Minetest doesn't play world! Lubuntu [SOLVED]

stockbs
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Minetest doesn't play world! Lubuntu [SOLVED]

by stockbs » Thu Aug 29, 2019 10:22

Linux Lubuntu.

I reach the Minetest main window, I select my newly created world, I click on Play, I see the loading bar (with cloud background) and it reaches "Done!", then the window closes and nothing happen.


~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.6 LTS
Release: 16.04
Codename: xenial


Log =verbose:
Automatically selecting world at [/home/aaa/.minetest/worlds/Xxx]
2019-08-29 11:30:34: ACTION[main]: .__ __ __
2019-08-29 11:30:34: ACTION[main]: _____ |__| ____ _____/ |_ ____ _______/ |_
2019-08-29 11:30:34: ACTION[main]: / \| |/ \_/ __ \ __\/ __ \ / ___/\ __\
2019-08-29 11:30:34: ACTION[main]: | Y Y \ | | \ ___/| | \ ___/ \___ \ | |
2019-08-29 11:30:34: ACTION[main]: |__|_| /__|___| /\___ >__| \___ >____ > |__|
2019-08-29 11:30:34: ACTION[main]: \/ \/ \/ \/ \/
2019-08-29 11:30:34: ACTION[main]: World at [/home/aaa/.minetest/worlds/Xxx]
2019-08-29 11:30:34: ACTION[main]: Server for gameid="minetest" listening on 0.0.0.0:65020.
2019-08-29 11:30:36: ACTION[ServerThread]: singleplayer [127.0.0.1] joins game.
2019-08-29 11:30:36: ACTION[ServerThread]: singleplayer joins game. List of players: singleplayer
Last edited by stockbs on Mon Sep 02, 2019 07:06, edited 1 time in total.
 

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Re: Minetest doesn't play world! Lubuntu

by Miniontoby » Thu Aug 29, 2019 17:02

Can you list your enabled mods in that world.
My English isn't very good because I'm Dutch ---- Check my mod "Doorbell"
 

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Re: Minetest doesn't play world! Lubuntu

by stockbs » Thu Aug 29, 2019 19:01

Mods are separated software to be downloaded+installed to add new features, right?

I didn't downloaded nor installed any mod. It's a freshly installed Minetest. The list of mods is empty.
 

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Re: Minetest doesn't play world! Lubuntu

by Miniontoby » Fri Aug 30, 2019 12:48

Wich minetest version do you use
My English isn't very good because I'm Dutch ---- Check my mod "Doorbell"
 

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Re: Minetest doesn't play world! Lubuntu

by Krock » Fri Aug 30, 2019 16:48

Open a terminal and enter the lines as follows:
Code: Select all
gdb minetest
r
# join your world
# wait for crash
bt
# crash info is here. copy to a new post (code tags btw)


PS: Also check minetest --version. Anything lower than 5.* is outdated.
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Re: Minetest doesn't play world! Lubuntu

by stockbs » Fri Aug 30, 2019 22:16

minetest --version

Minetest 0.4.13
Using Irrlicht 1.8.3
Build info: VER=0.4.13 BUILD_TYPE=None RUN_IN_PLACE=0 USE_GETTEXT=1 USE_SOUND=1 USE_CURL=1 USE_FREETYPE=1 USE_LUAJIT=1 STATIC_SHAREDIR="/usr/share/games/minetest"

It is the version downloaded and installed with apt-get install minetest. If it is (0.x <<<<<<<< 5.x !!!) outdated give to lubuntu crew an hint to update it please.

gdb not found, I installed it.
bt not found, I don't know what packet I have to install.
r not found, I receive a suggestion to install r-cran-littler packet but I cannot because i cannot connect to it.archive.ubuntu.com... I can try tomorrow if you think it's usefull.
 

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Re: Minetest doesn't play world! Lubuntu

by Emerald » Fri Aug 30, 2019 23:54

You can get the latest stable version from the PPA here. https://launchpad.net/~minetestdevs/+ar ... ntu/stable

You can also get minetest as a snap or flatpak if you prefer.
 

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Re: Minetest doesn't play world! Lubuntu

by Krock » Sat Aug 31, 2019 08:22

So, if "gdb" is a valid command now: run it using the lines I specified above. "bt" and "r" are commands for the gdb command line only.
r = run
bt = stack backtrace

The PPA above is a good choice, try it.
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Re: Minetest doesn't play world! Lubuntu

by stockbs » Sun Sep 01, 2019 19:29

Removed old version 0.4.x.
Installed new stable version from the suggested PPA.
Minetest still crashes.
Now I'm doing the gdb thing, stay tuned.
 

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Re: Minetest doesn't play world! Lubuntu

by stockbs » Sun Sep 01, 2019 19:37

Starting program: /usr/bin/minetest
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
2019-09-01 21:25:08: [Main]: Automatically selecting world at [/home/nomeutente/.minetest/worlds/Elisalagrande]
[New Thread 0xb607fb40 (LWP 4808)]
[New Thread 0xb607fb40 (LWP 4809)]
[Thread 0xb607fb40 (LWP 4808) exited]
[New Thread 0xad6feb40 (LWP 4810)]
[New Thread 0xa86a3b40 (LWP 4813)]
[New Thread 0xa7e82b40 (LWP 4814)]
[New Thread 0xa7661b40 (LWP 4815)]
[New Thread 0xa6e40b40 (LWP 4816)]
Loaded texture: /usr/share/minetest/games/minetest_game/menu/header.png
Loaded texture: /usr/share/minetest/games/minetest_game/menu/icon.png
Loaded texture: /usr/share/minetest/games/minimal/menu/icon.png
[Thread 0xa86a3b40 (LWP 4813) exited]
[Thread 0xa7e82b40 (LWP 4814) exited]
[Thread 0xa7661b40 (LWP 4815) exited]
[Thread 0xa6e40b40 (LWP 4816) exited]
[New Thread 0xa6e40b40 (LWP 4824)]
[New Thread 0xa7661b40 (LWP 4825)]
[New Thread 0xa7e82b40 (LWP 4826)]
.__ __ __
_____ |__| ____ _____/ |_ ____ _______/ |_
/ \| |/ \_/ __ \ __\/ __ \ / ___/\ __\
| Y Y \ | | \ ___/| | \ ___/ \___ \ | |
|__|_| /__|___| /\___ >__| \___ >____ > |__|
\/ \/ \/ \/ \/
2019-09-01 21:25:22: ACTION[Main]: World at [/home/nomeutente/.minetest/worlds/Elisalagrande]
2019-09-01 21:25:22: ACTION[Main]: Server for gameid="minetest" listening on 0.0.0.0:61845.
[New Thread 0xa86a3b40 (LWP 4827)]
[New Thread 0xa4f9fb40 (LWP 4828)]
[New Thread 0xa369cb40 (LWP 4829)]
[New Thread 0xa245bb40 (LWP 4835)]
2019-09-01 21:25:27: ACTION[Server]: singleplayer [127.0.0.1] joins game.
2019-09-01 21:25:27: ACTION[Server]: singleplayer joins game. List of players: singleplayer
2019-09-01 21:25:27: WARNING[Main]: Client side scripting is disabled by client.
[New Thread 0xa1c5ab40 (LWP 4836)]

Thread 1 "minetest" received signal SIGSEGV, Segmentation fault.
0xb1869200 in ?? ()
(gdb) bt
#0 0xb1869200 in ?? ()
#1 0xacb08ebc in ?? () from /usr/lib/i386-linux-gnu/dri/r300_dri.so
#2 0xacb0941f in ?? () from /usr/lib/i386-linux-gnu/dri/r300_dri.so
#3 0xaca18e39 in ?? () from /usr/lib/i386-linux-gnu/dri/r300_dri.so
#4 0xaca11573 in ?? () from /usr/lib/i386-linux-gnu/dri/r300_dri.so
#5 0xaca11b47 in ?? () from /usr/lib/i386-linux-gnu/dri/r300_dri.so
#6 0xacc47f49 in ?? () from /usr/lib/i386-linux-gnu/dri/r300_dri.so
#7 0xacc49f32 in ?? () from /usr/lib/i386-linux-gnu/dri/r300_dri.so
#8 0xaca57fe4 in ?? () from /usr/lib/i386-linux-gnu/dri/r300_dri.so
#9 0xacc498c3 in ?? () from /usr/lib/i386-linux-gnu/dri/r300_dri.so
#10 0xaca5a6f6 in ?? () from /usr/lib/i386-linux-gnu/dri/r300_dri.so
#11 0xacc3d84f in ?? () from /usr/lib/i386-linux-gnu/dri/r300_dri.so
#12 0xac8163fc in ?? () from /usr/lib/i386-linux-gnu/dri/r300_dri.so
#13 0xac661b31 in ?? () from /usr/lib/i386-linux-gnu/dri/r300_dri.so
#14 0xb7d1d25e in irr::video::COpenGLDriver::clearBuffers(bool, bool, bool, irr::video::SColor) () from /usr/lib/i386-linux-gnu/libIrrlicht.so.1.8
#15 0xb7d1d5b0 in irr::video::COpenGLDriver::clearZBuffer() ()
from /usr/lib/i386-linux-gnu/libIrrlicht.so.1.8
#16 0x0813817b in Camera::drawWieldedTool(irr::core::CMatrix4<float>*) ()
#17 0x081cfe19 in RenderingCore::draw3D() ()
#18 0x081d0f8e in RenderingCorePlain::drawAll() ()
#19 0x0818dffb in Game::updateFrame(ProfilerGraph*, RunStats*, float, CameraOrientation const&) ()
---Type <return> to continue, or q <return> to quit---
#20 0x08191534 in Game::run() ()
#21 0x08192031 in the_game(bool*, bool, InputHandler*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned short, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, ChatBackend&, bool*, SubgameSpec const&, bool) ()
#22 0x08153143 in ClientLauncher::run(GameParams&, Settings const&) ()
#23 0x08131c55 in main ()
(gdb) q
A debugging session is active.

Inferior 1 [process 4804] will be killed.

Quit anyway? (y or n)
 

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Re: Minetest doesn't play world! Lubuntu

by Krock » Sun Sep 01, 2019 19:59

Oh wait, I know this one from my R300 Radeon GPU (laptop). Mesa3d had a bug in the processing pipeline regarding llvm or something like that. I can no longer find the link to the report, but updating Mesa to a recent version did the trick. I compiled it from source, but newer releases should contain that fix.

If that does not help for you, I can only suggest to look out for another graphics driver (if there's any).

EDIT: If needed, I'll check the modification date and Mesa version on my laptop later. Commenting out the clearZBuffer lines (there's also one in sky) would also be possible to get Minetest to run.
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Re: Minetest doesn't play world! Lubuntu

by stockbs » Sun Sep 01, 2019 21:38

I tried to update Mesa driver with no results, I'm still at 18.0.5 version. Now I'm tring to update all the distro, it will take time, and then again to update Mesa.
 

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Re: Minetest doesn't play world! Lubuntu

by stockbs » Mon Sep 02, 2019 07:06

It works! I upgraded the Lubuntu/Ubuntu distro, now I have the 19.0.8 Mesa version and Minetest works. It is incredibly slow, with 0..1 FPS (the laptop is quite old) but it works.

Solved, thank you.
 

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Re: Minetest doesn't play world! Lubuntu [SOLVED]

by Emerald » Mon Sep 02, 2019 08:08

What are the specs of your laptop? Have you tried turning down your view range and graphics settings? At one point I was playing minetest on a Pentium 4 with 1GB RAM, running Lubuntu. It was kinda painful.
 

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Re: Minetest doesn't play world! Lubuntu [SOLVED]

by Krock » Mon Sep 02, 2019 16:21

I just saw you have the same or very similar graphics card as me (r300_dri.so). If you:
1) disable the stars in the sky
2) disable the wielded item draw code
3) lower the view range below 20
4) and set the near_plane to 0.5 or higher

you could get up to 12 FPS in a simple forest. I wrote and tested an NPC mod using this hardware, but playing serious isn't possible. Blame ATI/AMD for dropping their old driver binaries, it feels entirely software-rendered by now. Using Windows Vista or XP could actually result in better FPS - I got around 25 somewhere around Minetest 0.4.15 but cannot test it any more: moving its partition using gparted broke the OS.
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