id summary reporter owner description type status priority component version resolution keywords cc game 12810 SCI: Police Quest IV sometimes segfaults in DEV version with __memmove_avx_unaligned_erms () when the menu button is pressed heavysink sluicebox "**VERSION** ScummVM 2.3.0git (Aug 16 2021 17:26:07) Features compiled in: TAINTED Vorbis FLAC MP3 ALSA SEQ TiMidity RGB zLib MPEG2 FluidSynth Theora AAC A/52 FreeType2 FriBiDi JPEG PNG GIF cloud (servers, local) TinyGL OpenGL (with shaders) GLEW **DESCRIPTION** When calling the menu in-game, Police Quest IV sometimes crashes with SEGFAULT. GDB output: {{{ GNU gdb (GDB) 10.2 Copyright (C) 2021 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 ""x86_64-pc-linux-gnu"". Type ""show configuration"" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type ""help"". Type ""apropos word"" to search for commands related to ""word""... Reading symbols from scummvm... (No debugging symbols found in scummvm) (gdb) run Starting program: /usr/bin/scummvm [Thread debugging using libthread_db enabled] Using host libthread_db library ""/usr/lib/libthread_db.so.1"". [Detaching after fork from child process 206408] [New Thread 0x7fffee21d640 (LWP 206432)] [New Thread 0x7fffed9ca640 (LWP 206434)] [New Thread 0x7fffed989640 (LWP 206435)] WARNING: SDL mixer output buffer size: 512 differs from desired: 1024! [New Thread 0x7fffed188640 (LWP 206436)] [New Thread 0x7fffbee5d640 (LWP 206437)] [Thread 0x7fffbee5d640 (LWP 206437) exited] User picked target 'pq4-cd' (engine ID 'sci', game ID 'pq4')... Looking for a plugin supporting this target... SCI [all games] Connected to Alsa sequencer client [28:0] ALSA client initialized [128:0] Thread 1 ""scummvm"" received signal SIGSEGV, Segmentation fault. 0x00007ffff6a2f738 in __memmove_avx_unaligned_erms () from /usr/lib/libc.so.6 (gdb) bt #0 0x00007ffff6a2f738 in __memmove_avx_unaligned_erms () at /usr/lib/libc.so.6 #1 0x000055555775a491 in () #2 0x000055555775a8c6 in () #3 0x00005555577489fa in () #4 0x00005555577afe52 in () #5 0x00005555577b0803 in () #6 0x000055555779f3fc in () #7 0x0000555557787901 in () #8 0x000055555770c24f in () #9 0x00005555576fce6b in () #10 0x00005555576c4b7a in () #11 0x000055555770c24f in () #12 0x00005555576a5144 in () #13 0x00005555576a589c in () #14 0x0000555555cdb537 in () #15 0x0000555555cdd2f6 in () #16 0x0000555555cb0ab9 in main () (gdb) quit }}} **Game version** PQ4, DOS, CD version **Ways to reproduce** 1. Enter the game 2. Press the menu button (for saving game, restoring game, etc.) 3. Sometimes it crashes **Note** ScummVM 2.2 does not have such problem " defect closed normal Engine: SCI invalid Police Quest 4