Yes, I reproduced it as well.....except that now this is a FC10, 64bit - when I load in the KXTGA930.PDF. (gdb) bt #0 0x000000378682e36f in ?? () from /usr/lib64/libfreetype.so.6 #1 0x000000378682e4c0 in ?? () from /usr/lib64/libfreetype.so.6 #2 0x000000378682e73b in ?? () from /usr/lib64/libfreetype.so.6 #3 0x0000003786832a1d in ?? () from /usr/lib64/libfreetype.so.6 #4 0x0000003786832e0e in ?? () from /usr/lib64/libfreetype.so.6 #5 0x0000003786812930 in ?? () from /usr/lib64/libfreetype.so.6 #6 0x0000003786814da6 in FT_Open_Face () from /usr/lib64/libfreetype.so.6 #7 0x0000003786815b62 in FT_New_Face () from /usr/lib64/libfreetype.so.6 #8 0x000000378d61a72d in CairoFont::create () from /usr/lib64/libpoppler-glib.so.3 #9 0x000000378d61ab10 in CairoFontEngine::getFont () from /usr/lib64/libpoppler-glib.so.3 #10 0x000000378d61d9fa in CairoOutputDev::updateFont () from /usr/lib64/libpoppler-glib.so.3 #11 0x000000378cab47e5 in Gfx::opShowText () from /usr/lib64/libpoppler.so.3 #12 0x000000378caabbdc in Gfx::go () from /usr/lib64/libpoppler.so.3 #13 0x000000378cab22c6 in Gfx::display () from /usr/lib64/libpoppler.so.3 #14 0x000000378caf7da0 in Page::displaySlice () from /usr/lib64/libpoppler.so.3 #15 0x000000378d615be5 in ?? () from /usr/lib64/libpoppler-glib.so.3 #16 0x000000378d616797 in poppler_page_render_to_pixbuf () from /usr/lib64/libpoppler-glib.so.3 #17 0x00007ffff0b09b3e in ?? () from /usr/lib64/evince/backends/libpdfdocument.so ---Type to continue, or q to quit--- #18 0x00000000004205f4 in gtk_icon_view_set_pixbuf_column () #19 0x000000000041e130 in gtk_icon_view_set_pixbuf_column () #20 0x0000003783460d44 in ?? () from /lib64/libglib-2.0.so.0 #21 0x00000037828073da in start_thread () from /lib64/libpthread.so.0 #22 0x0000003781ce62bd in clone () from /lib64/libc.so.6 Looking at the point where it crashed: (gdb) x /20i $rip 0x378682e36f: idiv %rsi 0x378682e372: cmp $0x7fff,%rax 0x378682e378: jg 0x378682e0f3 0x378682e37e: mov %r8,%rdi 0x378682e381: callq 0x378680be90 0x378682e386: mov %rax,%rcx 0x378682e389: jmpq 0x378682e28e 0x378682e38e: mov $0xa,%esi 0x378682e393: mov %r8,%rdi 0x378682e396: callq 0x378680be90 0x378682e39b: mov %rax,%rcx 0x378682e39e: mov %ebp,%eax 0x378682e3a0: sub %ebx,%eax 0x378682e3a2: add $0x1,%eax 0x378682e3a5: mov %eax,(%r12) 0x378682e3a9: jmpq 0x378682e28e 0x378682e3ae: movslq %ebx,%rax 0x378682e3b1: mov %rbp,%rsi 0x378682e3b4: sub %rax,%rsi 0x378682e3b7: jmpq 0x378682e1e5 (gdb) and the register for RSI: (gdb) info registers rsi rsi 0x0 0 So here we go....RSI is zero. And the address range is for freetype shared library: 0x000000378680c560 0x0000003786874138 Yes /usr/lib64/libfreetype.so.6 And looking at the neighboring logic happening before the crash: 378682e311: 89 c0 mov %eax,%eax 378682e313: 41 83 c2 01 add $0x1,%r10d 378682e317: 4c 8d 04 50 lea (%rax,%rdx,2),%r8 378682e31b: e9 e0 fe ff ff jmpq 378682e200 378682e320: 4c 89 c7 mov %r8,%rdi 378682e323: e8 68 db fd ff callq 378680be90 378682e328: 48 89 c1 mov %rax,%rcx 378682e32b: 8d 45 fb lea -0x5(%rbp),%eax 378682e32e: 41 89 04 24 mov %eax,(%r12) 378682e332: e9 57 ff ff ff jmpq 378682e28e 378682e337: 89 d1 mov %edx,%ecx 378682e339: 42 8d 04 19 lea (%rcx,%r11,1),%eax 378682e33d: 89 c2 mov %eax,%edx 378682e33f: c1 fa 1f sar $0x1f,%edx 378682e342: 31 d0 xor %edx,%eax 378682e344: 29 d0 sub %edx,%eax 378682e346: 83 f8 05 cmp $0x5,%eax 378682e349: 0f 8f a4 fd ff ff jg 378682e0f3 378682e34f: 44 89 d0 mov %r10d,%eax 378682e352: 29 c8 sub %ecx,%eax 378682e354: 85 c0 test %eax,%eax 378682e356: 7e 75 jle 378682e3cd 378682e358: 48 8d 15 81 6d 04 00 lea 0x46d81(%rip),%rdx # 37868750e0 378682e35f: 48 98 cltq 378682e361: 48 8b 34 c2 mov (%rdx,%rax,8),%rsi 378682e365: 4c 89 c2 mov %r8,%rdx 378682e368: 4c 89 c0 mov %r8,%rax 378682e36b: 48 c1 fa 3f sar $0x3f,%rdx ------------------------------>>>>>>>>>>>>>crashed here. 378682e36f: 48 f7 fe idiv %rsi 378682e372: 48 3d ff 7f 00 00 cmp $0x7fff,%rax 378682e378: 0f 8f 75 fd ff ff jg 378682e0f3 378682e37e: 4c 89 c7 mov %r8,%rdi 378682e381: e8 0a db fd ff callq 378680be90 378682e386: 48 89 c1 mov %rax,%rcx 378682e389: e9 00 ff ff ff jmpq 378682e28e 378682e38e: be 0a 00 00 00 mov $0xa,%esi 378682e393: 4c 89 c7 mov %r8,%rdi 378682e396: e8 f5 da fd ff callq 378680be90 378682e39b: 48 89 c1 mov %rax,%rcx 378682e39e: 89 e8 mov %ebp,%eax 378682e3a0: 29 d8 sub %ebx,%eax 378682e3a2: 83 c0 01 add $0x1,%eax 378682e3a5: 41 89 04 24 mov %eax,(%r12) 378682e3a9: e9 e0 fe ff ff jmpq 378682e28e 378682e3ae: 48 63 c3 movslq %ebx,%rax 378682e3b1: 48 89 ee mov %rbp,%rsi 378682e3b4: 48 29 c6 sub %rax,%rsi 378682e3b7: e9 29 fe ff ff jmpq 378682e1e5 378682e3bc: 48 89 d0 mov %rdx,%rax 378682e3bf: 48 f7 d8 neg %rax 378682e3c2: 85 ed test %ebp,%ebp 378682e3c4: 48 0f 45 d0 cmovne %rax,%rdx 378682e3c8: e9 88 fd ff ff jmpq 378682e155 378682e3cd: f7 d8 neg %eax 378682e3cf: 48 63 d0 movslq %eax,%rdx 378682e3d2: 48 8d 05 07 6d 04 00 lea 0x46d07(%rip),%rax # 37868750e0 378682e3d9: 4c 0f af 04 d0 imul (%rax,%rdx,8),%r8 378682e3de: 49 81 f8 ff 7f 00 00 cmp $0x7fff,%r8 Not sure how u are going to debug this, no symbols available from freetype library, but it is definitely an application specific problem.....I am doing all these from FC10-x68_64, not Ubuntu. On Thu, Feb 12, 2009 at 3:15 AM, GiuseppeVerde