On 03/12/2015 13:57, Akemi Yagi wrote: > On Thu, Dec 3, 2015 at 5:44 AM, Duncan Brown <centos2 at duncb.co.uk> wrote: >> On 03/12/2015 13:33, Jonathan Billings wrote: >>> On Thu, Dec 03, 2015 at 09:29:21AM +0000, Duncan Brown wrote: >>>> Hi All >>>> >>>> After upgrading to 7.2, I'm getting an immediate kernel panic on boot >>>> >>>> Dropping back to 3.10.0-229.20.1.el7.x86_64 and the system boots fine >>>> >>>> How can I go about diagnosing the problem here? >>> It'd probably help if you could give us more details on the kernel >>> panic. >>> >>> Can you see where it is panicking? Does it happen during the >>> kernel/initrd stage or later during boot? >>> >>> I suggest installing the kdump service if it is panicking later in >>> boot, you might be able to capture a kernel dump which makes debugging >>> these things a lot easier. Otherwise, I suggest trying to capture the >>> panic message some other way. >>> >> The last message before it is "switching to clocksource hpet" >> >> Then the panic scrolls by > Maybe an issue with X. Look into /var/log/Xorg.0.log for hints. Or, > does it boot fine in single user mode? > > Akemi > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos The same thing happens in single user mode too