On 10/10/2012 4:38 AM, John Horne wrote: > > The problem is that 'strict.pm' is located in /usr/share/perl5 (as it is > on our other servers), and /usr/share/perl5 is specified in @INC. Perl can do this is when you've run it out of file handles, then someone tries to load a not-previously-loaded Perl module. The Perl interpreter needs one more file handle to open the new module, but it can't get another from the kernel, so it gives that message. Generally this results from a bug in the code, typically one involving an over-reliance on Perl's garbage collector. Perl will close opened file handles for you eventually, but not as long as it thinks they're still being used. If you have a long-running script, you need to be careful about this if it also opens a lot of files, since the default FD limit per process is 1024 on Linux. You can monitor FD usage in a program with ls /proc/`pidof my-program`/fd | wc -l I don't know if you want to put "xymon_event" in for "my-program" or something higher up, since I don't know anything about that or ClamAV. Regardless, if you see that number climb continuously, then see the problem happen shortly after the number crests 1000, you've confirmed my guess.