i386/73443: Spinlock called when not threaded.

[Sergey]

>Number:         73443
>Category:       i386
>Synopsis:       Spinlock called when not threaded.
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-i386
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Nov 03 08:50:27 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator:     Sergey
>Release:        5.3-RC2 FreeBSD 5.3-RC2 #0: Tue Nov  2 21:18:56 SAMT 2004 i386
>Organization:
>Environment:
FreeBSD test.test.ru 5.3-RC2 FreeBSD 5.3-RC2 #0: Tue Nov  2 21:18:56 SAMT 2003     test at test.test.ru:/usr/obj/usr/src/sys/SP  i386
>Description:
      
>How-To-Repeat:
      
>Fix:
      
>Release-Note:
>Audit-Trail:
>Unformatted: