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IRC log for #minetest-dev, 2014-09-13

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All times shown according to UTC.

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00:45 Megaf_ VanessaE: this is not good *** glibc detected *** ./minetestserver: malloc(): memory corruption (fast): 0xb3235ca7 ***
00:46 * VanessaE shrugs
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01:21 VanessaE realbadangel_: I told you there would be...  complaints :P
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01:37 Megaf_ what if I increase this?
01:37 Megaf_ https://github.com/minetest/mine​test/issues/1608#issue-42121296
01:38 VanessaE you can't.
01:38 VanessaE the limit of the variables used to hold the map coordinates would overflow.
01:38 VanessaE would cause*
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10:57 john_minetest Segfault. Like always: http://pastie.org/pastes/9550414/text
11:20 sol_invictus john_minetest: could you explain how are you doing that backtrace?
11:22 john_minetest It is shown in the commandline.
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11:23 john_minetest sol_invictus: It is shown in the commandline
11:23 john_minetest I don't enter anything. It seems that it is produced automatically somehow.
11:23 sol_invictus so you just compile debug version?
11:23 PenguinDad glibc prints that backtrace iirc
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11:26 sol_invictus I get the segfaults from time to time and I'd like to know if I can do something to help fixing it
11:27 sol_invictus I tried running it with gdb but I have no clue how is this thing working xD
11:35 john_minetest sol_invictus: I get segfaults from time to time. This one appears quite often (about once or twice per day)
11:35 john_minetest Unfortunately I can never backtrace it.
11:36 sol_invictus >about once or twice per day; exactly the same
11:36 PenguinDad john_minetest: that isn't a segfault
11:42 PenguinDad john_minetest: are you using luajit or the bundled lua?
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11:55 john_minetest luajit
11:55 john_minetest but also happens with bundled lua
11:57 john_minetest [14623.008898] minetest[2053]: segfault at 7f53f43ff0f8 ip 00007f53f43ff0f8 sp 00007fffe1abd948 error 15 in libc-2.19.so[7f53f43fe000+2000]
11:57 john_minetest Just got an other error. This time a segfault
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14:18 iqualfragile dear #minetest-dev i have not monitored my server for a while and there was a griefer, to be precise it was a _big time_ griefer, that managed to amass 16042660 changes which i now tried to roll back. suprizingly the minetest rollback system seems not to work too well with my now 1.5GB big rollback.sqlite. When commanding minetest to rollback the actions it simply stops the server and does nothing for quite a while, with quite a
14:18 iqualfragile while being more then 30 minutes after which i lost interest and stopped my minetest client. The server did not seemt to have finished its doing. How do i fix this? (the reason i put this here instead of #minetest is obvious i hope)
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15:04 iqualfragile there is no memory problem, still plenty free
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15:16 VanessaE_ Is there some reason we're still leaving newly-installed mods disabled by default?
15:17 VanessaE_ this is confusing the shit out of new users
15:18 T4im i would guess you would have a lot of questions then why their minetest keeps crashing, because the mod they installed is missing a dependency or has some other problem
15:19 VanessaE_ then check the mods' dependencies, display a warning dialog if they aren't satisfied, auto-disable the mod then.
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15:32 iqualfragile or pull the missing dependencies from the mmdb
15:32 john_minetest HAH!
15:32 john_minetest Finally!
15:32 john_minetest http://pastie.org/pastes/9550870/text
15:32 john_minetest I got this nasty segfault with gdb activated.
15:35 celeron55 too bad that backtrace isn't useful at all 8)
15:35 john_minetest :/
15:35 john_minetest I even built with this semi-debug thing that sfan5 recommended.
15:35 celeron55 a debug version of irrlicht could possibly help
15:36 john_minetest duh
15:41 john_minetest I got it still open in gdb. So if you need any other information that could be found with gdb, just ask me.
15:45 sfan5 you need a debug build of irrlicht
15:45 sfan5 john_minetest: your password is in the backtrace
15:46 sfan5 the problem is: when you have an irrlicht debug build you won't be able to reproduce it
15:46 sfan5 I tried
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16:57 iqualfragile so no idea about that rollback?
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17:03 * Krock doesn't care about rollback yet. until now it worked fine without
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18:13 Krock https://github.com/minetest/minetest/pull/1630
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18:28 john_minetest case-insensitive usernames :S
18:28 john_minetest That's weird.
18:28 john_minetest That's not how unix would do it.
18:32 Krock > unix   minetest is cross-platform
18:33 sfan5 but windows sucks
18:33 Krock thanks, this hurts me
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18:35 john_minetest Unix does it right. Pretty much all of the time
18:37 sol_invictus well, for names it does not make any sense
18:37 john_minetest CoolName =/= CoOlname. The firest one is a "cool name", the other one is a  "co, ol' name". And who wants to be co and ol' ?
18:38 john_minetest Okay, this is maybe a dumb example. But I bet that there is some good example.
18:38 john_minetest Like "MitTeleUropa" (With tele, grand-grandfather) and "Mitteleuropa" (middle europe)
18:38 john_minetest Imagine there would be those nicks on a german server.
18:38 john_minetest Okay, this example is even worse.
18:39 sol_invictus I had a lot of players being confused because they were using different case in their name
18:39 Krock I see what you mean but this is happens rarely
18:39 Krock _very_ rarely
18:43 john_minetest welp
18:43 john_minetest But: how would it work?
18:44 john_minetest would only the lowercase one log in?
18:44 sol_invictus I have 16 herobrines with different case xD
18:44 john_minetest Because the protector mod works case-sensitive.
18:44 john_minetest So if I log in as "herobrine" or "HeRoBrInE" matters.
18:45 VanessaE [09-13 14:41] <Vazon> is it possible to just rotate nodeboxes and not textures ??? it would be so much better with moreblocks and stairs becuase in spots you get texture rotation problems with builds  <--- how about it?  this has been requested numerous times in the recent past.
18:45 sol_invictus yeah, I'm also curious what happens if there are actually two or more active players with same name but different cases?
18:46 john_minetest There will be massive compatibility issues.
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18:51 sol_invictus for me it seems like auth system should be completely reworked with backwards campatibility to allow case insensitive names and yet not break everything
18:51 sol_invictus moust be huge amount of work :D
18:57 sol_invictus I wonder, is there any chance to get minetesn_game pull request merged? I wanted to start working on https://github.com/minetes​t/minetest_game/issues/304
18:58 sol_invictus because if it's frozen, I would not bother
18:58 PenguinDad sol_invictus: minetest_game isn't frozen anymore
19:00 sol_invictus ok, where can I see status next time? is it announced anywhere?
19:15 john_minetest But what do you do with mods like areas?
19:15 john_minetest Will they break or still work?
19:15 john_minetest And what is the actual username in the end?
19:16 john_minetest When I log in as "MitTeleUropa" the first time, will my nick be "mitteleuropa" then? Or MitTeleUropa? And when I log in as "Mitteleuropa", will my nick be "mitteleuropa", "Mitteleuropa" or "MitTeleUropa" ingame then.
19:18 john_minetest Also, what happens when I wrote "MitteleUropa" at registration by accident and realize that I actually wanted "MitTeleUropa"? Usually I would just log out and select the right one. But with case-insensitve ones it isn't correctable, I guess.
19:20 ShadowNinja Grrr, no matter how many times I tell them otherwise people still think that mod security is a huge groundbreaking change that will break most or all mods.
19:21 Krock john_minetest, if my case insensitive pull gets accepted, all _new_ accounts which conflict with an other will get blocked
19:22 Krock john_minetest, the name won't change if you login the first time
19:23 john_minetest But if my fist login was wrong?
19:23 john_minetest If I actually wanted "MitTeleUropa" instead of "MitteleUropa", I can't do anything. Well, it doesn't really matter anyway.
19:24 VanessaE ask the admin to delete the errant account?
19:24 * Krock used a script to remove 10k old player files and none was mad
19:26 Krock ShadowNinja, did you test your changes with some mods?
19:29 ShadowNinja Krock: Of course.  The only ones that needed changes were datastorage(mkdir) and irc(request_insecure_environment).
19:29 VanessaE ShadowNinja: unleash Dreambuilder on it too.  see what breaks.
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19:30 ShadowNinja VanessaE: Eh, can you?  :-)
19:30 VanessaE no :)
19:31 VanessaE (frankly, if I tried I'd most likely overlook something)
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19:33 ShadowNinja VanessaE: It's enabled by default, so you just have to dl it, compile it, run it, and see if it thrown a lua_error.
19:33 ShadowNinja (/LuaError)
19:33 VanessaE you're better at fixing those errors ;)
19:33 * VanessaE <--- lazy
19:34 * Krock would accept ShadowNinja's mod security pull
19:34 VanessaE besides, you already said it breaks datastorage, which I know dreambuilder uses, and irc which of course my servers use
19:34 Krock VanessaE, you can disable the mod security
19:34 VanessaE so it's a moot point anyway until patches for those go in
19:34 ShadowNinja <3 Krock
19:35 VanessaE Krock: I can't tell my users to disable it, 99% won't.
19:35 VanessaE so instead the code has to be fixed to deal with it
19:35 ShadowNinja VanessaE: No, datastorage just needs a simple patch, and the IRC mod needs a patch + being added to secure_trusted_mods.
19:35 Krock VanessaE, disabling means having the current status of security, which is low
19:35 john_minetest It might be easier to just delete all player files without interact than answering people's questions about how they can change their name.
19:35 Amaz Can't you change the setting from the code?
19:35 VanessaE ShadowNinja: secure_trusted_mods...   == FAIL
19:36 VanessaE IRC mod is already hard enough to install
19:36 ShadowNinja Amaz: No, it doesn't let you set anything starting with secure_.
19:36 Krock Amaz, there was a discussion about it and it should be fixed
19:36 Amaz I suppose it would fail it's purpose if it could be changed from the code :P
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