http://bugs.winehq.org/show_bug.cgi?id=26993
--- Comment #5 from tom+bugs.winehq.org@falkensweb.com 2011-05-01 17:12:17 CDT --- "Wine is an user application. It can not lock up X server." Cough.
$ cat /etc/sysctl.d/30-wine.conf # Wine needs to access the bottom 64k of memory in order to launch # 16 bit programs. vm.mmap_min_addr = 0
Just for instance.
Mind you, although I didn't open this bug till I though I could reproduce it, as I was playing today (now with SSH server running so I could capture the crash info) it was stable all afternoon. Ho hum.