This bug was fixed in the package xf86-input-evtouch - 0.8.7-3ubuntu1
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xf86-input-evtouch (0.8.7-3ubuntu1) hardy; urgency=low
* Merge from debian unstable, remaining changes: (LP: #190004)
- Change maintainer address.
- Change the default font from helvetica to fixed.
*
I confirm the problem and that the fix helps on amd64. Seems also to
already be included upstream in 0.8.7.
This issue currently renders the package unusable on amd64 in gutsy.
** Changed in: xf86-input-evtouch (Ubuntu)
Status: New => Confirmed
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xserver-xorg-input-evtouch causes xorg c