Merge r268725 from head:

  Since r202933, kthread_suspend_check() takes no arguments.  Update the
  example to match.
Merge r268728 from head:

  When we fail to extract the pkg binaries (for example, / is read-only),
  give a more helpful error message.
Merge r268842 from head:

  Fix two typos in iscsictl.8

PR:		191581
Submitted by:	Jimmy Olgeni
Merge r267859 (by bapt), r268998 from head:

o Mark send-pr info page as an obsolete file

o /usr/bin/sendbug and the sendbug(1) man page were part of send-pr and
  are no longer installed since r267486 (r267734 in stable/10).  Add them
  to ObsoleteFiles.inc1, which should have been done in r267486.

PR:		192010 (partial)
Submitted by:	Vick Khera (partial)