[Bug 251248] Broadcom (LSI) 9300-8e mpr driver does not show all paths

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251248

            Bug ID: 251248
           Summary: Broadcom (LSI) 9300-8e mpr driver does not show all
                    paths
           Product: Base System
           Version: 12.2-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: kern
          Assignee: bugs at FreeBSD.org
          Reporter: dsp at mvdnet.org

Created attachment 219803
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=219803&action=edit
logs

mpr driver does not show all paths to dual-port disks. 

Tested on 2 LSI 9300-8e connected to HP D2700 （SAS2) disk external enclosure
with 12 HDDs on HP DL360p Gen9 and HP D3700 (SAS3) disk enclosure with 10 SSDs
and Supermicro X10SRH-CLN4F, FreeBSD 12.1 and 12.2

Same hardware setup works perfectly on Linux.

mps driver (LSI 9207-8e) also works fine in FreeBSD

I attached dmesg.log, geom, mprutil and sesutil output

as you can see from geom output it can see only 1 device with 2 paths

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