I started using Linux Mint two months ago, as that was the recommendation my friend has given me when I had finally decided to abandon Windows 10 (Yes, I'm a Linux noob ). Everything works great except... well, Minecraft. It lags so much that the game is unplayable. This is weird, because apart from many vanilla versions of the game I've also played many modded servers and I have never experienced any lag that would make my character move 1 frame-per-second. I have read many discussions here and managed to edit game-specified JVM arguments in order to increase memory allocation from 2 GB to 4 GB. It helped a little, but that's it. My game is still unable to go above 5 FPS. The version of Minecraft in question is 1.20.1., vanilla, no mods, texture packs, shaders, etc. I'm using the official Minecraft Launcher, which I installed via Software Manager. Here are my laptop specifications:
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System: Kernel: 5.4.0-171-generic x86_64 bits: 64 compiler: gcc v: 9.4.0
Desktop: Cinnamon 5.2.7 wm: muffin dm: LightDM Distro: Linux Mint 20.3 Una
base: Ubuntu 20.04 focal
Machine: Type: Laptop System: TOSHIBA product: SATELLITE C55-C v: PSCP6E-015019Y4
serial: <filter>
Mobo: FF50 model: 06F5 v: Type2 - Board Version serial: <filter> UEFI: INSYDE v: 5.40
date: 03/28/2016
CPU: Topology: Quad Core model: Intel Pentium N3700 bits: 64 type: MCP arch: Airmont rev: 3
L2 cache: 1024 KiB
flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 12800
Speed: 584 MHz min/max: 480/2400 MHz Core speeds (MHz): 1: 706 2: 681 3: 1309 4: 1499
Graphics: Device-1: Intel Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Integrated Graphics
vendor: Toshiba driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:22b1
Display: x11 server: X.Org 1.20.13 driver: modesetting unloaded: fbdev,vesa
resolution: 1366x768~60Hz
OpenGL: renderer: Mesa DRI Intel HD Graphics 405 (BSW) v: 4.6 Mesa 21.2.6 compat-v: 3.0
direct render: Yes
Audio: Device-1: Intel Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series High
Definition Audio
vendor: Toshiba driver: snd_hda_intel v: kernel bus ID: 00:1b.0 chip ID: 8086:2284
Sound Server: ALSA v: k5.4.0-171-generic
Network: Device-1: Broadcom and subsidiaries BCM43142 802.11b/g/n vendor: Lite-On driver: wl
v: kernel port: 2040 bus ID: 01:00.0 chip ID: 14e4:4365
IF: wlp1s0 state: up mac: <filter>
Device-2: Realtek RTL810xE PCI Express Fast Ethernet vendor: Toshiba driver: r8169
v: kernel port: 1000 bus ID: 02:00.0 chip ID: 10ec:8136
IF: enp2s0 state: down mac: <filter>
Drives: Local Storage: total: 476.94 GiB used: 24.45 GiB (5.1%)
ID-1: /dev/sda vendor: Silicon Power model: SPCC Solid State Disk size: 476.94 GiB
speed: 6.0 Gb/s serial: <filter>
Partition: ID-1: / size: 467.89 GiB used: 24.44 GiB (5.2%) fs: ext4 dev: /dev/sda2
Sensors: System Temperatures: cpu: 54.0 C mobo: N/A
Fan Speeds (RPM): N/A
Repos: No active apt repos in: /etc/apt/sources.list
Active apt repos in: /etc/apt/sources.list.d/linrunner-tlp-focal.list
1: deb http: //ppa.launchpad.net/linrunner/tlp/ubuntu focal main
Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list
1: deb http: //packages.linuxmint.com una main upstream import backport #id:linuxmint_main
2: deb http: //archive.ubuntu.com/ubuntu focal main restricted universe multiverse
3: deb http: //archive.ubuntu.com/ubuntu focal-updates main restricted universe multiverse
4: deb http: //archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse
5: deb http: //security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
6: deb http: //archive.canonical.com/ubuntu/ focal partner
Info: Processes: 214 Uptime: 17m Memory: 7.67 GiB used: 1.39 GiB (18.1%) Init: systemd v: 245
runlevel: 5 Compilers: gcc: 9.4.0 alt: 9 Client: Unknown python3.8 client inxi: 3.0.38