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Train is lost if auto-servicing is turned on while game is running for several years #3369

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DorpsGek opened this issue Dec 14, 2009 · 12 comments
Closed

Train is lost if auto-servicing is turned on while game is running for several years #3369

DorpsGek opened this issue Dec 14, 2009 · 12 comments
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component: pathfinder This issue is related to Pathfinder flyspray This issue is imported from FlySpray (https://bugs.openttd.org/)

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@DorpsGek
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Quix0r opened the ticket and wrote:

Unfortunately I have erased the savegame, so I need to describe it step-by step:

- First, switch off auto-servicing (e.g. auto-replace old trains) in advanced options
- Switch off failure of vehicles (they have no break downs)
- Start a new game (I choose normal (no temperated, sugar, winter)
- Play the game as usual and layout a centralized network of tracks. This means you have a 'big core' of 4 tracks and only adds smaller tracks to mines, factories, etc.. (I really need to play it again for you for better demonstration...)
- Now, let your trains become very, very old (double time)
- Switch on auto-servicing/auto-replacing of old vehicles.
- All, except trains, will be replaced safely. But some trains will get lost because they head for a depot far away from their regular track they choose to ride
- They will circle next to the depot and cannot head back. :(

My suggestion here would be that auto-servicing should only happen in depots which are on the regular tracks. Good examples (because the train will find back to the regular path) are the station's depots in the listed stations (which you need to add, anyway).

Reported version: trunk
Operating system: Linux

This issue was imported from FlySpray: https://bugs.openttd.org/task/3369
@DorpsGek
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Quix0r wrote:

Please add revision: 18495

This comment was imported from FlySpray: https://bugs.openttd.org/task/3369#comment7049

@DorpsGek
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Rubidium wrote:

Could you make a savegame where we only need to load the savegame to show the problems?

This comment was imported from FlySpray: https://bugs.openttd.org/task/3369#comment7082

@DorpsGek
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Quix0r wrote:

The problem is, that this bug is not easy to reproduce. So I have attached my current savegame. When you load it, it won't happen because auto-servicing is turned ON.

What you have to do (besides praying that the bug will come again) is following:
- Load the game
- Turn off auto-servicing
- Speed up the time (2nd button in top bar)
- Let all become really old (5 to 10 years overdue should be fine)
- Reactivate auto-servicing and watch for lost-messages.

Hope, you can reproduce the bug. :)

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This comment was imported from FlySpray: https://bugs.openttd.org/task/3369#comment7083

@DorpsGek
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Alberth wrote:

Rubidium asked you for a save game that reproduces the problem immediately, not for one where it might happen (we have an infinitely many of those).

I briefly looked at your save game, and there seem to exist (depot) routing problems in it. See the attached picture of a part of Tillyberg Bay East. When a train comes from the direction indicated by the arrow labeled '0' leaves the station, press 'send to depot'. After it stopped in the depot, start it again. There is no rail track to the direction it wants to go. As a result it takes a different route, and it reports a 'lost' message.

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This comment was imported from FlySpray: https://bugs.openttd.org/task/3369#comment7084

@DorpsGek
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Quix0r wrote:

Okay, fixed that. And where is the other screenshot part from? I have all electrified tracks.

This comment was imported from FlySpray: https://bugs.openttd.org/task/3369#comment7085

@DorpsGek
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Rubidium wrote:

It's the same location, just with transparancy (50-ish% and 100%) turned on; you can see a blackish line of the catenary. You can also see that all vehicles are at the exact same place. Not showing the catenary as visible as usually makes it easier to see the actual track and possible defects with it.

This comment was imported from FlySpray: https://bugs.openttd.org/task/3369#comment7086

@DorpsGek
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Quix0r wrote:

Damn. I always mean "autorenew", not auto-servicing... :( :( :(

This comment was imported from FlySpray: https://bugs.openttd.org/task/3369#comment7087

@DorpsGek
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Rubidium wrote:

I've turned of autorenewing and let the game run in fast forward for 30 years. Then I've enables autorenewing and in 5 years not one vehicle was lost.

This comment was imported from FlySpray: https://bugs.openttd.org/task/3369#comment7089

@DorpsGek
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Quix0r wrote:

Hmmm, I had a network that looks like a Q from far distance. Okay, I can try to construct such network, but with a different savegame. I don't want to mess my current one.

This comment was imported from FlySpray: https://bugs.openttd.org/task/3369#comment7090

@DorpsGek
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Rubidium wrote:

Any succes with reproducing it?

This comment was imported from FlySpray: https://bugs.openttd.org/task/3369#comment7177

@DorpsGek
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Quix0r wrote:

Currently, no luck. :( I will report back and (of course) save the game and upload it here.

This comment was imported from FlySpray: https://bugs.openttd.org/task/3369#comment7183

@DorpsGek
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DorpsGek commented Jan 4, 2010

Yexo closed the ticket.

Reason for closing: Unreproducible

Feel free to open a new report if you can reliable reproduce it.

This comment was imported from FlySpray: https://bugs.openttd.org/task/3369

@DorpsGek DorpsGek closed this as completed Jan 4, 2010
@DorpsGek DorpsGek added component: pathfinder This issue is related to Pathfinder flyspray This issue is imported from FlySpray (https://bugs.openttd.org/) bug labels Apr 7, 2018
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