Updating megaraid_sas driver on Ubuntu

[Michael Blinn]

Following are the commands that worked for me to update the megaraid_sas 
driver for Ubuntu. I'm currently running Ubuntu's packaged kernel 
2.6.24-16-generic so I built my module using the 2.6.24 kernel source. 
I'm not very familiar with Debian, but I can only assume there will only 
be minor changes to the below.

sudo aptitude install ncurses-dev kernel-package
sudo apt-get build-dep linux-source-2.6.24 fakeroot
sudo apt-get source linux-image-2.6.24-16-generic
cd linux-2.6.24/
sudo cp /boot/config-2.6.24-16-generic .config
# Download the raw /drivers/scsi/megaraid/* files from here 
http://git.kernel.org/?p=linux/kernel/git/jejb/scsi-misc-2.6.git;a=tree;f=drivers/scsi/megaraid;h=675f42ebee8df6b54f92e03b4414df63c6dd7139;hb=HEAD 
and put them INTO the drivers/scsi/megaraid/ directory, replacing the 
previous files. Leave Kconfig.megaraid untouched.
sudo make menuconfig    # just exit from menuconfig
sudo vi Makefile  # Set EXTRAVERSION = -16
sudo make-kpkg --rootcmd fakeroot --initrd --append-to-version=-generic 
kernel-image
# Wait a long time for the kernel and modules to build #
sudo cp 
/lib/modules/2.6.24-16-generic/kernel/drivers/scsi/megaraid/megaraid_sas.ko 
/megaraid_sas.ko.original
sudo cp drivers/scsi/megaraid/megaraid_sas.ko 
/lib/modules/2.6.24-16-generic/kernel/drivers/scsi/megaraid/megaraid_sas
sudo update-initramfs -u
# Reboot into your same 2.6.24-16-generic kernel and you should be able 
to /sbin/modinfo megaraid_sas and see version: 00.00.03.16-rc1

G'luck,
 Michael Blinn

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