After upgrading to 8.0.1 I've started to see frame skipping at 1920x1080@24p (23.976fps) about a couple of times a minute or so on an Intel GMA 950.
I've been using a custom xorg.conf for years and have had perfect spot on 1920x1080@24p, prior to upgrading.
I've been reading that there's a bug on some Intel GPUs that keeps them from doing 23.976fps, and they're stuck at 24fps, which could cause similar symptoms, but that doesn't explain why it's been working perfectly with 7.0.3 and prior versions of LE and previous versions of OE.
Here are copies of my relevant modeline in xorg.conf and output of my kodi-xrandr. Interestingly, there's an auto-detected 23.97608 mode, but that one threw in some skipping every once in a while even in older versions. That's why I manually created the 1920x1080@24p mode. That one clocks in at 23.97610hz. One wouldn't think that those 0.00002hz would make a difference, but in previous versions, that was the difference between almost no skipped frames and absolutely no skipped frames.
Modeline "1920x1080@24p" 74.230 1920 2560 2604 2752 1080 1084 1089 1125 +hsync +vsync
<screen id="0" minimum_w="8" minimum_h="8" current_w="1920" current_h="1080" maximum_w="32767" maximum_h="32767">
<output name="DVI1" connected="true" w="1920" h="1080" x="0" y="0" crtc="0" wmm="1620" hmm="910">
<mode id="0x47" name="1920x1080@24p" w="1920" h="1080" hz="23.97610" current="true" preferred="true"/>
<mode id="0x48" name="1920x1080@50p" w="1920" h="1080" hz="50.00000" current="false" preferred="false"/>
<mode id="0x49" name="[email protected]" w="1920" h="1080" hz="59.94020" current="false" preferred="false"/>
<mode id="0x4a" name="1920x1080" w="1920" h="1080" hz="30.00000" current="false" preferred="false"/>
<mode id="0x4b" name="1920x1080" w="1920" h="1080" hz="24.00000" current="false" preferred="false"/>
<mode id="0x8f" name="1920x1080" w="1920" h="1080" hz="23.97610" current="false" preferred="false"/>
<mode id="0x4c" name="1920x1080" w="1920" h="1080" hz="29.97010" current="false" preferred="false"/>
<mode id="0x4d" name="1920x1080" w="1920" h="1080" hz="23.97608" current="false" preferred="false"/>
</output>
<output name="TV1" connected="false">
</output>
<output name="VGA1" connected="false">
</output>
<output name="VIRTUAL1" connected="false">
</output>
</screen>
Thanks for any help!