PHP-FPM Error Solved: Failed to ptrace(PEEKDATA) pid: Input/output error

I got rid of the below error messages in my php5-fpm.log just after commenting out the below two lines in my pool.d/www.conf file.

Lines to comment

;slowlog = /var/log/php5-fpm/$pool.log.slow

;request_slowlog_timeout = 20s

Error Log:

[01-Sep-2012 22:03:37] ERROR: failed to ptrace(PEEKDATA)

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