On 04/10/2013 03:35 AM, Li Haifeng wrote: > Hi, everyone. > > Recently, I try to run kdump on pandaboard ES with omap4460. After > load capture kernel by "kexec -l" and execute "kexec -e", the serial > port output "Starting new kernel" and "Bye", then the system hangs up. > > I have tried the upstream Linux Kernel v3.4 and v3.8. All are with this issue. This is a shot in the dark. I assume you have SMP enabled. Can you use hotplug to remove all CPUs other than CPU0, so that the kexec happens on the boot CPU? That is certainly necessary for kexec to work correctly on Tegra.
