http://bugs.winehq.org/show_bug.cgi?id=9672 --- Comment #24 from Ralph Little <littlesincanada(a)yahoo.co.uk> 2011-05-12 19:08:26 CDT --- Created an attachment (id=34670) --> (http://bugs.winehq.org/attachment.cgi?id=34670) Trace file Tracing through what is happening, the problem seems to be manifesting in the DirectDraw implementation. The Sims calls CreateSurface() with DDSD->dwFlags & DDSD_PIXELFORMAT set to state that a pixformat is specified in u4.ddpfPixelFormat, but no optional flags are set in the pixelformat u4.ddpfPixelFormat.dwFlags [DDPIXELFORMAT]. The function PixelFormat_DD2WineD3D uses this to determine the proper WINE3D pixformat implementation. It does not cope with what I presume is the default situation of no flags having been set, the value being 0. I'm thinking that if you provide 0 for u4.ddpfPixelFormat.dwFlags, you get some basic default, but I don't know what that would be. Certainly, The Sims seems to be providing zero for this parameter. Any ideas what is the proper behaviour in this circumstance? I presume the crash is the game's inability to handle the failure of the surface create gracefully. Attached is the relevant trace fragment (with my bit of debug "pixelformat given, flags = 0" added): ==== I have sent this request for information to wine-devel but I have copied it here so that people know what is going on. -- Configure bugmail: http://bugs.winehq.org/userprefs.cgi?tab=email Do not reply to this email, post in Bugzilla using the above URL to reply. ------- You are receiving this mail because: ------- You are watching all bug changes.