[Bug 210425] [Hyper-V]"smartctl -i /dev/da0" on FreeBSD 10.3 on Windows 2010 & 2016 server caused disk detached

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=210425

            Bug ID: 210425
           Summary: [Hyper-V]"smartctl -i /dev/da0" on FreeBSD 10.3 on
                    Windows 2010 & 2016 server caused disk detached
           Product: Base System
           Version: 10.3-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: honzhan at microsoft.com
                CC: freebsd-amd64 at FreeBSD.org
                CC: freebsd-amd64 at FreeBSD.org

Created attachment 171635
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=171635&action=edit
Screenshot for smartctl

The command “smartctl -a /dev/da0” can cause FreeBSD 10.2/10.3 system panic on
windows 10 & 2016. But FreeBSD 10.2 on windows 2012 R2 does not panic.

The reproduce steps:
1) Install smartctl by “pkg install smartmontools-6.4.1”. You can search it by
“pkg search smartmontools”
2) After installation, please execute “smartctl -a /dev/da0”. Then system panic
and needs to reboot.

When this happens, I observed there are two issues:
1) There are “Standard Inquiry (36 bytes) failed” on putty console.
2) Storage disk is detached/destroyed.

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