GNU gdb (GDB) 7.1 Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "mingw32". For bug reporting instructions, please see: ... Reading symbols from d:/X-Plane/X-Plane.exe...(no debugging symbols found)...done. (gdb) r Starting program: d:/X-Plane/X-Plane.exe [New Thread 4368.0xb88] [New Thread 4368.0xea0] [New Thread 4368.0x13f4] [New Thread 4368.0x1314] [New Thread 4368.0x480] [New Thread 4368.0x678] [New Thread 4368.0x1344] [New Thread 4368.0x12ac] [New Thread 4368.0x8ac] [New Thread 4368.0x116c] [New Thread 4368.0xe38] [New Thread 4368.0x518] [New Thread 4368.0x680] [New Thread 4368.0x12c4] [New Thread 4368.0x740] [New Thread 4368.0x748] [New Thread 4368.0x13a0] [New Thread 4368.0xda4] Starting thread loader. IO_Scene of 50,11 (async=0) as 0x169ca5c8 IO_Scene of 50,12 (async=0) as 0x1ab392f8 IO_Scene of 50,13 (async=0) as 0x1de15a68 IO_Scene of 51,11 (async=0) as 0x1f105460 IO_Scene of 51,12 (async=0) as 0x196657b8 IO_Scene of 51,13 (async=0) as 0x170444d0 Kicking off async tex load. VRAM needed: 2922630. Trivial VRAM: 5589568. Packed VRAM: 3407872. Packed efficiency: 0.857611. Unpacked efficiency: 0.522872. Queueing tex load for any pending degrees we just forced ourselves to do. [New Thread 4368.0x12ec] OpenAL: extension 'ALC_ENUMERATION_EXT' present [New Thread 4368.0x11b0] Generic Software [New Thread 4368.0x8bc] [New Thread 4368.0x100c] [New Thread 4368.0x508] [New Thread 4368.0xefc] [New Thread 4368.0x12e8] [New Thread 4368.0xc88] [New Thread 4368.0xfc4] [New Thread 4368.0x1268] [New Thread 4368.0x101c] [New Thread 4368.0x4bc] [New Thread 4368.0x10d0] [New Thread 4368.0x608] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 4368.0x608] 0x65343349 in fast_composite_over_n_8888_8888_ca (imp=0x2d865530, op=PIXMAN_OP_OVER, src_image=0x2d8668b8, mask_image=0x32573cf0, dst_image=0x323f65e8, src_x=263, src_y=179, mask_x=0, mask_y=0, dest_x=263, dest_y=179, width=36, height=0) at pixman-fast-path.c:448 448 ma = *mask++; (gdb) p mask_image->component_alpha (gdb) There is no member named component_alpha. (gdb) Quit (expect signal SIGINT when the program is resumed)