Hello, are you using any kernel command line arguments? ( selinux=0 noexec=off numa=off etc...) ... thanks - doug ************************************************************************ Doug Zeman \ \ | __ \ ____ | Phone: 408 7747674 CAD Sys Eng II / \ | _/ | | | | Cell : 408 7187466 CA MicroProc Div ____ \ | | | | | | Fax : 408 7747811 Sunnyvale, CA _/ _\_| _| _____/ ____/ \| doug.zeman at amd.com ************************************************************************ Robin Mordasiewicz wrote: > I have successfully kickstarted 3.4 x86_64, but after updating my repo > to 3.5 I see a kernel panic when it loads vmlinuz. > > Funny thing is that I had one box that would kernel panic while trying > to install centos-3.4-x86_64, which then would install fine after > updating to 3.5, but now my other mahcines will not kickstart. >