I received the below message on FreeBSD 5.2.1-RELEASE, Wine 20040505 while playing Total Annihilation (non-demo).
err:seh:EXC_DefaultHandling Unhandled exception code c0000005 flags 0 addr 0x0
#0 wine_get_thread_data () at pthread.c:534 534 return NtCurrentTeb()->pthread_data; (gdb) backtrace #0 wine_get_thread_data () at pthread.c:534 #1 0x00111e09 in __pthread_thread_self () at kthread.c:106 #2 0x00111e38 in __errno_location () at kthread.c:121 #3 0x00111e48 in __error () at kthread.c:124 #4 0x2020e406 in .cerror () from /lib/libc.so.5 #5 0x00111f19 in cleanup_thread () at kthread.c:198