I found /dev/sda3 ubuntu-18.03 syslog has a lot of ureadahead messages at 16:50:35. I grub-install command to use recover /dev/sda3 pbr.
I upload syslog same PC. involved all today log. <https://www.dropbox.com/sh/w4ks9q19gd1803g/AABI2n6DSigRV_UWaJs7rUjFa?dl=0>
I update at 18:10 to use grub-install by ubuntu-18.04 livecd. and reboot /dev/sda3 ubuntu-18.04, perhaps work fine.
I found /dev/sda3 ubuntu-18.03 syslog has a lot of ureadahead messages at 16:50:35.
I grub-install command to use recover /dev/sda3 pbr.
I upload syslog same PC. involved all today log. /www.dropbox. com/sh/ w4ks9q19gd1803g /AABI2n6DSigRV_ UWaJs7rUjFa? dl=0>
<https:/
I update at 18:10 to use grub-install by ubuntu-18.04 livecd.
and reboot /dev/sda3 ubuntu-18.04, perhaps work fine.