[Mesa-dev] [Bug 109641] GLX swrast driver leaks shared memory segments

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Feb 15 15:26:58 UTC 2019


            Bug ID: 109641
           Summary: GLX swrast driver leaks shared memory segments
           Product: Mesa
           Version: 18.0
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/llvmpipe
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: marcello.blancasio at gmail.com
        QA Contact: mesa-dev at lists.freedesktop.org

Using Gnome 3.28 (CentOS 7.6) with llvmpipe driver, Mesa 18.0, but same problem
exists with Gnome 3.30 (Ubuntu 18.10), Mesa 18.2.

Opened a Gnome Terminal window.

New shared memory segments are created every time the terminal window is
resized (found it with: ipcs -m | wc -l).

It looks XShmAttach() is called in src/glx/drisw_glx.c:XCreateDrawable(), but
XShmDetach() is never called. Should it be called in XDestroyDrawable()?

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