Public bug reported:
After upgrading my two laptops (HP EliteBook 8470p, Sony Vaio, both
several years old) to 15.10 both started freezing within 12 hours of
booting and the screens started flickering when X did fade-out and fade-
ins.
Booting the HP with the 15.04 kernel (3.19.0-31) makes it stable again.
The sony vaoi was downgraded to 14.04 and is stable there.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: xorg 1:7.7+7ubuntu4
ProcVersionSignature: Ubuntu 3.19.0-31.36-generic 3.19.8-ckt7
Uname: Linux 3.19.0-31-generic x86_64
ApportVersion: 2.19.1-0ubuntu4
Architecture: amd64
CurrentDesktop: KDE
Date: Thu Nov 12 11:34:25 2015
InstallationDate: Installed on 2013-11-07 (734 days ago)
InstallationMedia: Kubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to wily on 2015-10-26 (16 days ago)
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug kubuntu wily
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https://bugs.launchpad.net/bugs/1515551
Title:
Several laptops unstable with 15.10 kernels
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