centos5.5 内核升级记录

1下载#wget  http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.35.9.tar.bz2

2解压#tar -xjvf linux-2.6.35.9.tar.bz2

3放到内核源代码目录#mv linux-2.6.35.9  /usr/src/kernels

4编译准备

没有安装gcc不能make编译，所以首先还得#yum install gcc

#cd linux-2.6.30
#make mrproper   清除环境变量，即清除配置文件

#make menuconfig 在菜单模式下选择需要编译的内核模块:

编译提示先装ncurses-devel

#yum install ncurses-devel

安装成功后再#make menuconfig 出现配置画面：

.config - Linux Kernel v2.6.35.9 Configuration
 qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq
  lqqqqqqqqqqqqqqqqqqqqqq Linux Kernel Configuration qqqqqqqqqqqqqqqqqqqqqqqk
  x  Arrow keys navigate the menu.  <Enter> selects submenus --->.          x
  x  Highlighted letters are hotkeys.  Pressing <Y> includes, <N> excludes, x
  x  <M> modularizes features.  Press <Esc><Esc> to exit, <?> for Help, </> x
  x  for Search.  Legend: [*] built-in  [ ] excluded  <M> module  < >       x
  x lqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqk x
  x x        General setup  --->                                          x x
  x x    [*] Enable loadable module support  --->                         x x
  x x    -*- Enable the block layer  --->                                 x x
  x x        Processor type and features  --->                            x x
  x x        Power management and ACPI options  --->                      x x
  x x        Bus options (PCI etc.)  --->                                 x x
  x x        Executable file formats / Emulations  --->                   x x
  x x    -*- Networking support  --->                                     x x
  x x        Device Drivers  --->                                         x x
  x x        Firmware Drivers  --->                                       x x
  x mqqqqv(+)qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqj x
  tqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqu
  x                    <Select>    < Exit >    < Help >                     x
  mqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq

 配置这个真头大，看配置手册配置项也太多了，很多设备都不知道什么用，看文档和配置手册配了几样（配置自己配，我也搞不清楚），保存退出。

配置参考。http://www.chinaunix.net/jh/4/16106.html

保存就是保存.config.没有.config是不能编译的。如果有几个方案，保存多.config1,可以load.

修改.config文件

在.config文件搜索CONFIG_SYSFS_DEPRECATED_V2，会发现# CONFIG_SYSFS_DEPRECATED_V2 is not set这一行，将该行修改为CONFIG_SYSFS_DEPRECATED_V2=y

不然报错Volume group not found

5配置完了，开始编译

#make clean   确保所有东西均保持最新状态.
#make bzImage   生成内核文件

编译好久好久。出门吃饭逛了一圈回家编译完了

Root device is (253, 0)
Setup is 12664 bytes (padded to 12800 bytes).
System is 2399 kB
CRC 2d5d3d3f
Kernel: arch/x86/boot/bzImage is ready  (#1)

#make modules 编译模块

又是一个难熬的过程。

#make modules_install 安装模块

#make install   安装

这两安装很快

#mkinitrd   /boot/initrd_2.6.35.9.img   2.6.35.9根据内核版本和指定参数生成映像文件

似乎OK了。

然后配置grub启动。

#vi /etc/grub.conf

# NOTICE:  You have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /boot/, eg.
#          root (hd0,0)
#          kernel /vmlinuz-version ro root=/dev/VolGroup00/LogVol00
#          initrd /initrd-version.img
#boot=/dev/sda
default=0  #此处1改为0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title CentOS (2.6.35.9)
        root (hd0,0)
        kernel /vmlinuz-2.6.35.9 ro root=/dev/VolGroup00/LogVol00
        initrd /initrd-2.6.35.9.img
title CentOS (2.6.18-194.el5xen)
        root (hd0,0)
        kernel /xen.gz-2.6.18-194.el5
        module /vmlinuz-2.6.18-194.el5xen ro root=/dev/VolGroup00/LogVol00
        module /initrd-2.6.18-194.el5xen.img
title CentOS-base (2.6.18-194.el5)
        root (hd0,0)
        kernel /vmlinuz-2.6.18-194.el5 ro root=/dev/VolGroup00/LogVol00
        initrd /initrd-2.6.18-194.el5.img

OK。重启。

#reboot -i