CentOS6.5原生內核版本是

Linux 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 22 03:15:09 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

在網上下載對應版本的src.rpm包：kernel-2.6.32-431.el6.src.rpm

http://rpm.pbone.net/index.php3/stat/4/idpl/24668468/dir/scientific_linux_6/com/kernel-devel-2.6.32-431.el6.x86_64.rpm.html

1.解壓src.rpm包：

# rpm -ivh kernel-2.6.32-431.el6.src.rpm

----------------------------------------

錯誤提示：

warning: group mockbuild does not exist - using root

warning: user mockbuild does not exist - using root

執行下面兩個命令：

# groupadd mockbuild

# useradd mockbuild -g mockbuild

----------------------------------------

2.生成rmp包

# rpmbuild -bb xxx.spec

----------------------------------------

錯誤提示：

error: Failed build dependencies:

asciidoc is needed by kernel-2.6.32-431.el6.x86_64

newt-devel is needed by kernel-2.6.32-431.el6.x86_64

ftp://rpmfind.net/linux/centos/6.7/os/x86_64/Packages/asciidoc-8.4.5-4.1.el6.noarch.rpm

ftp://rpmfind.net/linux/centos/6.7/os/x86_64/Packages/newt-devel-0.52.11-3.el6.x86_64.rpm

ftp://rpmfind.net/linux/centos/6.7/os/x86_64/Packages/slang-devel-2.2.1-1.el6.x86_64.rpm

解決辦法：

#rpm -ivh /home/zq/kernel/asciidoc-8.4.5-4.1.el6.noarch.rpm

#rpm -ivh /home/zq/kernel/slang-devel-2.2.1-1.el6.x86_64.rpm

#rpm -ivh /home/zq/kernel/newt-devel-0.52.11-3.el6.x86_64.rpm

----------------------------------------

卡住gpg: keyring `./pubring.gpg' created不動了

解決辦法：

執行一下命令：

rngd -r /dev/urandom

----------------------------------------

3.安裝rpm包

#cd /root/rpmbuild/RPMS/x86_64/

#rpm -ivh kernel-debuginfo-common-x86_64-2.6.32-431.el6.x86_64.rpm

#rpm -ivh kernel-debug-2.6.32-431.el6.x86_64.rpm

#rpm -ivh kernel-debug-debuginfo-2.6.32-431.el6.x86_64.rpm

4.調試內核

4.1 模擬機內內核奔潰

echo ?c ?> ?/proc/sysrq-trigger

執行此命令內核崩潰，會在/var/crash目錄下生成vmcore文件。(vim /etc/kdump.conf； path /var/crash)

4.2 分析vmcore

進入目錄/var/crash/127.0.0.1-2014-02-24-09:30:19，可以看到vmcore文件。

1.執行/usr/bin/crash ?/usr/lib/debug/lib/modules/2.6.32-220.el6.x86_64/vmlinux ?vmcore

2.具體分析過程見：http://blog.csdn.net/guowenyan001/article/details/12975221

參考資料：

Linux內核調試：kdump、vmcore、crash、kernel-debuginfo

http://blog.csdn.net/guowenyan001/article/details/19807555

細談.src.rpm軟件包安裝方法

http://blog.chinaunix.net/uid-21266384-id-186416.html

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