Regression: USB barcode reader output garbage

[Mathieu MD]

On Kubuntu 11.10, my barcode scanner output this for a given barcode (an ISBN of a French book):
çè_éé&é&é'-"è

On an Ubuntu 10.04, the same barcode reader for the same barcode do output this:
9782212124637

This last one is, as you guess, the correct string.

PS: a barcode reader is just like a keyboard input device; it works out of the box (well, on an old Ubuntu 10.04 at least.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: xorg 1:7.6+7ubuntu7
ProcVersionSignature: Ubuntu 3.0.0-13.22-generic-pae 3.0.6
Uname: Linux 3.0.0-13-generic-pae i686
ApportVersion: 1.23-0ubuntu4
Architecture: i386
Date: Thu Dec 22 18:39:57 2011
InstallationMedia: Kubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)

[Bryce Harrington (bryce)]

Not enough information has been provided to make this a useful bug report. See http://wiki.ubuntu.com/X/Reporting for instructions on reporting X issues.

[Mathieu MD (mathieu.md)]

I'm not sure what more information should I provide...

However, I scanned a barcode from the console (after typing "Ctrl+Alt+F1" from KDE session) and it does output the exact same garbage. I tried with a few other barcodes, and it seems that the outputed garbage are actually translatable:
ç = 9
è = 7
_ = 8
é = 2
& = 1
etc.

Maybe it's not directly related to X, but to the USB or keyboard input driver or something?