Created attachment 939009 [details]
virt-inspector -v -x output

Description of problem:

libguestfs fails to detect a FreeBSD 9.3 guest.  The error is:

mount -o ro /dev/sda2 /sysroot/
[    3.353926] You didn't specify the type of your ufs filesystem
[    3.353926] 
[    3.353926] mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...
[    3.353926] 
[    3.353926] >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old
[    3.362149] ufs_read_super: bad magic number
mount: wrong fs type, bad option, bad superblock on /dev/sda2,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail or so

guestfsd: error: /dev/sda2 on / (options: 'ro'): mount: wrong fs type, bad option, bad superblock on /dev/sda2,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so

Version-Release number of selected component (if applicable):

1.24.5

Steps to Reproduce:
1. virt-inspector -v -x -a freebsd93

See attachment for output.

Additional info:

Reported by Assaf Gordon
https://www.redhat.com/archives/libguestfs/2014-September/msg00115.html