# backtrace
./blender(BLI_system_backtrace+0x20) [0x1a928a0]
./blender() [0x1077d48]
/lib/x86_64-linux-gnu/libc.so.6(+0x37140) [0x7ffff60f2140]
./blender(BKE_main_idmap_lookup_id+0) [0x17f8c60]
./blender(blo_lib_link_screen_restore+0x5c3) [0x16d1843]
./blender() [0x176813f]
./blender(BKE_blendfile_read_from_memfile+0x92) [0x17683e2]
./blender(BKE_memfile_undo_decode+0x66) [0x1767ad6]
./blender() [0x109e290]
./blender(BKE_undosys_step_undo_with_data_ex+0x63) [0x18e1ca3]
./blender() [0x109d766]
./blender() [0x107d150]
./blender() [0x107e6c9]
./blender() [0x107edba]
./blender() [0x107f3a7]
./blender(wm_event_do_handlers+0x731) [0x107fd51]
./blender(WM_main+0x20) [0x1078680]
./blender(main+0x409) [0x10161a9]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1) [0x7ffff60dc1c1]
./blender() [0x107472e]