*** This bug is a duplicate of bug 1562076 *** https://bugs.launchpad.net/bugs/1562076
It seems kernel version 4.4.8 fixes the problem. -- 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/1573702 Title: Ubuntu 16.04 freeze when HDMI cable plugged. Status in linux package in Ubuntu: Confirmed Bug description: Hello, I'm suspect that this problem is similar to Bug #1562076 reported. lsb_release -rd Description: Ubuntu 16.04 LTS Release: 16.0 The Problem: When I plug a HDMI cable to use a second screen the Ubuntu freeze, halt and I need do a "hard power off". This problem occurs at any kernel of Ubuntu 16.04 that I tested. Now I use a 4.4.0-21-generic #37-Ubuntu SMP Mon Apr 18. The same hardware with Ubuntu 14 and kerne l3.13.0-85-generic #129-Ubuntu SMP Thu Mar 17 20:50:15 UTC it's OK. If I could help us with any more information, please contact me. Thanks for help me. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-21-generic 4.4.0-21.37 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: fpi 2115 F.... pulseaudio /dev/snd/controlC0: fpi 2115 F.... pulseaudio CurrentDesktop: Unity Date: Fri Apr 22 13:26:33 2016 InstallationDate: Installed on 2016-02-12 (70 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) MachineType: Dell Inc. Inspiron 5448 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic root=UUID=f7a65cdb-3d82-4056-ac2e-ed862cec2d7c ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.4.0-21-generic N/A linux-backports-modules-4.4.0-21-generic N/A linux-firmware 1.157 SourcePackage: linux UpgradeStatus: Upgraded to xenial on 2016-03-08 (44 days ago) dmi.bios.date: 10/12/2015 dmi.bios.vendor: Dell Inc. dmi.bios.version: A06 dmi.board.name: 0YDTG3 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: A06 dmi.modalias: dmi:bvnDellInc.:bvrA06:bd10/12/2015:svnDellInc.:pnInspiron5448:pvrA06:rvnDellInc.:rn0YDTG3:rvrA00:cvnDellInc.:ct8:cvrA06: dmi.product.name: Inspiron 5448 dmi.product.version: A06 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1573702/+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