it's rare, but a bad memory module (RAM) can trigger this behaviour. try it on another machine. if you get the same results then I guess it's software based.
On Tue, Jul 2, 2013 at 12:04 PM, Zak Elep <[email protected]> wrote: > On Tue, Jul 2, 2013 at 9:47 AM, Michael Tinsay <[email protected]> wrote: > > I have this baffling situation... Our consultants are installing their > very > > expensive piece of Java app running under Tomcat and RHEL 6. The whole > > thing is in a VM guest. Here's the thing, their app segfaults if the VM > is > > a KVM guest running under a RHEL 6 host (and even an Ubuntu 12.04 host). > > They claim (I wasn't there personally) that their product runs ok for the > > same VM guest image running under VMWare ESX. > > > > Has anybody run into a similar situation? Is there a techincal > explanation > > of why a Java app would segfault if the VM host is KVM as against an ESX > > host? > > My wild guess: Java memory ballooning differently in KVM versus ESX. > You might have to tune the KVM memory ballooning in your VM (I'm > guessing you're using libvirt, right, given that you're on RHEL?) > > Also, check the other obvious suspects (e.g. Tomcat memory settings, > badly-set OS sysctls, open file limits and the like.) > > > Cheers, > > Zakame > > -- > Zak B. Elep || zakame.net > 1486 7957 454D E529 E4F1 F75E 5787 B1FD FA53 851D > _________________________________________________ > Philippine Linux Users' Group (PLUG) Mailing List > http://lists.linux.org.ph/mailman/listinfo/plug > Searchable Archives: http://archives.free.net.ph >
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