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    SubjectRe: [Bug 67651] Bisected: Lots of fragmented mmaps cause gimp to fail in 3.12 after exceeding vm_max_map_count
    On Wed, Jan 22, 2014 at 11:52:15AM -0800, Andrew Morton wrote:
    > On Wed, 22 Jan 2014 19:08:16 +0000 Mel Gorman <mgorman@suse.de> wrote:
    >
    > > X-related junk is there was because I was using a headless server and
    > > xinit directly to launch gimp to reproduce the bug.
    >
    > I've never done this. Can you share the magic recipe for running an X
    > app in this way?
    >

    The relevant part of the test script is

    # Build a wrapper script to launch gimp
    cat > gimp-launch.sh << EOF
    /usr/bin/gimp -i -b "(mmtests-open-image \"$FILENAME\")" -b "(gimp-quit 0)" > $LOGDIR_RESULTS/gimp-out.1 2>&1
    echo \$? > gimp-exit-code
    EOF
    chmod u+x gimp-launch.sh

    $TIME_CMD xinit ./gimp-launch.sh 2> $LOGDIR_RESULTS/time.1
    RETVAL=`cat gimp-exit-code`

    It's clumsy because the application would start with no window manager
    and looking at it again, it probably was not even necessary because of
    the -i switch in gimp.

    Previously when I needed to automate an X app I configured the machine to
    login automatically, exported the DISPLAY variable in the test script and
    used wmctrl to detect if an application had a window displayed yet.

    --
    Mel Gorman
    SUSE Labs


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