Public bug reported:
My system periodically freezes and I have to do a hard reboot. Very
unpleasant expercience so far with ubuntu.
.xsession-errors after reboot:
Failed to open BO for returned DRI2 buffer (1919x18, dri2 back buffer, named
20).
This is likely a bug in the X Server that will lead to a crash soon.
Failed to open BO for returned DRI2 buffer (1919x18, dri2 back buffer, named
20).
This is likely a bug in the X Server that will lead to a crash soon.
Failed to open BO for returned DRI2 buffer (1919x18, dri2 back buffer, named
24).
This is likely a bug in the X Server that will lead to a crash soon.
Processor: i5-5200U
SNA drivers.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: xorg 1:7.7+7ubuntu4
ProcVersionSignature: Ubuntu 4.2.0-29.34-generic 4.2.8-ckt3
Uname: Linux 4.2.0-29-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: KDE
Date: Mon Feb 22 12:02:26 2016
InstallationDate: Installed on 2016-02-01 (20 days ago)
InstallationMedia: Kubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug wily
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https://bugs.launchpad.net/bugs/1548273
Title:
Periodic crashes
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