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[TV4Fun]

So a dragon came and attacked my fortress a little while ago. It vaporized the front gate and wandered inside, where it destroyed many of my stockpiles and workshops, melted many of my dwarves and guests, and made very short work of the soldiers I sent to try and kill it. It is still alive and still inside the fortress, but the soldiers were able to basically immobilize it and I have walled it off. In the future, I may experiment with throwing vampires down to it as a Fun alternative to incarceration. Anyway, even though it has been quite a few months since the dragon was out and about, there are still large clouds of smoke inside my fortress that seem to be self-sustaining and reproducing. Does anyone know what I can do about these?

[☼Another☼]

Press "t" and move the cursor to the workshops. Whatever is flaming will have "!!" around it. For example a flaming dwarf would be !!Urist!!. That should help diagnose the problem. Certain things will burn for up to a year, and artifacts will burn forever, since they can't be destroyed. The only real solution is to douse it in water.

[YetAnotherLurker]

Sounds like you've got some !!lignite!! or !!Furniture!! at the center of those smoke clouds, check the area with t/k.

Flood the area and it should fix the problem. Using water, mind, not magma.

[Thisfox]

t/k do work to solve the problem.I found once that my smoke-causers was a row of !!rottenreindeercheese!! in the stairwell.... Eventually I had to wall around the endlessly burning cheeses, and make an alternate staircase to continue my fortress.

Artifacts won't necessarily go out when you put them in water. For example, an attempt at a self-cleaning fire-and-water well: "Building a !!well!! was a terrible idea..."

[imperium3]

For example, an attempt at a self-cleaning fire-and-water well: "Building a !!well!! was a terrible idea..."

Oh man, that thread was a trip down memory lane. So many of the old regulars... Sphalerite, Girlinhat, Urist Imiknorris, Necro910... We shall not see their like again.

Sphalerite was the one who did the Sea Serpent farm, Girlinhat started the dwarven childcare project, Necro was just really obsessed with magma.

[Skorpion]

Smoke is generated from burning objects. I nearly lost a fort to that once; artifacts don't take damage, so a quiver just burned and burned and burned until I managed to extinguish it with a pond zone.

I would highly suggest just flooding the area, if there's a dragon been through. Maybe even drown the scaly bastard.

[TV4Fun]

So I have 3 persistent clouds of smoke in my fortress that seem disconnected from each other. In one of them I was able to locate a burning parchment scroll which I am going to try designating as a pond to see if that fixes anything. I haven't found anything on fire in the others, but will try dousing them with water anyway. Maybe the ceiling is on fire or something.

Edit: On closer inspection, I have several things, including two artifacts, that are not marked as !!on fire!! but have a temperature above 10,000U, which I believe qualifies as very hot. This is probably the source of the problem. Also, making a pond for them will be tricky, as they are not over open space. Also just flooding the space where they occupy will be tricky as I don't have a good way to drain the area they occupy, but I'll let you know what I figure out.

[Quietust]

Edit: On closer inspection, I have several things, including two artifacts, that are not marked as !!on fire!! but have a temperature above 10,000U, which I believe qualifies as very hot.

Saying a temperature value is "above 10000" is meaningless, because 10000 is 32°F (0°C), the freezing point of water, and 10015 is 47°F (8.3°C), which is room temperature underground. Values don't start to get "hot" until they're above 10148 (boiling point of water), and magma has a temperature of 12000.

[TV4Fun]

Edit: On closer inspection, I have several things, including two artifacts, that are not marked as !!on fire!! but have a temperature above 10,000U, which I believe qualifies as very hot.

Saying a temperature value is "above 10000" is meaningless, because 10000 is 32°F (0°C), the freezing point of water, and 10015 is 47°F (8.3°C), which is room temperature underground. Values don't start to get "hot" until they're above 10148 (boiling point of water), and magma has a temperature of 12000.

Well it was actually about 380°C.

[Skorpion]

So I have 3 persistent clouds of smoke in my fortress that seem disconnected from each other. In one of them I was able to locate a burning parchment scroll which I am going to try designating as a pond to see if that fixes anything. I haven't found anything on fire in the others, but will try dousing them with water anyway. Maybe the ceiling is on fire or something.

Edit: On closer inspection, I have several things, including two artifacts, that are not marked as !!on fire!! but have a temperature above 10,000U, which I believe qualifies as very hot. This is probably the source of the problem. Also, making a pond for them will be tricky, as they are not over open space. Also just flooding the space where they occupy will be tricky as I don't have a good way to drain the area they occupy, but I'll let you know what I figure out.

Make a pond OVER them. Dig out the space above, channel down, pond zone at the channel.

[TV4Fun]

So I eventually used DFHack to create water over the offending items. I don't really consider this cheating as it's more correcting a bug. The smoke was seriously killing my framerate.