Following up my problem, I tried to execute f2disk. This command works the first time. However, from the second time on, my laptop resumes by showing a white cursor on a black screen.
-- crash after hibernation on vaio n21s https://bugs.launchpad.net/bugs/156969 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
