https://bugs.kde.org/show_bug.cgi?id=441898
--- Comment #1 from sai madhan ---
Take a look at the discussion in Manjaro forum
https://forum.manjaro.org/t/zooming-in-causes-display-to-render-incorrectly/80875?u=falcon-z
I discovered that when changing compositor > Rendering Backend from OpenGL to
XRender zoom works fine. The problem seems to be originating from OpenGL both
2.0 and 3.1
I tried changing my drivers from video-Linux to Video-modesetting and did not
solve the issue.
Additional system information:
Graphics Chipset: Intel G41 Express chipset
inxi -Fazy
System:
Kernel: 5.13.13-1-MANJARO x86_64 bits: 64 compiler: gcc v: 11.1.0
parameters: BOOT_IMAGE=/boot/vmlinuz-5.13-x86_64
root=UUID=de786bba-f13a-43d3-b81e-6973633c9c84 rw quiet apparmor=1
security=apparmor udev.log_priority=3
Desktop: KDE Plasma 5.22.5 tk: Qt 5.15.2 info: latte-dock wm: kwin_x11 vt: 1
dm: SDDM Distro: Manjaro Linux base: Arch Linux
Machine:
Type: Desktop Mobo: N/A model: N/A serial:
BIOS: American Megatrends v: 080015 date: 03/14/2012
CPU:
Info: Dual Core model: Pentium E5500 bits: 64 type: MCP arch: Penryn
family: 6 model-id: 17 (23) stepping: A (10) microcode: A0B cache: L2: 2 MiB
flags: lm nx pae sse sse2 sse3 ssse3 vmx bogomips: 11176
Speed: 2793 MHz min/max: 1203/2803 MHz Core speeds (MHz): 1: 2793 2: 2793
Vulnerabilities: Type: itlb_multihit status: KVM: VMX disabled
Type: l1tf mitigation: PTE Inversion; VMX: EPT disabled
Type: mds
status: Vulnerable: Clear CPU buffers attempted, no microcode; SMT disabled
Type: meltdown mitigation: PTI
Type: spec_store_bypass status: Vulnerable
Type: spectre_v1
mitigation: usercopy/swapgs barriers and __user pointer sanitization
Type: spectre_v2
mitigation: Full generic retpoline, STIBP: disabled, RSB filling
Type: srbds status: Not affected
Type: tsx_async_abort status: Not affected
Graphics:
Device-1: Intel 4 Series Integrated Graphics driver: i915 v: kernel
bus-ID: 00:02.0 chip-ID: 8086:2e32 class-ID: 0300
Device-2: Microdia Defender G-Lens 2577 HD720p Camera type: USB
driver: snd-usb-audio,uvcvideo bus-ID: 1-4:4 chip-ID: 0c45:6341
class-ID: 0102
Display: x11 server: X.Org 1.20.13 compositor: kwin_x11 driver:
loaded: modesetting alternate: fbdev,vesa display-ID: :0 screens: 1
Screen-1: 0 s-res: 1920x1080 s-dpi: 96 s-size: 508x285mm (20.0x11.2")
s-diag: 582mm (22.9")
Monitor-1: VGA-1 res: 1920x1080 hz: 60 dpi: 94 size: 521x293mm (20.5x11.5")
diag: 598mm (23.5")
OpenGL: renderer: Mesa DRI Intel G41 (ELK) v: 2.1 Mesa 21.2.1
direct render: Yes
Audio:
Device-1: Intel NM10/ICH7 Family High Definition Audio driver: snd_hda_intel
v: kernel bus-ID: 00:1b.0 chip-ID: 8086:27d8 class-ID: 0403
Device-2: Microdia Defender G-Lens 2577 HD720p Camera type: USB
driver: snd-usb-audio,uvcvideo bus-ID: 1-4:4 chip-ID: 0c45:6341
class-ID: 0102
Sound Server-1: ALSA v: k5.13.13-1-MANJARO running: yes
Sound Server-2: JACK v: 1.9.19 running: no
Sound Server-3: PulseAudio v: 15.0 running: yes
Sound Server-4: PipeWire v: 0.3.34 running: yes
Network:
Device-1: Realtek RTL810xE PCI Express Fast Ethernet driver: r8169 v: kernel
port: e800 bus-ID: 02:00.0 chip-ID: 10ec:8136 class-ID: 0200
IF: ens33 state: up speed: 100 Mbps duplex: full mac:
IF-ID-1: docker0 state: down mac:
Drives:
Local Storage: total: 465.76 GiB used: 183.81 GiB (39.5%)
SMART Message: Unable to run smartctl. Root privileges required.
ID-1: /dev/sda maj-min: 8:0 vendor: Seagate model: ST3500413AS
size: 465.76 GiB block-size: physical: 512 B logical: 512 B speed:
type: HDD rpm: 7200 serial: rev: JC4B scheme: MBR
Partition:
ID-1: / raw-size: 53.16 GiB size: 52.03 GiB (97.86%) used: 27.71 GiB (53.3%)
fs: ext4 dev: /dev/sda4 maj-min: 8:4
Swap:
Kernel: swappiness: 60 (default) cache-pressure: 100 (default)
ID-1: swap-1 type: file size: 4 GiB used: 396.6 MiB (9.7%) priority: -2
file: /swapfile
Sensors:
System Temperatures: cpu: 64.0 C mobo: N/A
Fan Speeds (RPM): N/A
Info:
Processes: 231 Uptime: 5h 47m wakeups: 0 Memory: 3.71 GiB
used: 2.65 GiB (71.4%) Init: systemd v: 248 tool: systemctl Compilers:
gcc: 11.1.0 Packages: 1321 pacman: 1295 lib: 362 flatpak: 15 snap: 11
Shell: Zsh v: 5.8 running-in: yakuake inxi: 3.3.06
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