bin/79077: truss and strace (devel/strace) don't work anymore in 5.4

[Oberon]

>Number:         79077
>Category:       bin
>Synopsis:       truss and strace (devel/strace) don't work anymore in 5.4
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Mar 21 08:00:10 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Oberon
>Release:        FreeBSD 5.4-PRERELEASE
>Organization:
>Environment:
FreeBSD alfa.THOR 5.4-PRERELEASE FreeBSD 5.4-PRERELEASE #0: Sun Mar 20 16:20:39 CET 2005     oberon at alfa.THOR:/usr/obj/usr/src/sys/ROCCIA  i386
>Description:
      "truss <anycommand>" returns the message:
--- begin ---
truss: PIOCBIS: Inappropriate ioctl for device
---  end  ---
and doens't exit untill ^C

"strace <anycommand>" (strace from devel/strace) returns the message:
--- begin ---
PIOCSFL: Inappropriate ioctl for device
trouble opening proc file
---  end  ---
and exits.
>How-To-Repeat:
      mount_procfs proc /proc
truss <anycommand>
[cd ${PORTSDIR}/devel/strace && make install clean]
strace <anycommand>
>Fix:
      
>Release-Note:
>Audit-Trail:
>Unformatted: