. Thread 1 (process 11892): #0 0x4001e416 in __kernel_vsyscall () No symbol table info available. #1 0x404fc941 in *__GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 resultvar = pid = 1080213492 selftid = 11892 #2 0x404ffe42 in *__GI_abort () at abort.c:92 act = {__sigaction_handler = {sa_handler = 0x17778, sa_sigaction = 0x17778}, sa_mask = {__val = {1080218704, 128, 1080218560, 1080213492, 1080218560, 123, 3220427024, 1079258717, 167773944, 1080213492, 1080213492, 124, 3220427224, 1079193544, 167774048, 167774048, 123, 167773944, 0, 4222451712, 167774048, 167774149, 167774048, 167774048, 167774171, 167774348, 167774048, 167774348, 0, 0, 0, 0}}, sa_flags = 0, sa_restorer = 0x4} sigs = {__val = {32, 0 }} #3 0x404f58e8 in *__GI___assert_fail ( assertion=0x402ec6a0 "semaphore_info != (SemaphoreInfo *) ((void *)0)", file=0x402ec68c "magick/semaphore.c", line=525, function=0x402ec771 "LockSemaphoreInfo") at assert.c:81 buf = 0xa000890 "drawtiming: magick/semaphore.c:525: LockSemaphoreInfo: Assertion `semaphore_info != (SemaphoreInfo *) ((void *)0)' failed.\n" #4 0x40198e2c in LockSemaphoreInfo () from /usr/lib/libGraphicsMagick.so.3 No symbol table info available. #5 0x401a3bae in GetTypeInfo () from /usr/lib/libGraphicsMagick.so.3 No symbol table info available. #6 0x400cb0f7 in ?? () from /usr/lib/libGraphicsMagick.so.3 No symbol table info available. #7 0x400cbab6 in GetTypeMetrics () from /usr/lib/libGraphicsMagick.so.3 No symbol table info available. #8 0x4006ac87 in Magick::Image::fontTypeMetrics () from /usr/lib/libGraphicsMagick++.so.3 No symbol table info available. #9 0x0804fa88 in label_width (d=) at timing.cc:302 labelWidth = 0 m = {_typeMetric = {pixels_per_em = {x = 0, y = 0}, ascent = 0, descent = 0, width = 0, height = 0, max_advance = 0, bounds = {x1 = 0, y1 = 0, x2 = 0, y2 = 0}, underline_position = 0, underline_thickness = 0}} img = #10 0x08050891 in base_size (d=@0x805c740, w=, h=@0xbff3d4a8) at timing.cc:332 No locals. #11 0x08055111 in timing::render (gc=@0xbff3d530, d=@0x805c740, scale=1) at timing.cc:655 base_width = 134551774 base_height = -1074539288 #12 0x0804b482 in render_it (gc=@0x0, flags=6, width=11892, height=134571760, scale=1) at main.cc:92 No locals. #13 0x0804c6d6 in main (argc=4, argv=0xbff3d704) at main.cc:202 gc = { = {_vptr.gc = 0x8058168, width = 0, height = 0}, ps_text = } flags = 0 k = 1080213492 c = width = -1074538920 height = 134571760 scale = 1