Someone

Scale: (6255,630) to (11,2) at (6,33)
Result image: (11,2) at (6,33) (subpix=0,0)
make_weights src_w=6255 x=0 dst_w=11 patch_l=0 patch_r=11 F=0.00175859 window=568.636
0: centre=283.818 l=-284 r=852
total weight 0 = 0
1: centre=852.455 l=284 r=1421
ocamlrun: draw/draw_scale.c:323: init_weights: Assertion `weights->count == j-1' failed.

Program received signal SIGABRT, Aborted.
[Switching to Thread 0x4cae0490 (LWP 2341)]
0x0fd30008 in raise () from /lib/libc.so.6
(gdb) bt
#0  0x0fd30008 in raise () from /lib/libc.so.6
#1  0x0fd318c8 in abort () from /lib/libc.so.6
#2  0x0fd27cdc in __assert_fail () from /lib/libc.so.6
#3  0x0f507020 in init_weights (weights=0x10a60e58, j=-255) at draw/draw_scale.c:323
#4  0x0f5080ac in make_weights (ctx=0x1008cfe8, src_w=6255, x=0, dst_w=11, filter=0xf64529c, vertical=0, dst_w_int=11, patch_l=0, patch_r=11, n=4, flip=0) at draw/draw_scale.c:531
#5  0x0f50a580 in fz_scale_pixmap (ctx=0x1008cfe8, src=0x10a3bba0, x=0, y=0, w=11, h=2, clip=0x4cadf7f8) at draw/draw_scale.c:1338
#6  0x0f4f42a4 in fz_transform_pixmap (ctx=0x1008cfe8, image=0x10a3bba0, ctm=0x4cadf8d0, x=0, y=0, dx=10, dy=1, gridfit=1, clip=0x4cadf7f8) at draw/draw_device.c:835
#7  0x0f4f4b68 in fz_draw_fill_image (devp=0x10b27f80, image=0x10a3bba0, ctm=..., alpha=1) at draw/draw_device.c:930
#8  0x0f4d11c4 in fz_fill_image (dev=0x10b27f80, image=0x10a3bba0, ctm=value has been optimized out
) at fitz/dev_null.c:110
#9  0x0f4d0300 in fz_execute_display_list (list=0x10a3fe50, dev=0x10b27f80, top_ctm=..., scissor=..., cookie=0x0) at fitz/dev_list.c:712
#10 0x0f05add4 in rendertile (unused=<value optimized out>) at /home/malc/xsrc/llpp/link.c:695
#11 mainloop (unused=<value optimized out>) at /home/malc/xsrc/llpp/link.c:1322
#12 0x0fe7b28c in start_thread () from /lib/libpthread.so.0
#13 0x0fdd9d28 in clone () from /lib/libc.so.6
(gdb) fr 3
#3  0x0f507020 in init_weights (weights=0x10a60e58, j=-255) at draw/draw_scale.c:323
323             assert(weights->count == j-1);
(gdb) info local
index = 1071644672
__PRETTY_FUNCTION__ = "init_weights"
(gdb) info args
weights = 0x10a60e58
j = -255
(gdb) p *weights
$1 = {
  flip = 0, 
  count = 0, 
  max_len = 1138, 
  n = 4, 
  new_line = 1, 
  patch_l = 256, 
  index = {11}
}
(gdb)