#43630: dai_auto_settler_run() gets stuck in recursion which somehow later leads to segfaults
Open Date: 2022-01-15 17:58
Last Update: 2022-01-16 17:07
URL for this Ticket:
https://osdn.net//projects/freeciv/ticket/43630
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Last Changes/Comment on this Ticket:
2022-01-16 17:07 Updated by: lexxie9952
Comment:
Another clue, I have so far never seen this crash in a longturn game which uses our rules. So if it's actionenabler and it's tripping in the checking for unit transported, it's all adding up to cause suspicion for checking this actionenabler req of not being transported, probably.
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Ticket Status:
Reporter: lexxie9952
Owner: (None)
Type: Bugs
Status: Open
Priority: 5 - Medium
MileStone: (None)
Component: (None)
Severity: 5 - Medium
Resolution: None
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Ticket details:
This is connected to several bits of info to know about it...
This line here:
/* Only known way to end in here is that hut turned in to a city
when settler entered tile. So this is not going to lead in any
serious recursion. */
This log here:
: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: Ramiro I: Failed to build city at (63, 31). Reason id: 34
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: Ramiro I: Failed to build city at (64, 31). Reason id: 34
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 2 times
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 2 times (total 4 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 4 times (total 8 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 8 times (total 16 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 16 times (total 32 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 32 times (total 64 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 64 times (total 128 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 128 times (total 256 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 256 times (total 512 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 512 times (total 1024 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 1024 times (total 2048 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 2048 times (total 4096 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 4096 times (total 8192 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 8192 times (total 16384 repeats)
1: in dai_do_build_city() [../../../freeciv/ai/default/aisettler.c::1273]: last message repeated 16384 times (total 32768 repeats)
This stack trace here:
Core was generated by /home/freeciv/freeciv/bin/freeciv-web --debug 1 --port 60 83 --Announce none --e'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x000056436a5ce510 in can_player_see_unit ()
#0 0x000056436a5ce510 in can_player_see_unit ()
#1 0x000056436a3d4f70 in send_unit_info ()
#2 0x000056436a49bdbf in illegal_action ()
#3 0x000056436a49da9e in unit_perform_action ()
#4 0x000056436a4a264b in unit_do_action ()
---Type <return> to continue, or q <return> to quit---
#5 0x000056436a4f9a57 in dai_auto_settler_run ()
#6 0x000056436a4f997a in dai_auto_settler_run ()
#7 0x000056436a4f997a in dai_auto_settler_run ()
#8 0x000056436a4f997a in dai_auto_settler_run ()
#9 0x000056436a4f997a in dai_auto_settler_run ()
#10 0x000056436a4f997a in dai_auto_settler_run ()
#11 0x000056436a4f997a in dai_auto_settler_run ()
#12 0x000056436a4f997a in dai_auto_settler_run ()
#13 0x000056436a4f997a in dai_auto_settler_run ()
#14 0x000056436a4f997a in dai_auto_settler_run ()
#15 0x000056436a4f997a in dai_auto_settler_run ()
#16 0x000056436a4f997a in dai_auto_settler_run ()
#17 0x000056436a4f997a in dai_auto_settler_run ()
...etc... 32751 more times....
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