package brltty 4.4-5ubuntu3 failed to install/upgrade: cannot compute MD5 hash for file '/etc/brltty/am.ctb': failed to read (Input/output error)

[Fabricio Emiliozzi]

brltty failed to install.

ProblemType: Package
DistroRelease: Ubuntu 12.10
Package: brltty 4.4-5ubuntu3
ProcVersionSignature: Ubuntu 3.5.0-22.34-generic 3.5.7.2
Uname: Linux 3.5.0-22-generic i686
ApportVersion: 2.6.1-0ubuntu10
Architecture: i386
Date: Fri Jan 25 08:14:23 2013
ErrorMessage: cannot compute MD5 hash for file '/etc/brltty/am.ctb': failed to read (Input/output error)
InstallationDate: Installed on 2012-06-09 (231 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
MarkForUpload: True
SourcePackage: brltty
Title: package brltty 4.4-5ubuntu3 failed to install/upgrade: cannot compute MD5 hash for file '/etc/brltty/am.ctb': failed to read (Input/output error)
UpgradeStatus: Upgraded to quantal on 2012-10-29 (89 days ago)

[Ubuntu Foundations Team Bug Bot (crichton)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Reviewing your dmesg attachment in this bug report it seems that there is a problem with your hardware. I recommend performing a back up and then investigating the situation. Measures you might take include checking cable connections and using software tools to investigate the health of your hardware. In the event that is is not in fact an error with your hardware please set the bug's status back to New. Thanks and good luck!

[This is an automated message. I apologize if it reached you inappropriately; please just reply to this message indicating so.]