The Radeon render acceleration is passing a number of bytes to AllocateLinear, though it should be passing a number of pixels. Given that this doesn't result in anything except wasting some offscreen memory (and not *too* much), I'm putting it off until after release. Reported by Thomas Winischhofer.
*** This bug has been marked as a duplicate of 1106 ***
Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.