Please check if it is a kernel suspend or hibernate issue answering the questions that you will find on the Bug Validation and Information Gathering sections of https://wiki.ubuntu.com/DebuggingKernelSuspendHibernateResume
Please add as comments any useful information you find.
Please check if it is a kernel suspend or hibernate issue answering the questions that you will find on the Bug Validation and Information Gathering sections of https:/ /wiki.ubuntu. com/DebuggingKe rnelSuspendHibe rnateResume
Please add as comments any useful information you find.