problem: "initramfs unpacking failed: Decoding failed" in sudo dmesg --level=err,warn
output
try:
$ sudo nano /etc/initramfs-tools/initramfs.conf
COMPRESS=gzip
$ sudo update-initramfs -u -k all
then, reboot.
[bug]
problem: "i8042: PNP: PS/2 appears to have AUX port disabled" in dmesg
output
try:
$ sudo cp /etc/default/grub /etc/default/grub.backup
$ sudo nano /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i8042.nopnp"
$ sudo update grub
problem: window flickering and tearing in gui after kernel v5.8.0-50-generic update
try:
reboot, press ESC/Shift to get to grub boot menu, select "Advanced", boot with a previous kernel.
/usr/share/X11/xorg.conf.d/20-intel.conf
Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "AccelMethod" "uxa"
EndSection
get system infomation: inxi -Fza --no-host
show supported video modes: xrandr -d :0