I tried running BF2 in windowed mode, and got this error message (or similar - couldn't copy + paste the text directly, so I wrote down what looked the most important parts) when Luttich 64 crashed:
Debug assertion failed in input.h line 191
1 SetInput out of range: PINone max 64
The game ran for over 30 minutes before the crash occurred (I was beginning to wonder if I hadn't fixed the problem somehow - no such luck...). It looks like the CTD has something to do with the control input parameters for the AI, but I'm not sure where this problem is.
Goodwood 64 doesn't give any sort of error message in windowed mode, it just crashes straight to the desktop. This suggests the CTD issue on this map is nothing to do with the Luttich one.
Another question to anyone who's used this version of the minimod: Have you ever seen bots using the MG42 or MG34 "Lafette" mounts? I don't think I have so far (even during heavy fighting in Mortain), and I was wondering if this might be an alternative cause for the crash on Luttich. If an object's AI files are incorrectly defined, it can cause the game to crash when bots (not human players) use it - I found this when I tried setting all mobile AT guns to be "Fixed" to prevent bots attempting to move them about.
I haven't seen an AI manned mortar fire in 1.1 either, they do traverse and track targets as if trying to fire.
All mortars are fixed in the current version (not yet released) and can fire as well as aim. I've also raised the viewing point slightly so bots can (I think) see over walls, sandbags, buildings and other small objects blocking their LOS, but I've found that raising it too much (enough to get a really good view of the battlefield) causes the mortar object to "block" spawn points. I suspect there's a workaround for this, though (possibly disabling collision physics on the camera?)
Still not much success with howitzers, the only time I've ever seen one fire is the 25pdr on Supercharge firing at German tanks that get too near the British main base.
Unfortunately, bots can't fire artillery at spotted positions and probably never will be able to - the artillery spotting system in FH2 is almost entirely added via external Python scripting, so the BF2 AI can't recognise or make use of it.