[Bug 278448] Linux emulation not working same as bhyve instance

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278448

            Bug ID: 278448
           Summary: Linux emulation not working same as bhyve instance
           Product: Base System
           Version: 14.0-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bhyve
          Assignee: virtualization@FreeBSD.org
          Reporter: crb@ChrisBowman.com

I struggle to know where to correctly report this:
I filed this under bhyve but I think the bhyve is working correctly I think
Linux emulation isn't.  I think I'm the only one using this tool this way but
anyone else trying would experience the same issue (I believe).

I am running the AMD/Xilinx Vivado 2032.2 tool chain on FreeBSD using Linux
emulation.  For the most part things seem to work fine, sort of.  I can run
vivado in tcl mode and in GUI mode.  Some simple scripts work just fine.  There
is one script I have that is a little (not much) more complex and it reliably
fails.  I have a setup where I can run essentially the same vivado process on
both the same box using the same files under FreeBSD using the Linux emulation
and under a bhyve instance of Centos 7.9 running on that same box access the
same file.  The Centos bhyve works as expected the Linux emulation behaves
differently.  This is completely 100% reproducible.  I couldn't tell you what's
going on under the hood and have no idea why it behaves differently.  I can
provide the complete small project along with scripts and everything.  I might
even be able to provide access to the box on which all this happens.  I'd be
happy to try to debug this but haven't a clue where to start.

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