In short: 1. edit your /etc/default/grub a. make a COPY of the line GRUB_CMDLINE_LINUX_DEFAULT and modify like this:
GRUB_CMDLINE_LINUX_DEFAULT="initcall_debug no_console_suspend ignore_loglevel" #GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" 2. run 'sudo update-grub' to reflect the changes 3. reboot your pc 4. put your pc into STR, eg with 'echo mem | sudo tee /sys/power/state' 5. when your PC is suspended, wake it up and report back what you find. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1958968 Title: failed to resume PC Status in linux package in Ubuntu: New Bug description: Sometimes I cannot resume my PC after suspend. Pressing keys or moving the mouse doesn't help: the login screen doesn't appear. In some cases pressing Ctrl+Alt+F1 helps, but not always. This time I had to make a hard reset. Check 25 January 10:43 in the logs. Ubuntu 20.04.3 LTS 5.4.0-96-generic x86_64 GNOME 3.36.8 X11 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1958968/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp