Support, Screen Tearing.

[Huckleberry Finn]

Reboot as always then open Menu and post Quick System Info

[dada666]

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System:    Host: LinuxMasterRace Kernel: 5.6.0-2-amd64 x86_64 bits: 64 compiler: gcc v: 8.3.0 
           parameters: BOOT_IMAGE=/boot/vmlinuz-5.6.0-2-amd64 
           root=UUID=8f32edcc-09b8-4fbe-9910-978ad5bee44d ro quiet splash 
           Desktop: Xfce 4.14.2 tk: Gtk 3.24.5 info: xfce4-panel wm: xfwm4 dm: LightDM 1.26.0 
           Distro: MX-19.2_x64 patito feo May 31  2020 base: Debian GNU/Linux 10 (buster) 
Machine:   Type: Desktop Mobo: MSI model: 970A-G46 (MS-7693) v: 2.0 serial: <filter> 
           UEFI: American Megatrends v: 2.8 date: 01/08/2016 
CPU:       Topology: 6-Core model: AMD Phenom II X6 1090T bits: 64 type: MCP arch: K10 
           family: 10 (16) model-id: A (10) stepping: N/A microcode: 10000DC L2 cache: 3072 KiB 
           flags: lm nx pae sse sse2 sse3 sse4a svm bogomips: 38401 
           Speed: 1243 MHz min/max: 800/3200 MHz boost: enabled Core speeds (MHz): 1: 1269 
           2: 800 3: 800 4: 800 5: 800 6: 800 
           Vulnerabilities: Type: itlb_multihit status: Not affected 
           Type: l1tf status: Not affected 
           Type: mds status: Not affected 
           Type: meltdown status: Not affected 
           Type: spec_store_bypass status: Not affected 
           Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer sanitization 
           Type: spectre_v2 mitigation: Full AMD retpoline, STIBP: disabled, RSB filling 
           Type: srbds status: Not affected 
           Type: tsx_async_abort status: Not affected 
Graphics:  Device-1: AMD Curacao PRO [Radeon R7 370 / R9 270/370 OEM] vendor: Gigabyte 
           driver: N/A bus ID: 01:00.0 chip ID: 1002:6811 
           Display: server: X.Org 1.20.4 driver: vesa resolution: 1920x1080~N/A 
           OpenGL: renderer: llvmpipe (LLVM 7.0 128 bits) v: 3.3 Mesa 18.3.6 compat-v: 3.1 
           direct render: Yes 
Audio:     Device-1: AMD SBx00 Azalia vendor: Micro-Star MSI driver: snd_hda_intel v: kernel 
           bus ID: 00:14.2 chip ID: 1002:4383 
           Device-2: AMD Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series] 
           vendor: Gigabyte Oland/Hainan/Cape driver: snd_hda_intel v: kernel bus ID: 01:00.1 
           chip ID: 1002:aab0 
           Device-3: Kingston type: USB driver: hid-generic,snd-usb-audio,usbhid bus ID: 6-2:2 
           chip ID: 0951:16a4 serial: <filter> 
           Sound Server: ALSA v: k5.6.0-2-amd64 
Network:   Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet 
           vendor: Micro-Star MSI driver: r8169 v: kernel port: d000 bus ID: 04:00.0 
           chip ID: 10ec:8168 
           IF: eth0 state: up speed: 100 Mbps duplex: full mac: <filter> 
Drives:    Local Storage: total: 1.08 TiB used: 6.65 GiB (0.6%) 
           ID-1: /dev/sda vendor: Western Digital model: WD1600AAJS-00B4A0 size: 149.05 GiB 
           block size: physical: 512 B logical: 512 B speed: <unknown> serial: <filter> 
           rev: 3A01 temp: 35 C scheme: GPT 
           ID-2: /dev/sdb vendor: Western Digital model: WD10EZEX-21WN4A0 size: 931.51 GiB 
           block size: physical: 4096 B logical: 512 B speed: <unknown> rotation: 7200 rpm 
           serial: <filter> rev: 1A01 temp: 37 C scheme: MBR 
           ID-3: /dev/sdc vendor: SanDisk model: SDSSDRC032G size: 29.82 GiB block size: 
           physical: 512 B logical: 512 B speed: 6.0 Gb/s serial: <filter> scheme: GPT 
Partition: ID-1: / raw size: 27.54 GiB size: 26.98 GiB (97.97%) used: 6.65 GiB (24.6%) fs: ext4 
           dev: /dev/sdc2 
           ID-2: swap-1 size: 2.00 GiB used: 0 KiB (0.0%) fs: swap swappiness: 15 (default 60) 
           cache pressure: 100 (default) dev: /dev/sdc3 
Sensors:   System Temperatures: cpu: 32.0 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/debian-stable-updates.list 
           1: deb http://deb.debian.org/debian buster-updates main contrib non-free
           Active apt repos in: /etc/apt/sources.list.d/debian.list 
           1: deb http://deb.debian.org/debian buster main contrib non-free
           2: deb http://deb.debian.org/debian-security buster/updates main contrib non-free
           Active apt repos in: /etc/apt/sources.list.d/mx.list 
           1: deb https://quantum-mirror.hu/mirrors/pub/mx-linux/packages/mx/repo/ buster main non-free
           No active apt repos in: /etc/apt/sources.list.d/various.list 
Info:      Processes: 226 Uptime: 3m Memory: 7.75 GiB used: 849.0 MiB (10.7%) Init: SysVinit 
           v: 2.93 runlevel: 5 default: 5 Compilers: gcc: 8.3.0 alt: 8 Shell: bash v: 5.0.3 
           running in: quick-system-in inxi: 3.0.36 

[Head_on_a_Stick]

Can we also see the output of

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lspci -k | grep -iA3 'vga'
grep -Ri 'radeon\|amdgpu' {/etc,{/usr,}/lib}/modprobe.d

[dada666]

Here :

Screenshot_2020-07-05_22-01-46.png

Screenshot_2020-07-05_22-02-13.png

[Head_on_a_Stick]

Please post actual text (using code tags) rather than pictures of text.

Kernel modesetting has been disabled but your card needs that.

Run these commands:

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sudo rm {/usr,}/lib/modprobe.d/no-mode-set.conf
sudo update-initramfs -u -k all

Then reboot and check the 'lspci -k' output again, it should now show this line for your graphics card:

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Kernel driver in use: radeon

If it does then you can create /etc/X11/xorg.conf.d/10-tearfree.conf again, it should work once the kernel driver is loaded.

[dada666]

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$ sudo rm {/usr,}/lib/modprobe.d/no-mode-set.conf
rm: cannot remove '/usr/lib/modprobe.d/no-mode-set.conf': No such file or directory
rm: cannot remove '/lib/modprobe.d/no-mode-set.conf': No such file or directory

I can't use the first command.

[Huckleberry Finn]

Weird. Till then can you do this?

Reboot and on Grub screen hit the key E

then add amdgpu.modeset=1

among ... ro quiet splash

as :

ro quiet amdgpu.modeset=1 splash

then hit F10 to go on booting ..
________________________________________________________________________________

(You can also open those directories in "root Thunar" and have a look and delete them manually)

[dada666]

It boots to light gray screen.

[Huckleberry Finn]

The same with: radeon.modeset=1

[dada666]

With that command it boots to black screen.