On Tue, Aug 06, 2019 at 01:54:56AM +0000, Grant Street wrote: > Try checking your /var/log/messages for OOM killer log lines. If your machine > is running low on memory the oom killer will start killing high memory usage > programs. > > Grant
we have watched top while it runs and there's no evidence of a memory shortage. > ________________________________________ > From: CentOS <centos-boun...@centos.org> on behalf of Fred Smith > <fre...@fcshome.stoneham.ma.us> > Sent: Tuesday, 6 August 2019 10:57 AM > To: centos@centos.org > Subject: [CentOS] another bizarre thing... > > Hi all! > > I'm stuck on something really bizarre that is happening to a product > I "own" at work. It's a C program, built on CentOS, runs on CentOs or > RHEL, has been in circulation since the early 00's, is in use at > hundreds of sites. > > recently, at multiple customer sites it has started just going away. > no core file (yes, ulimit is configured), nothing in any of its > (several) log files. it's just gone. > > running it under strace until it dies reveals that every thread has > been given a SIGKILL. > > How does one figure out who deliverd a SIGKILL? For other, non-fatal, > signals it is possible to glean the PID of the sending process in a > signal handler, but obviously you can't do that for SIGKILL because > the app doesn't survive the signal. > > I'm grasping at straws here, and am open to almost any kind of > suggestion that can be followed-up (as compared to "beats me" which > is where I am now). > > I'm even wondering if systemd has something to do with it. > > Thanks in advance! > -- > ---- Fred Smith -- fre...@fcshome.stoneham.ma.us ----------------------------- > But God demonstrates his own love for us in this: > While we were still sinners, > Christ died for us. > ------------------------------- Romans 5:8 (niv) > ------------------------------ > _______________________________________________ > CentOS mailing list > CentOS@centos.org > https://clicktime.symantec.com/39tX9Zv3dbX6w8rkcpnA46w7Vc?u=https%3A%2F%2Flists.centos.org%2Fmailman%2Flistinfo%2Fcentos > -- > Grant Street > Senior Systems Engineer > > T: +61 2 9383 4800 (main) > D: +61 2 8310 3582 (direct) > E: grant.str...@al.com.au > > Building 54 / FSA #19, Fox Studios Australia, 38 Driver Avenue > Moore Park, NSW 2021 > AUSTRALIA > > [LinkedIn] <https://www.linkedin.com/company/animal-logic> [Facebook] > <https://www.facebook.com/Animal-Logic-129284263808191/> [Twitter] > <https://twitter.com/AnimalLogic> [Instagram] > <https://www.instagram.com/animallogicstudios/> > > [Animal Logic]<http://www.animallogic.com> > > www.animallogic.com<http://www.animallogic.com> > > CONFIDENTIALITY AND PRIVILEGE NOTICE > This email is intended only to be read or used by the addressee. It is > confidential and may contain privileged information. If you are not the > intended recipient, any use, distribution, disclosure or copying of this > email is strictly prohibited. Confidentiality and legal privilege attached to > this communication are not waived or lost by reason of the mistaken delivery > to you. If you have received this email in error, please delete it and notify > us immediately by telephone or email. > _______________________________________________ > CentOS mailing list > CentOS@centos.org > https://lists.centos.org/mailman/listinfo/centos -- ---- Fred Smith -- fre...@fcshome.stoneham.ma.us ----------------------------- God made him who had no sin to be sin for us, so that in him we might become the righteousness of God." --------------------------- Corinthians 5:21 --------------------------------- _______________________________________________ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos