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Description of problem:

When using virt-p2v from the kernel command line, if the final
p2v.* parameter appears at the end of the command line, then
a \n character is appended to it.

For example, the following configuration won't work:

  APPEND [....] p2v.o=disk p2v.os=/var/tmp

because virt-p2v will try to use directory "/var/tmp\n" on
the conversion server.

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

virt-p2v upstream in <= 1.29.46, and also in RHEL 7.1

How reproducible:

100%

Steps to Reproduce:

See my steps in https://bugzilla.redhat.com/show_bug.cgi?id=1229262#c2

Actual results:

In 'systemctl status p2v -l output' you will see:

virt-v2v: error: -os /var/tmp
: output directory does not exist or is not a directory

Notice that the error message is split across two lines, indicating
an invisible \n character appearing after /var/tmp

Upstream fix:
https://github.com/libguestfs/libguestfs/commit/6114c10df05cdb1662ac22930010fd45714f9c40

The fix in comment 1 wasn't quite correct.  The following commits
are needed:

https://github.com/libguestfs/libguestfs/commit/6114c10df05cdb1662ac22930010fd45714f9c40
https://github.com/libguestfs/libguestfs/commit/fc554d422a95f0cef21073a3a8ba0b2d8ddbab45
https://github.com/libguestfs/libguestfs/commit/cca4343203f18367033a56139231ff2518ad6655
https://github.com/libguestfs/libguestfs/commit/154251b3f0312864c460533ae28a09483fb70051

Tested with:
livecd-p2v-201506091319.iso
virt-v2v-1.28.1-1.38.el7.x86_64
libguestfs-1.28.1-1.38.el7.x86_64

1.Add after APPEND [....] p2v.o=disk p2v.os=/var/tmp in kernel command line.

2.Launch virt-p2v client,conversion starts successfully without error info in description.

Refer to the above comments,move the bug to VERIFIED.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2015-2183.html