TotalMem: 3706880
TotalMem: 3702784
TotalMem: 3686400
TotalMem: 3710976
mono: cairo-font.c:114: cairo_font_face_destroy: Assertion `font_face->ref_count > 0' failed.

=================================================================
Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================

Stacktrace:

  at (wrapper managed-to-native) System.Drawing.GDIPlus.GdipDeleteGraphics (intptr) <0x00004>
  at (wrapper managed-to-native) System.Drawing.GDIPlus.GdipDeleteGraphics (intptr) <0xffffffff>
  at System.Drawing.Graphics.Dispose () <0x00019>
  at (wrapper remoting-invoke-with-check) System.Drawing.Graphics.Dispose () <0xffffffff>
  at System.Drawing.Graphics.Finalize () <0x00010>
  at (wrapper runtime-invoke) System.Object.runtime_invoke_void (object,intptr,intptr,intptr) <0xffffffff>

Native stacktrace:

        mono(mono_handle_native_sigsegv+0xec) [0x818368c]
        mono [0x8165f89]
        [0xffffe440]
        /lib/libc.so.6(abort+0x103) [0xb7d7aea3]
        /lib/libc.so.6(__assert_fail+0xfb) [0xb7d7301b]
        /mono/lib/libgdiplus.so [0xb707cf1c]
        /mono/lib/libgdiplus.so [0xb707eed8]
        /mono/lib/libgdiplus.so(cairo_destroy+0x39) [0xb70799c9]
        /mono/lib/libgdiplus.so(GdipDeleteGraphics+0x68) [0xb70549f8]
        [0xb66d35ad]
        [0xb66d354a]
        [0xb66d3501]
        [0xb66a3341]
        [0xb66a31b1]
        mono [0x8165ded]
        mono [0x80cdff3]
        mono [0x8133771]
        mono [0x80ce127]
        mono [0x80e5114]
        mono [0x812774e]
        mono [0x813da95]
        /lib/libpthread.so.0 [0xb7ea434b]
        /lib/libc.so.6(__clone+0x5e) [0xb7e0e65e]
Aborted