could test adding "amd-iommu=off" in the cmdline
** Changed in: hwe-next
Status: New => Confirmed
** Changed in: linux-lts-utopic (Ubuntu)
Status: New => Confirmed
** Changed in: hwe-next
Importance: Undecided => High
** Changed in: linux-lts-utopic (Ubuntu)
Importance: Undecided => High
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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1433937
Title:
[Lenovo E540] System got hang after resumed back from S3 , hibernate
or hybird_sleep.
Status in HWE Next Project:
Confirmed
Status in linux-lts-utopic package in Ubuntu:
Confirmed
Bug description:
CID : 201411-16166 Lenovo E450 (I+A) with 14.04.2 (utopic)
CID : 201409-15790 Lenovo E450 (I+A) with 14.04.2 (utopic)
CID : 201411-16167 Lenovo E550 (I+A) with 14.04.2 (utopic)
Steps:
1. Install 14.04.2 on E450.
2. Log in system and install fglrx.
3. Reboot system.
4. Log in system again
5. Click 'Suspend' from gear list on the top right corner of screen.
6. Make sure system enter S3, then press 'Fn' to wake it up.
Expected result:
System resumed back smoothly.
Actual result:
System got hang after resumed back.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.16.0-30-generic 3.16.0-30.40~14.04.1 [modified:
boot/vmlinuz-3.16.0-30-generic]
ProcVersionSignature: Ubuntu 3.16.0-30.40~14.04.1-generic 3.16.7-ckt3
Uname: Linux 3.16.0-30-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.14.1-0ubuntu3.7
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Mar 19 03:07:08 2015
InstallationDate: Installed on 2015-03-16 (2 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64
(20150218.1)
SourcePackage: linux-lts-utopic
UpgradeStatus: No upgrade log present (probably fresh install)
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