Hi!
In the Hatari project (www.hatari-emu.org), we recently hit a problem in the CI when we compile Hatari with Cygwin. A couple of weeks ago, everything was working still fine: https://cirrus-ci.com/task/4681700988420096 Then it suddenly started failing - also for the very same code level of Hatari that was working fine before: https://cirrus-ci.com/task/6377222543507456 The only difference was that the SDL2 package of Cygwin recently has been upgraded from 2.32.8-1 to 2.32.56-1. Christian Zietz, a user of Hatari who has a Windows installation (I don't) debugged the issue a little bit and concluded that it's crashing somewhere during exit(): https://sourceforge.net/p/hatari/mailman/hatari-devel/thread/00253a75-4089-4d8a-846e-8d5c0a4899ee%40gmx.net/#msg59242465 He reproduced it with the following small test program: --------------------- 8< ---------------------------------------- WDAGUtilityAccount@9f56fa41-fdda-4d08-96da-76c506c9465a /tmp/sdltest $ cat sdltest.c #include <stdio.h> #include <SDL.h> int main(int arc, char ** argv) { if (SDL_Init( SDL_INIT_VIDEO ) == 0) { printf("SDL_Init succeeded\n"); printf("Calling SDL_Quit()\n"); SDL_Quit(); } return 0; } WDAGUtilityAccount@9f56fa41-fdda-4d08-96da-76c506c9465a /tmp/sdltest $ sdl2-config --version 2.32.56 WDAGUtilityAccount@9f56fa41-fdda-4d08-96da-76c506c9465a /tmp/sdltest $ gcc -g -O1 -o sdltest sdltest.c -I /usr/include/SDL2/ -lsdl2 WDAGUtilityAccount@9f56fa41-fdda-4d08-96da-76c506c9465a /tmp/sdltest $ ./sdltest SDL_Init succeeded Calling SDL_Quit() WDAGUtilityAccount@9f56fa41-fdda-4d08-96da-76c506c9465a /tmp/sdltest $ ./sdltest > out.txt WDAGUtilityAccount@9f56fa41-fdda-4d08-96da-76c506c9465a /tmp/sdltest $ cat out.txt WDAGUtilityAccount@9f56fa41-fdda-4d08-96da-76c506c9465a /tmp/sdltest $ gdb sdltest.exe GNU gdb (GDB) (Cygwin 14.2-1) 14.2 Copyright (C) 2023 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> 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-cygwin". Type "show configuration" for configuration details. For bug reporting instructions, please see: <https://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from sdltest.exe... (gdb) run Starting program: /tmp/sdltest/sdltest.exe [New Thread 7024.0x1918] [New Thread 7024.0x1210] [New Thread 7024.0x1a80] [New Thread 7024.0x18d0] SDL_Init succeeded Calling SDL_Quit() Thread 1 "sdltest" received signal SIGSEGV, Segmentation fault. 0x00000003f96f1020 in ?? () (gdb) bt #0 0x00000003f96f1020 in ?? () #1 0x00007ffb2a577a63 in __call_exitprocs (code=code@entry=0, d=d@entry=0x0) at /usr/src/debug/cygwin-3.6.4-1/newlib/libc/stdlib/__call_atexit.c:123 #2 0x00007ffb2a5356ce in exit (code=0) at /usr/src/debug/cygwin-3.6.4-1/newlib/libc/stdlib/exit.c:60 #3 0x00007ffb2a3d6a98 in cygwin_exit (n=0) at /usr/src/debug/cygwin-3.6.4-1/winsup/cygwin/dcrt0.cc:1238 #4 0x00007ffb2a3d80d4 in dll_crt0_1 () at /usr/src/debug/cygwin-3.6.4-1/winsup/cygwin/dcrt0.cc:1003 #5 0x00007ffb2a3d5d05 in _cygtls::call2 (this=0x7ffffce00, func=0x7ffb2a3d707c <dll_crt0_1(void*)>, arg=0x0, buf=buf@entry=0x7ffffcdf0) at /usr/src/debug/cygwin-3.6.4-1/winsup/cygwin/cygtls.cc:41 #6 0x00007ffb2a3d5dbb in _cygtls::call (func=<optimized out>, arg=<optimized out>) at /usr/src/debug/cygwin-3.6.4-1/winsup/cygwin/cygtls.cc:28 #7 0x0000000000000000 in ?? () (gdb) --------------------- 8< ---------------------------------------- Could someone please have a look? Thanks, Thomas -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
