>) at gdkregion-generic.c:1019
#6  0x0000003f47233b47 in IA__gdk_region_union (source1=0x7fffd4136010, 
    source2=0xf8ac90) at gdkregion-generic.c:1264
#7  0x0000003f4724196d in gdk_window_invalidate_maybe_recurse_full (
    window=<value optimized out>, region=0x7fffd800ef20, 
    clear_bg=<value optimized out>, child_func=
    0x3f49875aa0 <invalidate_predicate>, user_data=0x908ce0)
    at gdkwindow.c:5708
#8  0x0000003f49876ab5 in gtk_widget_invalidate_widget_windows (widget=
    0x908ce0 [GtkLabel], region=0x7fffd800ef20) at gtkwidget.c:3777
#9  0x0000003f49877fb3 in gtk_widget_queue_shallow_draw (widget=
    0x908ce0 [GtkLabel]) at gtkwidget.c:3814
#10 0x0000003f4987e776 in IA__gtk_widget_queue_resize (widget=
    0x908ce0 [GtkLabel]) at gtkwidget.c:3626
#11 0x0000003f4973a253 in gtk_label_recalculate (label=0x908ce0 [GtkLabel])
    at gtklabel.c:1831
#12 0x0000003f4973cf8a in IA__gtk_label_set_text (label=0x908ce0 [GtkLabel], 
    str=<value optimized out>) at gtklabel.c:1856
#13 0x0000003b6100ba8e in IA__g_closure_invoke (closure=0x91e100, return_value=
    0x0, n_param_values=3, param_values=0xb1a2d0, invocation_hint=
    0x7fffffffdbc0) at gclosure.c:767
#14 0x0000003b61020b8d in signal_emit_unlocked_R (node=<value optimized out>, 
    detail=<value optimized out>, instance=<value optimized out>, 
    emission_return=<value optimized out>, 
    instance_and_params=<value optimized out>) at gsignal.c:3285
#15 0x0000003b61022259 in IA__g_signal_emit_valist (
    instance=<value optimized out>, signal_id=<value optimized out>, 
    detail=<value optimized out>, var_args=0x7fffffffddb0) at gsignal.c:2980
#16 0x0000003b610227a3 in IA__g_signal_emit (instance=<value optimized out>, 
    signal_id=<value optimized out>, detail=<value optimized out>)
    at gsignal.c:3037
#17 0x0000000000452af5 in mail_progress_notify_cb (
    source=<value optimized out>, condition=<value optimized out>, window=
    0x7299b0) at main-window.c:3124
#18 0x0000003b6083922e in g_main_dispatch (context=0x72fa00) at gmain.c:1960
#19 IA__g_main_context_dispatch (context=0x72fa00) at gmain.c:2513
#20 0x0000003b6083cc18 in g_main_context_iterate (context=0x72fa00, 
    block=<value optimized out>, dispatch=<value optimized out>, 
    self=<value optimized out>) at gmain.c:2591
#21 0x0000003b6083d065 in IA__g_main_loop_run (loop=0x9ddfe0) at gmain.c:2799
#22 0x0000003f4974bd87 in IA__gtk_main () at gtkmain.c:1218
#23 0x0000000000459997 in main (argc=<value optimized out>, 
    argv=<value optimized out>) at main.c:1155
