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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [ThreadedCompositor] Scrolling artifacts on accelerated subframes"
href="https://bugs.webkit.org/show_bug.cgi?id=149060#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [ThreadedCompositor] Scrolling artifacts on accelerated subframes"
href="https://bugs.webkit.org/show_bug.cgi?id=149060">bug 149060</a>
from <span class="vcard"><a class="email" href="mailto:emanuele.aina@collabora.com" title="Emanuele Aina <emanuele.aina@collabora.com>"> <span class="fn">Emanuele Aina</span></a>
</span></b>
<pre>I still see the page jumping badly when trying to scroll down <a href="https://people.collabora.com/~em/wk/tests/scroll.html">https://people.collabora.com/~em/wk/tests/scroll.html</a>
My steps (under X11):
* ./MiniBrowser <a href="https://people.collabora.com/~em/wk/tests/scroll.html">https://people.collabora.com/~em/wk/tests/scroll.html</a>
* move mouse pointer over the top iframe with the 300x300 image placeholder
* scroll down with a double-finger drag on my touchpad
* iframe scrolls correctly
* when the iframe has been scrolled completely, the scroll events propagate to the main frame, scrolling the page correctly
* if I keep scrolling down at some point the page goes back to its zero scrolling position</pre>
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