#20 kernel: application bug

[MVictorL]

I'am using RedHat 9.
Swatch give out post below in message log-file after
restart:
kernel: application bug: perl(6451) has SIGCHLD set to
SIG_IGN but calls wait().
kernel: (see the NOTES section of 'man 2 wait').
Workaround activated.

What can I do for resolve this trouble?