Hi Itaru, On Tue, Oct 10, 2017 at 05:30:39PM +0900, Itaru Kitayama wrote: > Hi, > > In our attempt upgrading from 4.5.0-25.el7.aarch64 to the 4.11-based kernel > we see the latter does not boot on ThunderX. > > Here's the HW details: > > http://b2b.gigabyte.com/ARM-Server/R150-T62-rev-100#support-manual > > The BIOS release is T43. (According Red Hat, they've been testing fine their > 1 socket GIGABYTE server with their RHEL 7 kernels.) > > I am wondering what ThunderX platform CentOS has been using for testing, and > the list happens to have the above HW. > > The boot process seems to be stuck as soon as system prints our EFI stub messages. > No messages from the kernel. Could you please try to run kernel with earlycon option? Append kernel command line with something like "earlycon=pl011,0x87e024000000" and check kernel output. This could give us some hint of what is going on there. WBR, Vadim > > Is the CentOS Alt architecture group going to release a 4.12 or .13 kernel soon? > > Itaru > _______________________________________________ > Arm-dev mailing list > Arm-dev at centos.org > https://lists.centos.org/mailman/listinfo/arm-dev