I am using the File::Tail module to watch a busy log file and pipe the results to a fifo. But I am having trouble keeping it running. The following error occurs sporatically and I am not sure why seeing the code is fairly simple. The negative time value is the only thing changing in the error message. Any ideas?

Time::HiRes::sleep(-0.13635): negative time not invented yet at /usr/l
+ocal/lib/perl5/site_perl/5.8.2/File/Tail.pm line 529.
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#!/usr/local/bin/perl
##
###
### This script reads the page.log file, formats the data, and sends i
+t
### to the nco_p_data FIFO for use by the pmgrd process.
###
### April 2, 2004
### Added space for message and date to be seperate
#
#

use File::Tail;

# Preset variables
my $LogFile="/opt/app/bmc/PATROL3.5/lib/psl/EMProg/CEM/page.log";
#
my $PipeName="/opt/app/PatrolAdmin/docs/eventmgr/pipes/nco_p_data";
#

my $fi=tie *FH,"File::Tail",(name=>$LogFile,reset_tail=>0);
### If told to stop kill process and not restart
        if ($ARGV[0] eq "stop"){
                @procs=`ps -ef \| grep eventFIFO \| grep -v grep | gre
+p -v $$`;
                foreach $line (@procs){
                        $line =~ /\w+\s+(\d+)\s/;
                        $pid = $1;
                system(`kill $pid`);
                }
        exit 0;
        }

unless( -p $PipeName)
        {
        unlink $PipeName;
        system("mkfifo -m 644 $PipeName") && die "Can't mkfifo $PipeNa
+me: $!";
}

while (FH)
{
        $line = $fi->read;
        if($line =~ /(.*)\|~\|(.*)\|~\|([\W\w]+)\|~\|(.*)/)
        {
          $contline="";
          $PagerID=$1;
          $Message=$2." ".$3;
          $Status=$4;
        }
        else
        {
                $contline=$contline.$line;
                if($contline =~ /(.*)\|~\|(.*)\|~\|([\w\W]+)\|~\|(.*)/
+)
                {
                $contline="";
                $PagerID=$1;
                $Message=$2." ".$3;
                $Status=$4;
                $contline="";
                }
                else
                {
                  next;
                }
        }


open(FIFO,">$PipeName") || die "Couldn't open file $PipeName - $!\n";
        print FIFO "NEW|TODAY|NOW|\"\"|$PagerID|$Message|$Status\n";
close(FIFO);
}
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