From e0d8f7ef1ff8ff93b8b55006f2f29749cdcc0aec Mon Sep 17 00:00:00 2001 From: Chen Minqiang Date: Sat, 30 Apr 2022 23:28:29 +0800 Subject: [PATCH] kexec-tools: add kdump scripts util This add back kdump scripts to save crashlog or vmcore to disk Signed-off-by: Chen Minqiang --- package/boot/kexec-tools/Makefile | 34 +++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/package/boot/kexec-tools/Makefile b/package/boot/kexec-tools/Makefile index 0fbbefdc3b..6249efe9e7 100644 --- a/package/boot/kexec-tools/Makefile +++ b/package/boot/kexec-tools/Makefile @@ -49,6 +49,17 @@ define Package/kexec/description The kexec utility allows to load and boot another kernel. endef +define Package/kdump + $(call Package/kexec-tools/Default) + TITLE:=Kernel crash analysis + DEPENDS:=+kexec @(i386||x86_64||arm) @KERNEL_CRASH_DUMP +endef + +define Package/kdump/description + The kdump package allows to automatically boot into a + special kernel for analyzing kernel crashes using kdump. +endef + define Package/kexec/config source "$(SOURCE)/Config.in" endef @@ -95,5 +106,28 @@ define Package/kexec/install $(LN) ../usr/sbin/kexec $(1)/sbin/kexec endef +define Package/kdump/install + $(INSTALL_DIR) $(1)/usr/sbin $(1)/etc/init.d $(1)/etc/config $(1)/etc/uci-defaults + $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/vmcore-dmesg $(1)/usr/sbin + $(INSTALL_BIN) ./files/kdump.init $(1)/etc/init.d/kdump + $(INSTALL_BIN) ./files/kdump.defaults $(1)/etc/uci-defaults/kdump + $(INSTALL_CONF) ./files/kdump.config $(1)/etc/config/kdump +endef + +define Package/kdump/prerm +#!/bin/sh + +case $$(uname -m) in + i?86|x86_64) + if grep -q " crashkernel=" /boot/grub/grub.cfg; then + mount /boot -o remount,rw + sed -i 's/ crashkernel=[^ ]*//' /boot/grub/grub.cfg + mount /boot -o remount,ro + fi + ;; +esac +endef + $(eval $(call BuildPackage,kexec-tools)) $(eval $(call BuildPackage,kexec)) +$(eval $(call BuildPackage,kdump)) -- 2.30.2