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I'm trying to boot into Ubuntu and got this: enter image description here

So I followed the instructions here:Error on Ubuntu boot up - "recovering journal"

To check the file system on your Ubuntu partition...
boot to the GRUB menu
choose Advanced Options
choose Recovery mode
choose Root access
at the # prompt, type sudo fsck -f /
repeat the fsck command if there were errors
type reboot

and stuck on here: enter image description here

Again I used these instructions from Error on Ubuntu boot up - "recovering journal"

If for some reason you can't do the above...
boot to a Ubuntu Live DVD/USB
start gparted and determine which /dev/sdaX is your Ubuntu EXT4 partition
quit gparted
open a terminal window
type sudo fsck -f /dev/sdaX # replacing X with the number you found earlier
repeat the fsck command if there were errors
type reboot

enter image description here But nothing changed after that.
However, when I go to GRUB menu and change Ubuntu to an older kernel, it can boot up normally.
I want to figure out what's wrong with the kernel. Is this difficult?
Or should I change the default kernel version and stop update it? Will this have any adverse effects?

chwe
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  • Can you include the versions of the kernel which do, and do not work for you? – Charles Green Apr 20 '21 at 17:31
  • @Charles Green The older one is Ubuntu, Linux 5.8.0-48-generic, the other one is Ubuntu, Linux 5.8.0-50-generic. – chwe Apr 21 '21 at 02:24
  • It's my understanding that the -50 kernel has a bug, and that it should be replaced soon. The only advice I've seen on it suggested to use the -48 version until a -51 or later version becomes available. – Charles Green Apr 21 '21 at 02:38

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