<p></p>
<p dir="auto">So I spent some time looking into this and I think I have tracked down when it happens.  In all cases my test case was Ubuntu 22.04 on x86-64 but I also see it on Ubuntu 18.04 on ARMv8.</p>
<p dir="auto">Some recent change to the combo of the VM and the image will do this, but, only on a local X11 display when you are displaying.   Using -vm-display-X11 -headless prevents this from happening, so, good news, servers will be ok.  It also does not happen when you use a remote X11 display.  It only happens when you use a local graphics card.</p>
<p dir="auto">It does not show up in the squeak memory usage, just the RSS size.  I guess that something is not getting freed somewhere in C, and it looks to be somewhere in the C code for the X11 driver.</p>
<p dir="auto">Wayland vs X11 does not change anything.</p>
<p dir="auto">This was not in Squeak 5.3 and the Squeak 53 VM running almost the newest 6.0 image is ok too.</p>
<p dir="auto"><a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/e908c9c2242e6f2755cba1689165902665239e2f/hovercard" href="https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/e908c9c2242e6f2755cba1689165902665239e2f"><tt>e908c9c</tt></a> 20220621T1716 ** Squeak6.0rc1 22076 ** Bad<br>
202206021410 ** Squeak6.0rc1 22076 ** Bad<br>
<a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/e908c9c2242e6f2755cba1689165902665239e2f/hovercard" href="https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/e908c9c2242e6f2755cba1689165902665239e2f"><tt>e908c9c</tt></a> 20220621T1716 ** Squeak5.3-19481 ** Good<br>
<a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/6a0bc9626276dc58c20246adf5b2cd465af98402/hovercard" href="https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/6a0bc9626276dc58c20246adf5b2cd465af98402"><tt>6a0bc96</tt></a> 202003021730 ** Squeak6.0beta-21757 ** Good</p>

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