Comment 0 for bug 1510779

CID: 201407-15278 Dell Latitude E5250

Steps:
1. Install 14.04.3 + update (3.19.0-31)
2. Install the certification suite
3. Test it with hibernate 30 cycle stress test
or run the following command for 30 times:
fwts -q --stdout-summary -r ./hibernate_30_cycles s4 --s4-device-check --s4-device-check-delay 45 --s4-sleep-delay 120

Expected result:
* It can pass the 30 cycle hibernate stress test.

Actual result:
* System will freeze on some point, in the most recent test, it freeze on the 9th cycle.

From the hibernate test log, some HIGH failures could be found in it (but hibernate works this time, sometimes it does not):
High failures: 5
 s4: Failed to freeze user space processes.
 s4: Failed to freeze remaining non-user space processes.
 s4: Failed to freeze devices.
 s4: Failed to allocate memory for hibernate image.
 s4: Failed to restore hibernate image.

Similar issue could be found in bug 1510014

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.19.0-31-generic 3.19.0-31.36~14.04.1
ProcVersionSignature: Ubuntu 3.19.0-31.36~14.04.1-generic 3.19.8-ckt7
Uname: Linux 3.19.0-31-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.16
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Oct 27 23:54:40 2015
InstallationDate: Installed on 2015-10-22 (5 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
SourcePackage: linux-lts-vivid
UpgradeStatus: No upgrade log present (probably fresh install)