SIGSEGV when running two GUI games #155
Description
Saturday Mar 26, 2016 at 17:00 GMT
Originally opened as https://github.com/ulb-infof209/Group5/issues/155
Branch: #148 affd197
The bug occurs when two GUI clients start a game together, gdb says:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffe7fff700 (LWP 10901)]
0x00007ffff5b1588f in _int_malloc (av=av@entry=0x7fffe0000020, bytes=bytes@entry=8) at malloc.c:3326
3326 malloc.c: No such file or directory.
(gdb) bt
#0 0x00007ffff5b1588f in _int_malloc (av=av@entry=0x7fffe0000020, bytes=bytes@entry=8) at malloc.c:3326
#1 0x00007ffff5b184ae in __GI___libc_malloc (bytes=8) at malloc.c:2895
#2 0x00007ffff6103188 in operator new(unsigned long) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#3 0x00007ffff797509d in (anonymous namespace)::getInternalContext () at /home/theo/cpp/Bibliothèques/SFML-master/src/SFML/Window/GlContext.cpp:159
#4 0x00007ffff79753f7 in sf::priv::GlContext::ensureContext () at /home/theo/cpp/Bibliothèques/SFML-master/src/SFML/Window/GlContext.cpp:217
#5 0x00007ffff7977738 in sf::GlResource::GlResource (this=0x7fffe0157050)
at /home/theo/cpp/Bibliothèques/SFML-master/src/SFML/Window/GlResource.cpp:60
#6 0x00007ffff79734e9 in sf::Context::Context (this=0x7fffe0157050) at /home/theo/cpp/Bibliothèques/SFML-master/src/SFML/Window/Context.cpp:60
#7 0x00007ffff79750a8 in (anonymous namespace)::getInternalContext () at /home/theo/cpp/Bibliothèques/SFML-master/src/SFML/Window/GlContext.cpp:159
#8 0x00007ffff79753f7 in sf::priv::GlContext::ensureContext () at /home/theo/cpp/Bibliothèques/SFML-master/src/SFML/Window/GlContext.cpp:217
#9 0x00007ffff7977738 in sf::GlResource::GlResource (this=0x7fffe0157030)
at /home/theo/cpp/Bibliothèques/SFML-master/src/SFML/Window/GlResource.cpp:60
#10 0x00007ffff79734e9 in sf::Context::Context (this=0x7fffe0157030) at /home/theo/cpp/Bibliothèques/SFML-master/src/SFML/Window/Context.cpp:60
#11 0x00007ffff79750a8 in (anonymous namespace)::getInternalContext () at /home/theo/cpp/Bibliothèques/SFML-master/src/SFML/Window/GlContext.cpp:159
#12 0x00007ffff79753f7 in sf::priv::GlContext::ensureContext () at /home/theo/cpp/Bibliothèques/SFML-master/src/SFML/Window/GlContext.cpp:217
#13 0x00007ffff7977738 in sf::GlResource::GlResource (this=0x7fffe0157010)
at /home/theo/cpp/Bibliothèques/SFML-master/src/SFML/Window/GlResource.cpp:60
#14 0x00007ffff79734e9 in sf::Context::Context (this=0x7fffe0157010) at /home/theo/cpp/Bibliothèques/SFML-master/src/SFML/Window/Context.cpp:60
#15 0x00007ffff79750a8 in (anonymous namespace)::getInternalContext () at /home/theo/cpp/Bibliothèques/SFML-master/src/SFML/Window/GlContext.cpp:159
#16 0x00007ffff79753f7 in sf::priv::GlContext::ensureContext () at /home/theo/cpp/Bibliothèques/SFML-master/src/SFML/Window/GlContext.cpp:217
#17 0x00007ffff7977738 in sf::GlResource::GlResource (this=0x7fffe0156ff0)
And then the same functions on the stack again and again, thousand of times.
This occurs in both clients.
The server says that for the game:
Game 0 is starting: testing (127.0.0.1) vs. testing2 (127.0.0.1)
Data received from testing (127.0.0.1)
Data received from testing2 (127.0.0.1)
game n player 1 - Player::setUpGame(true)
game n player 2 - Player::setUpGame(false)
game n player 1 - Player::enterTurn(1)
game n player 1 - Player::resetEnergy([1])
game n player 1 - Player::changeEnergy([0])
game n player 1 - Player::changeHealth([0])
game n player 2 - Player::enterTurn(1)
game n player 2 - Player::resetEnergy([1])
game n player 2 - Player::changeEnergy([0])
game n player 2 - Player::changeHealth([0])
game n player 1 - Player::enterTurn(2)
game n player 1 - Player::resetEnergy([1])
game n player 1 - Player::changeEnergy([0])
game n player 1 - Player::changeHealth([0])