Unity does not support cpus without sse4
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Compiz |
Expired
|
Undecided
|
Unassigned | ||
Unity |
Expired
|
High
|
Unassigned | ||
compiz (Ubuntu) |
Expired
|
Undecided
|
Unassigned | ||
unity (Ubuntu) |
Expired
|
High
|
Unassigned |
Bug Description
Unity uses sse4 instructions which are not available on older celeron or pentium cpus.
The instruction being used causing unity to crash is
PEXTRD
In this case one cannot login into the default unity session.
current workaround is to install gnome.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: unity 7.3.2+15.
ProcVersionSign
Uname: Linux 3.19.0-21-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
CompizPlugins: No value set for `/apps/
CurrentDesktop: GNOME
Date: Tue Jun 30 14:32:20 2015
InstallationDate: Installed on 2015-06-29 (0 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
Changed in compiz: | |
status: | New → Incomplete |
Changed in compiz (Ubuntu): | |
status: | New → Incomplete |
Bbacktrace of unity crashing due to illegal instruction.