I upload another log file. journalctl_OK.txt use journalctl -b 1 command, it is boot up normaly
journalctl_NG.txt use journalctl -b 2 command, it is boot up failer. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1840571 Title: ubuntu 18.04.3 startup purple screnn blink and could not start Status in gnome-shell package in Ubuntu: New Bug description: I update ubuntu by software-updater. I update kernel 5.0.0-25, and reboot ubuntu system, but startup purple screen blink for ever,and could not login. I reboot kernel 5.0.0-23(before kernel), and login. as kernel 5.0.0-23, sometime same event occured, but I reset PC, next time restart normaly. I upload syslog file. <https://www.dropbox.com/sh/b9vnch2h8xqjhtx/AACEq7TyvLWZeNJdnCFr5tw-a?dl=0> To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1840571/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp