In addition to the Crimson_Fox solution, I had to add the following line in the modules.dep /lib/modules/2.6.24-16-generic/modules.dep file in order to load the module :
/lib/modules/2.6.24-16-generic/ubuntu/md/dm-raid45.ko: /lib/modules/2.6.24-16-generic/kernel/drivers/md/dm-mod.ko
My 0,02€...
In addition to the Crimson_Fox solution, I had to add the following line in the modules.dep /lib/modules/ 2.6.24- 16-generic/ modules. dep file in order to load the module :
/lib/modules/ 2.6.24- 16-generic/ ubuntu/ md/dm-raid45. ko: /lib/modules/ 2.6.24- 16-generic/ kernel/ drivers/ md/dm-mod. ko
My 0,02€...