From ec5e8461c194346c4341e3e8bb35bc06ad707d47 Mon Sep 17 00:00:00 2001 From: Chen Minqiang Date: Thu, 11 Jul 2019 22:34:03 +0800 Subject: x86: make crashdump works 1. KERNEL_CRASH_DUMP should depends on KERNEL_PROC_KCORE (kexec use it) 2. select crashkernel mem size by totalmem mem <= 256M disable crashkernel by default mem >= 4G use 256M for crashkernel mem >= 8G use 512M for crashkernel default use 128M 3. set BOOT_IMAGE in kdump.init 4. resolve a "Unhandled rela relocation: R_X86_64_PLT32" error Tested on x86_64 Signed-off-by: Chen Minqiang --- config/Config-kernel.in | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'config') diff --git a/config/Config-kernel.in b/config/Config-kernel.in index f7ba2b6723..fc24c3c932 100644 --- a/config/Config-kernel.in +++ b/config/Config-kernel.in @@ -477,10 +477,14 @@ config KERNEL_KEXEC config KERNEL_PROC_VMCORE bool +config KERNEL_PROC_KCORE + bool + config KERNEL_CRASH_DUMP depends on i386 || x86_64 || arm || armeb select KERNEL_KEXEC select KERNEL_PROC_VMCORE + select KERNEL_PROC_KCORE bool "Enable support for kexec crashdump" default y -- cgit v1.2.3