There's a good chance this is simply "death by AutoRun".
When you use autoRun="True" , you put one of them up at the top of the view, such that it's sufficiently high that if a push were to cascade down from there, it would touch all the points where you need searches dispatched.
autoRun is not an attribute on any particular module - rather it is a flag to the overall module framework - "start pushing data down through all the modules, from HERE".
What happens if you have more than autoRun="true" is you have a peculiar little race. Sometimes it may work, or sometimes you'll end up with a bunch of modules "seeming to not react to upstream changes properly". What happens if you have TONS of autoRun="True" is that things just get more and more evil.
I would definitely start with that - take away every one of them except the one on the very topmost HiddenSavedSearch. And do not put autoRun="False" because this is meaningless and it will only confuse you or some other human later.
If removing the extra autoRun's doesn't fix it then leave a comment and I will update this answer.
UPDATE: I'm afraid I don't know what's wrong. I've duplicated your view except for changing it to run against index=_internal data, and when I remove the autoRun's it works fine for me. =/
Maybe you can take this XML below and run it on your system and find the difference.
<module name="TimeRangePicker" layoutPanel="panel_row1_col1" autoRun="True">
<param name="default">Last 24 hours</param>
<param name="searchWhenChanged">True</param>
<module name="HiddenSearch" layoutPanel="panel_row2_col1">
<param name="search">index=_internal source=*metrics.log group=per_sourcetype_thruput | stats max(eps) as maxEps sum(kb) as sumKb</param>
<module name="JobProgressIndicator"/>
<module name="HiddenPostProcess" layoutPanel="panel_row2_col1_grp1" group="Session Stats" >
<param name="search">
| eval range="remote"
</param>
<module name="SingleValue">
<param name="field">maxEps</param>
<param name="classField">range</param>
<param name="afterLabel">max eps</param>
<param name="format">count</param>
</module>
</module>
<module name="HiddenPostProcess" layoutPanel="panel_row2_col1_grp2" group="Session Stats" >
<param name="search">
| eval range="user"
</param>
<module name="SingleValue">
<param name="field">sumKb</param>
<param name="classField">range</param>
<param name="afterLabel">total KB</param>
<param name="format">count</param>
</module>
</module>
</module>
</module>
... View more