Hi Adhemerval, > Instead of polling the stderr, create two pipes and fork to check > if child timeout as expected similar to tst-pselect.c. Also lower > the timeout value. I'm just wondering why this approach (with pipes) is more safe than polling stderr? Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@denx.de