[Bug 66742] New: [sna] Memory leak in commit "sna: Flush blt copies if no operations pending"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66742

          Priority: medium
            Bug ID: 66742
          Assignee: chris at chris-wilson.co.uk
           Summary: [sna] Memory leak in commit "sna: Flush blt copies if
                    no operations pending"
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: andreas.reis at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Driver/intel
           Product: xorg

The commit "sna: Flush blt copies if no operations pending" (8751c0f5a)
introduced (or exacerbated) a memory leak of vast proportions.

It's so huge that within less than two minutes of watching an ordinary YouTube
video the X server (git, mesa also git) will exhaust all of my 16GB RAM.

With it reverted, the server remains at 0.3-0.6% again.

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