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On Fri, 24 Jun 2005, David Groep wrote: > Hi all, > > Jeff Templon wrote: > > A couple of mysterious things, see included message. > > =========== > > Davide Salomoni wrote: > > > > And while I was looking on bosheks, I found these in /var/log/messages: > > > > Jun 24 10:07:37 bosheks kernel: application bug: edg-wl-in.ftpd(8787) > > has SIGCHLD set to SIG_IGN but calls wait(). > > Jun 24 10:07:37 bosheks kernel: (see the NOTES section of 'man 2 wait'). > > Workaround activated. > > > > is this something you've seen before? > > This is a false-positive error message generated by a bug in the kernel > 2.4.21-27.0.2 shipped with RHEL U4. See also > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=140552 It is not exactly that bug that is responsible for the mess; for details see my addition to that bug report, though. > It has been resolved in U5 (according to RH bugzilla). Nothing to worry > about and no reason to "fix" edg-wl-in.ftpd. I certainly claim the bug is RedHat's, and I would like to avoid having to code possibly non-trivial workarounds for the various gridftpd that are used in LCG-2. > > Jeff Templon wrote: > > > while looking for something else on hooimijt, I found these in > > /var/log/messages > > > > > > Jun 22 14:36:28 hooimijt named[5210]: client 192.16.186.252#56759: > > error sending response: host unreachable > > > > > > I remember seeing these often in the daily logwatch reports. > > Interesting thing is the following: at least today, these messages ONLY > > came from RB machines. bosheks & boswachter. no others involved. > > This seems like a local problem, since it previously also accured from > worker nodes and CEs (although RB's are the dominant contribution). Which program would generate such messages on the WNs? A Classic SE obviously has them too, as will a DPM SE. > I'll look into it when I'm actually back from my vacation, but they > are harmless. ...but (quite) a nuisance.