Hello, "echo c > /proc/sysrq-trigger" generates the kernel dump but it reboots the system. I'd like to generate kernel dump without system reboot. I found the CONFIG_KEXEC_JUMP option that described as "it is possible to jump to the kdump kernel and generate kernel dump, and come back to the operating kernel". So I enabled CONFIG_KEXEC_JUMP option but I cannot figure out how to come back to the operating kernel. For example, I did following sequences after reading kexec manual page. 1. kexec --load=/boot/vmlinuz --initrd=/boot/initrd --reuse-cmdline 2. kexec -e 3. now kdump kernel is running 4. kexec --load-jump-back-helper --entry=<ADDRESS> 5. kexec -e I can jump to kdump kernel with step 1 and step 2. kexec manual says I need an entry address. I don't know what address I should use. Does anybody know how to use CONFIG_KEXEC_JUMP options and kexec to jump between kdump kernel and operating kernel? -- Best regards, Gioh Kim