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Message #104853
[Bug 1470097] Re: Unity does not support cpus without sse4
hmm. sorry. no debug symbols for compiz
1:0.9.12.1+15.04.20150410.1-0ubuntu1 available for vivid.
since recompiling compiz on the affected machine will remove the illegal
instruction i cannot help you on this any further.
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https://bugs.launchpad.net/bugs/1470097
Title:
Unity does not support cpus without sse4
Status in Compiz:
Incomplete
Status in Unity:
Incomplete
Status in compiz package in Ubuntu:
Incomplete
Status in unity package in Ubuntu:
Incomplete
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+15.04.20150420-0ubuntu1 [modified: usr/bin/unity]
ProcVersionSignature: Ubuntu 3.19.0-21.21-generic 3.19.8
Uname: Linux 3.19.0-21-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
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)
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References