On Tuesday 22 June 2010, Eric Deis wrote: > I have recently upgraded to 2.6.18-194.3.1.el5 and within several days > the machine crashed with the following error (repeating in mcelog): I'm guessing the old kernel just didn't notice. The below MCEs indicate bad hardware. Since the DIMMs are a lot easier to debug I'd suggest you start there (but it could be the systemboard too). Try running with half you DIMMs then the other half. /Peter > MCE 0 > HARDWARE ERROR. This is *NOT* a software problem! > Please contact your hardware vendor > CPU 2 BANK 8 MISC 41 ... -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 189 bytes Desc: This is a digitally signed message part. URL: <http://lists.centos.org/pipermail/centos/attachments/20100622/b82766af/attachment-0005.sig>