>Number:         1111
>Category:       bin
>Synopsis:       cp -R hangs in WCHAN "fifo", presumably after finishing the job
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    bin-bug-people (Utility Bug People)
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Jun  4 13:20:04 1995
>Originator:     Ignatios Souvatzis
>Organization:
"	private"
>Release:        1.0A as of 1995 mar 6, $Id: cp.c,v 1.11 1995/01/26 06:01:36 mycroft Exp $
>Environment:
	
System: NetBSD beverly 1.0A NetBSD 1.0A (BEVERLY) #179: Sun Jun 4 11:12:22 MET DST 1995 is@beverly:/usr/src/sys/arch/amiga/compile/BEVERLY amiga


>Description:
	Before upgrading my mar 6 system to current current, I wanted to 
	do a backup onto a scratch disk. I used cp -R for that.

	The cp finally stopped to work the disks, and didn't use any
	more CPU time. ps -l showed it waiting for WCHAN fifo.

beverly# ps l222
  UID   PID  PPID CPU PRI NI   VSZ  RSS WCHAN  STAT TT       TIME COMMAND
    0   222   127 157   2  4   744  744 fifo   IN   p1   46:57.05 cp -P -R -p -f / /usr /current /monster/backup/

>How-To-Repeat:
beverly# df 
Filesystem  1K-blocks     Used    Avail Capacity  Mounted on
/dev/sd1a       15039    11479     2808    80%    /
/dev/sd1e       98262    91098     2250    98%    /usr
/dev/sd0f      132058   117248     8207    93%    /current
/dev/sd2d      801375   222144   539162    29%    /monster
mfs:22          20447        7    19417     0%    /tmp
kernfs              1        1        0   100%    /kern
procfs              8        8        0   100%    /proc

beverly# cp -P -R -p -f / /usr /current /monster/backup/.


>Fix:
Workaround: kill the cp process

>Audit-Trail:
>Unformatted:


Ignatios Souvatzis