[cairo-bugs] [Bug 61876] New: Regression since 1.11.4: Corrupt drawing on mingw64 build used with virt-viewer 0.5.5 binaries

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Mar 5 14:16:55 PST 2013


https://bugs.freedesktop.org/show_bug.cgi?id=61876

          Priority: medium
            Bug ID: 61876
          Assignee: chris at chris-wilson.co.uk
           Summary: Regression since 1.11.4: Corrupt drawing on mingw64
                    build used with virt-viewer 0.5.5 binaries
        QA Contact: cairo-bugs at cairographics.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: grant at opped.net
          Hardware: All
            Status: NEW
           Version: 1.12.14
         Component: general
           Product: cairo

Created attachment 75988
  --> https://bugs.freedesktop.org/attachment.cgi?id=75988&action=edit
Screenshot demonstrating corrupt images

When using libcairo-2.dll built using mingw64 coupled with virt-viewer 0.5.5 to
connect to a Spice display server, image corruption occurs when trying to move
any launched windows or when highlighting any desktop icons (see attached
screenshot).

I've tested numerous releases and the earliest I could find this occurring is
between the 1.11.2 (bug not present) and 1.11.4 (bug present) releases.
Unfortunately, I was unable to do a git bisect between them due to hitting
several compilation issues.

I've also tested a build of 1.12.4 as well, however the issue is still present
in that release.

Problem initially spotted by a user on the spice-devel mailing list:
http://lists.freedesktop.org/archives/spice-devel/2013-March/012496.html

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