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I have 2.6.32-21-generic , 2.6.32-38-generic and 3.0.0-20-generic. My current kernel is:-

$ uname -r
2.6.32-38-generic

I want to use different kernel that is 2.6.32-21-generic. How can I do that?

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1 Answer

After the BIOS, press Esc repeatedly until you see a screen that lets you choose between kernels.

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That I know. But can I do that I run my system in one kernel that is 2.6.32-38-generic but compile my driver using 2.6.32-21-generic kernel.? –  androidbuddy Mar 7 '13 at 10:43
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I'm not sure I understand your question. Please be more specific. –  schaiba Mar 7 '13 at 10:46
    
Like at bootup I select kernel 3.0.0-20-generic.So my system will boot with same kernel.Now I have one test driver(module) which I want to compile for kernel 2.6.32-21-generic and run it. I want to do so because 2.6.32-21-generic is providing the functionality(which I am using in my driver) that 3.0.0-20-generic does not have in it. Hope you got my point. –  androidbuddy Mar 7 '13 at 10:54
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If I understand correctly, you want to use a driver compiled for version X with kernel version Y. That is not possible. –  schaiba Mar 7 '13 at 11:05
    
thank you. Now I want to put need kernel in my PC.How can I do that? –  androidbuddy Mar 7 '13 at 12:48
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