Thanks for your report.
The relevant error is
---
Preparing to replace libglu1-mesa 7.6.0-1ubuntu4 (using
.../libglu1-mesa_7.7.1-1ubuntu2_i386.deb) ...
Unpacking replacement libglu1-mesa ...
lzma: Decoder error
dpkg-deb: subprocess <decompress> returned error exit status 1
dpkg: error processing
/var/cache/apt/archives/libglu1-mesa_7.7.1-1ubuntu2_i386.deb (--unpack):
short read in buffer_copy (backend dpkg-deb during
`./usr/lib/libGLU.so.1.3.070701')
affecting to mesa.
Both reports you filed makes me suspect a hardware problem. Could you
please run a memory test and a filesystem check ?
** Package changed: dpkg (Ubuntu) => mesa (Ubuntu)
** Changed in: mesa (Ubuntu)
Status: New => Incomplete
--
package libglu1-mesa 7.6.0-1ubuntu4 failed to install/upgrade:
https://bugs.launchpad.net/bugs/573438
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to mesa in ubuntu.
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