CentOS6.5原生内核版本是

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

在网上下载对应版本的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.解压src.rpm包：

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

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

错误提示：

warning: group mockbuild does not exist - using root

warning: user mockbuild does not exist - using root

执行下面两个命令：

# groupadd mockbuild

# useradd mockbuild -g mockbuild

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

2.生成rmp包

# rpmbuild -bb xxx.spec

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

错误提示：

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

解决办法：

#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不动了

解决办法：

执行一下命令：

rngd -r /dev/urandom

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

3.安装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.调试内核

4.1 模拟机内内核奔溃

echo  c  >  /proc/sysrq-trigger

执行此命令内核崩溃，会在/var/crash目录下生成vmcore文件。(vim /etc/kdump.conf； path /var/crash)

4.2 分析vmcore

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

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

2.具体分析过程见：http://blog.csdn.net/guowenyan001/article/details/12975221

参考资料：

Linux内核调试：kdump、vmcore、crash、kernel-debuginfo

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

细谈.src.rpm软件包安装方法

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

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