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IRC log for #minetest, 2020-03-23

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All times shown according to UTC.

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15:58 Miniontoby hello
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17:13 thomas_ hello, anybody here that can help me with a debian server always crashing?
17:15 Lone_Wolf Depends. If the crash says 'Closed by the devil' I can't help you
17:15 Lone_Wolf (Could use some more info)
17:17 thomas_ You need debug.txt?
17:17 thomas_ What should I grep for?
17:18 thomas_ Maybe the reason is that I had some older Mods, but now everything is up to date. Could this be the reason? Do I have to create a new world?
17:22 Lone_Wolf I guess crash it and give me any error you see at the bottom of the debug.txt
17:26 thomas_ https://kgkemnat.ocloud.de/index.php/s/c8iYDKRX6yctB46
17:26 thomas_ here is a big part of the debug.txt
17:26 thomas_ it crashed twice this afternoon
17:31 Lone_Wolf 2020-03-23 17:42:51: [Main]: INFO: signal_handler(): got SIGTERM, shutting down.
17:31 Lone_Wolf That's all I can see in there
17:31 Lone_Wolf No errors or warnings AFAIK
17:31 Lone_Wolf I forget what that means
17:32 Lone_Wolf Ah
17:33 Lone_Wolf @thomas_: Something killed your minetest process
17:33 thomas_ that was me when it did'nt work anymore
17:33 thomas_ but before there is no message
17:34 thomas_ sometimes You get in ERROR in a mod with a line ... nothing ...
17:34 Lone_Wolf Could you post one of those errors?
17:34 thomas_ Do You have experience with a debian server?
17:35 Lone_Wolf Nope, I've done Ubuntu ones though, I don't think there's much difference considering it's a Minetest crash
17:35 thomas_ something like that 2020-03-17 18:43:42: ERROR[Main]: /usr/share/games/minetest/builtin/common/vector.lua:134: in function 'divide'
17:35 Lone_Wolf hah
17:35 Lone_Wolf Do you have the rest of that?
17:36 thomas_ 2020-03-17 18:43:42: ERROR[Main]: /home/minetest/.minetest/mods/warps/init.lua:143: in function 'warp_queue_add'
17:36 thomas_ 2020-03-17 18:43:42: ERROR[Main]: /home/minetest/.minetest/mods/warps/init.lua:291: in function </home/minetest/.minetest/mods/warps/init.lua:276>
17:36 thomas_ but the mod warps isn't used any more.
17:36 Lone_Wolf I think it is
17:37 thomas_ I started a new world, but we copied some buildings with worldedit schems
17:39 Lone_Wolf CD to your world dir and 'grep -R warps'
17:40 thomas_ ok, one moment
17:40 thomas_ Binary file rollback.sqlite matches
17:40 thomas_ world.mt:load_mod_warps = false
17:40 Lone_Wolf huh
17:42 Lone_Wolf Well I'm stumped
17:42 thomas_ this is how I start it
17:42 thomas_ nohup /usr/games/minetest --server --world /home/minetest/.minetest/worlds/3coronawelt/ --config /home/minetest/.minetest/worlds/3coronawelt/minetest.conf &
17:42 thomas_ Usually it works.
17:43 Lone_Wolf And you can tell it's doing the right world?
17:44 Lone_Wolf Unless that's an old error I'm stumped
17:45 sfan5 thomas_: can you locate a file called nohup.out?
17:45 sfan5 if yes, that should contain the log output
17:45 thomas_ yes, I have that
17:46 sfan5 anything in there that's not already in debug.txt?
17:46 thomas_ No, I dont think.
17:47 sfan5 hm
17:47 thomas_ somebody wants to come to my server and check whats wrong?
17:47 sfan5 try dmesg -T | grep minetest and see if a segfault shows up in there
17:47 sfan5 also which version are you running?
17:47 thomas_ I had mods that were not up to date.
17:48 thomas_ I used them with that world, then updated them, for example areas. Can that be the reason?
17:49 thomas_ dmesg: shows nothing as output (root)
17:50 thomas_ I'm using buster backports
17:52 thomas_ Minetest 5.1.1 (Linux)
17:52 thomas_ Using Irrlicht 1.8.4
17:52 thomas_ BUILD_TYPE=None
17:52 thomas_ RUN_IN_PLACE=0
17:52 thomas_ USE_GETTEXT=1
17:52 thomas_ USE_SOUND=1
17:52 thomas_ USE_CURL=1
17:52 thomas_ USE_FREETYPE=1
17:52 thomas_ USE_LUAJIT=1
17:52 thomas_ STATIC_SHAREDIR="/usr/share/games/minetest"
17:52 thomas_ Maybe it's an Irrlicht Problem?
17:53 thomas_ @sfan5, do you want to come to my server with ssh to check whats wrong? We want to do a minetest project during corona times for students and teachers.
17:53 sfan5 hmm, shouldn't be, the server doesn't use irrlicht at all
17:53 thomas_ ah, ok
17:53 sfan5 sure I could take a look
17:54 sfan5 though I prefer troubleshooting over irc
17:54 thomas_ ok
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17:55 thomas_ what else should I check?
17:56 thomas_ is the mail mod still working? It's a bit outdated.
17:56 sfan5 my next idea would be to run the server in gdb and without nohup
17:56 sfan5 and see if/when it crashes
17:56 thomas_ how can I do that?
17:57 sfan5 gdb --args /usr/games/minetest --server --world /home/minetest/.minetest/worlds/3coronawelt/ --config /home/minetest/.minetest/worlds/3coronawelt/minetest.conf
17:57 sfan5 then enter "run" as a command
17:57 thomas_ ok, Ill try that.
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18:02 thomas_ @sfan5, ok, now running under dbg
18:02 thomas_ [Thread 0x7ffff20db700 (LWP 26443) exited]
18:03 sfan5 if it actually crashes there will be a message that says something similar to "Program terminated with signal SIGSEGV, Segmentation fault."
18:03 thomas_ pvp_protect ist ausgeschaltet
18:04 thomas_ can I logout and it will continue?
18:04 thomas_ pvp_protect is off ...
18:04 sfan5 you can't
18:04 thomas_ no problem. Let's see, when i will happen again.
18:04 thomas_ Can I use dbg with nohup?
18:05 sfan5 don't think so
18:05 sfan5 but you can run it inside screen
18:06 sfan5 (https://wiki.ubuntuusers.de/Screen/)
18:07 thomas_ ok
18:08 thomas_ What is the best way to automatically restart the server when it crashes?
18:08 sfan5 a systemd service
18:09 thomas_ I tried that but did'nt make it. Is there a good guide somewhere?
18:10 Lone_Wolf I didn't have much trouble
18:10 Lone_Wolf I think I just googled 'how to make a systemd service'
18:11 Lone_Wolf Think it was set up to run an ssh file
18:11 sfan5 you can also use a bash script that runs the server in a loop, that's simpler
18:12 thomas_ Do you have a good example?
18:13 thomas_ I found some in the forum, but they seemed too complicated for me.
18:14 sfan5 https://0x0.st/iaUo.txt
18:15 sfan5 since that doesn't use nohup I suggest running that script inside screen
18:15 sfan5 then you can watch the output too
18:15 thomas_ thank you!
18:16 thomas_ [New Thread 0x7ffff18da700 (LWP 26616)]
18:16 thomas_ [Thread 0x7ffff18da700 (LWP 26616) exited]
18:16 thomas_ Is it normal, that threads are exiting?
18:16 Krock yes it is
18:16 Krock might be a startup-only thread, mapgen thread or whatever
18:17 Krock as long Minetest still runs it's fine. You'd get a message if it stopped working
18:17 thomas_ ok
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18:30 thomas_ 2020-03-23 19:28:39: WARNING[Server]: Assignment to undeclared global "path" inside a function at /home/minetest/.minetest/mods/wiki/wikilib.lua:74.
18:30 thomas_ Is the wiki mod not working any more? But the server is still working ...
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18:33 sfan5 that's just a warning
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20:59 MinetestBot [git] dcbrwn -> minetest/minetest: Fix incorrect light updates for wielditem and item visuals (#9540) f3032a6 https://git.io/JvyBZ (2020-03-23T20:57:44Z)
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22:14 Andrey01 Hello, why do I get a warning: "Invalid use of label without a size[] element", although I actually set that element?
22:16 DS-minetest the size element has to be used before any other element (apart from formspec_version)
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22:23 Andrey01 I do so: https://pastebin.com/VBvTnRPQ
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22:24 DS-minetest real_coordinates must not be before size
22:24 DS-minetest afaik
22:25 DS-minetest (and you don't have to enable them manually in fs version 3)
22:25 Andrey01 It will not fix the problem if swap them
22:26 DS-minetest first fs version, then size, then label
22:26 DS-minetest real_coordinates can be between size and label
22:27 DS-minetest oh, and maybe remove that space after the comma in size
22:27 Andrey01 Why should it be removed?
22:28 DS-minetest maybe the number can't be parsed correctly with the space
22:28 Andrey01 I`ll try now
22:32 Andrey01 I`ve removed the indent between X, Y and it changes nothing
22:33 DS-minetest do other elements work?
22:33 Andrey01 Also, it displays wrong text on label ("Proceed") instead "Select a vacant seat inside the vehicle below:"
22:34 DS-minetest that sounds like the simple field formspec
22:34 DS-minetest is there a text field?
22:35 DS-minetest could you repost what your formspec string is now?
22:35 Andrey01 Do you mean field element?
22:35 Andrey01 Yes, of course
22:38 Andrey01 https://pastebin.com/cme59yar
22:38 DS-minetest put real_coordinates after size
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22:40 Andrey01 All the same happens
22:41 DS-minetest where are you using the formspec?
22:41 DS-minetest (if you set it as meta on node create, make sure you place a new node)
22:42 Andrey01 After clicking the object it calls minetest.show_formspec
22:45 Andrey01 May I paste the whole code? This is code library
22:45 DS-minetest sure, show a link
22:46 DS-minetest I've tried to reproduce with the formspec, but was not able to see anything unexpected
22:46 DS-minetest and field is drawn
22:48 Andrey01 https://pastebin.com/svb0VPtj
22:49 DS-minetest which line is do you open the fs?
22:49 DS-minetest 99?
22:50 Andrey01 The open function starts from 70 line
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22:51 Andrey01 And it`s called on line 54 in on_rightclick
22:52 DS-minetest does it work if you comment out line 96?
22:54 Andrey01 No
22:54 DS-minetest btw. string.format would make your code more readable ;) http://www.lua.org/manual/5.1/manual.html#pdf-string.format
22:55 DS-minetest and indent with tabs!
22:56 DS-minetest what is your minetest version=
22:56 DS-minetest ?
22:56 Andrey01 What are tabs?
22:56 DS-minetest tabulaors
22:56 DS-minetest \t
22:57 DS-minetest these things:
22:57 Andrey01 5.0.0.23, I use Android version
22:57 DS-minetest
22:57 * DS-minetest wonders what that 23 is...
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23:00 DS-minetest hm, 5.0 does not yet have formspec_version
23:00 Andrey01 It`s ended with '23' digits
23:00 Andrey01 You can look at Google Play in the description
23:01 DS-minetest btw. are you really modding in android?! O_o
23:01 Andrey01 Yes :)
23:01 DS-minetest oh god
23:01 Andrey01 Of course, it`s not completely convenient
23:02 Andrey01 Unlikely as on the desktop
23:03 DS-minetest try using only formspec elements that work for your version: no formspec_version
23:04 Andrey01 Probably will I need to erase 'real_coordinates', either?
23:05 DS-minetest maybe
23:05 DS-minetest but new elements don't hurt normally
23:05 DS-minetest (real_coordinates is added automatically somewhere in old versions)
23:07 Andrey01 Really, it will get worked! Thanks!
23:07 DS-minetest you're welcome
23:07 DS-minetest !next
23:07 MinetestBot Another satisfied customer. Next!
23:08 DS-minetest but update minetest and switch to pc with linux!
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