Public bug reported: I upgraded X/Org and the kernel to the vivid HWE stack, on radeon hardware, and the system failed to suspend properly, and could not come back online - I had to power cycle to get it back.
With the stock trusty kernel + X/Org, things used to work properly. ProblemType: KernelOops DistroRelease: Ubuntu 14.04 Package: linux-image-3.19.0-28-generic 3.19.0-28.30~14.04.1 ProcVersionSignature: Ubuntu 3.19.0-28.30~14.04.1-generic 3.19.8-ckt5 Uname: Linux 3.19.0-28-generic x86_64 Annotation: This occured during a previous suspend and prevented it from resuming properly. ApportVersion: 2.14.1-0ubuntu3.13 Architecture: amd64 Date: Mon Sep 21 07:14:54 2015 ExecutablePath: /usr/share/apport/apportcheckresume ExecutableTimestamp: 1440703637 Failure: suspend/resume InterpreterPath: /usr/bin/python3.4 ProcCmdline: /usr/bin/python3 /usr/share/apport/apportcheckresume ProcCwd: / ProcEnviron: TERM=linux PATH=(custom, no user) SourcePackage: linux-lts-vivid Title: suspend/resume failure UpgradeStatus: Upgraded to trusty on 2014-08-29 (387 days ago) UserGroups: ** Affects: linux-lts-vivid (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-kerneloops resume suspend -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1497875 Title: suspend/resume failure after upgrading to vivid HWE stack on 14.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-vivid/+bug/1497875/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs