Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.7 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.7-rc6-yakkety/ ** Changed in: linux (Ubuntu) Importance: Undecided => Medium -- 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/1577797 Title: TTY non-functional after Resume from Suspend Status in linux package in Ubuntu: Incomplete Bug description: After Resume from Suspend, TTY 1-6 is non-functional. Sometimes I can see text but no prompt or cursor and no way to interact with the prompt. Sometimes the screen is blank. Reproducible: Always Steps to reproduce: 1.) Suspend 2.) Resume 3.) CTRL+ALt+F1-6 Results: Blank or non-functional screen. System Information: Kernel: 4.4.0-21-generic x86_64 (64 bit) Desktop: KDE Plasma 5.5.5 Distro: Ubuntu 16.04 xenial Machine: System: LENOVO (portable) product: 20428 v: Lenovo Yoga 2 11 Mobo: LENOVO model: VIUU4 v: 31900058WIN Bios: LENOVO v: AACN21WW date: 01/30/2015 CPU: Dual core Intel Core i3-4012Y (-HT-MCP-) cache: 3072 KB clock speeds: max: 1500 MHz 1: 1500 MHz 2: 1499 MHz 3: 1500 MHz 4: 1500 MHz Graphics: Card: Intel Device 0a1e Display Server: X.Org 1.18.3 drivers: intel (unloaded: fbdev,vesa) Resolution: [email protected] GLX Renderer: Mesa DRI Intel Haswell GLX Version: 3.0 Mesa 11.2.0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1577797/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
