Input/Output error is a sign of faulty hardware, not of a dpkg bug.
Closing the report.
** Changed in: dpkg (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/298510
This is IMHO either problem with your hardware, full disk or dpkg bug,
but definitely it has nothing to do with gsynaptics.
** Package changed: gsynaptics (Ubuntu) => dpkg (Ubuntu)
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package gsynaptics None [modified: /var/lib/dpkg/info/gsynaptics.list] failed
to install/upgrade: failed in buf
** Attachment added: "DpkgTerminalLog.gz"
http://launchpadlibrarian.net/19676384/DpkgTerminalLog.gz
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package gsynaptics None [modified: /var/lib/dpkg/info/gsynaptics.list] failed
to install/upgrade: failed in buffer_read(fd): files list for package
`lilypond-doc'
https://bugs.launchpad.ne