Program received signal SIGSEGV, Segmentation fault.
0x00865da5 in write_pose (wd=0x40edfc0, pose=0x4592710) at writefile.c:780
780                     chan->selectflag= chan->bone->flag & (BONE_SELECTED|BONE_ACTIVE); // gets restored on read, for library armatures
(gdb) bt
#0  0x00865da5 in write_pose (wd=0x40edfc0, pose=0x4592710) at writefile.c:780
#1  0x008660a6 in write_objects (wd=0x40edfc0, idbase=0x456ebac) at writefile.c:855
#2  0x00869446 in write_file_handle (handle=4, compare=0x0, current=0x0, write_user_block=0, write_flags=4096)
    at writefile.c:1892
#3  0x00869652 in BLO_write_file (
    dir=0x22fdb0 "c:\\cygwin\\bf-blender\\blender\\obj\\windows\\debug\\bin\\.blender\\autosave\\2168.blend",
    write_flags=4096, error_r=0x22feac) at writefile.c:1938
#4  0x0041171a in BIF_write_autosave () at usiblender.c:819
#5  0x00405175 in screenmain () at editscreen.c:1371
#6  0x00402782 in main (argc=1, argv=0x3f2908) at creator.c:694
(gdb)