[CentOS] CentOS 7 - not using latest installed kernel

Thu Dec 4 13:32:16 UTC 2014
Ned Slider <ned at unixmail.co.uk>

On 03/12/14 17:10, John Horne wrote:
> Hello,
> 
> I have just installed CentOS 7 onto two servers and applied all the
> current patches. There are currently two kernels installed:
> 
> # rpm -q kernel
> kernel-3.10.0-123.el7.x86_64
> kernel-3.10.0-123.9.3.el7.x86_64
> 
> 
> However, if I reboot the servers they both start up on the older kernel:
> 
> # uname -r
> 3.10.0-123.el7.x86_64
> 
> I would have expected them to restart using kernel 3.10.0-123.9.3.
> I know I can manually select the kernel to use at boot time (from the
> grub2 menu), but, as with CentOS 6, I would have expected the servers to
> reboot using the latest kernel automatically.
> 
> Has anyone else noticed this? Any ideas as to why it might be happening?
> 
> 
> 
> 
> Thanks,
> 
> John.
> 

Someone already pointed you to the upstream bug for this.

Uninstalling the original release kernel (3.10.0-123.el7.x86_64) should
provide a workaround as the rest of the kernels should then be sorted in
the correct order.