I had this issue and then purged my system of the Intel Linux Graphics
Installer packages, downgrading packages to the latest available in
trusty-updates as appropriate. After doing that I was successfully able
to install 14.04.2 using the Utopic HWE stack.
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*** This bug is a duplicate of bug 1424466 ***
https://bugs.launchpad.net/bugs/1424466
** This bug has been marked a duplicate of bug 1424466
Devel package not installable in 14.04.2 (mesa-lts-utopic
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Bugs, which is
** Attachment added: apport.libgles2-mesa-dev-lts-utopic.m_aroj3l.apport
https://bugs.launchpad.net/ubuntu/+source/mesa-lts-utopic/+bug/1429529/+attachment/4338327/+files/apport.libgles2-mesa-dev-lts-utopic.m_aroj3l.apport
** Description changed:
[Description]
On Ubuntu 14.04.2 with
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1429529
Title:
Package resolver can't find *-lts-utopic package dependencies, aborts
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** Summary changed:
- Unsolvable LTSEnablementStack Mesa package dependency
+ Package resolver can't find *-lts-utopic package dependencies, aborts
** Description changed:
[Description]
- On 14.04.2 aptitude/APT determinates non-LTSEnablementStack Mesa packages
instead of *lts-utopic
