So, the problem was with the config file. I used the config file that you
provided here: http://www.lowepower.com/jason/files/config   to compile
linux kernel (3.7) and it works.

Thanks

On Thu, Sep 21, 2017 at 12:25 PM, Jason Lowe-Power <ja...@lowepower.com>
wrote:

> That change was tested with 4.8.13. Have you tried a 4.8 or later kernel?
>
> Otherwise, I would suggest using debug flags/gdb to try to track down the
> problem.
>
> Jason
>
> On Wed, Sep 20, 2017 at 4:19 PM Jackie Chan <chanjackie...@gmail.com>
> wrote:
>
>> Hello Jason,
>>
>> Actually I tried the newest gem5 as well. But, I am seeing the same error.
>>
>>
>>
>> On Wed, Sep 20, 2017 at 12:19 PM, Jason Lowe-Power <ja...@lowepower.com>
>> wrote:
>>
>>> Hello,
>>>
>>> I think this changeset fixes the issue. https://gem5.
>>> googlesource.com/public/gem5/+/a517b4a6fba2674cb2a5b5b50a187473aedd4362. 
>>> It's
>>> committed in the current mainline.
>>>
>>> Jason
>>>
>>> On Wed, Sep 20, 2017 at 8:55 AM Jackie Chan <chanjackie...@gmail.com>
>>> wrote:
>>>
>>>> Hello
>>>>
>>>> I have been able to run a x86 linux kernel version 3.4 compiled by me
>>>> on gem5. When I try to use 3.7 kernel, I am seeing following error:
>>>>
>>>> panic: Invalid IDE control register offset: 0
>>>>
>>>>
>>>> To compile kernel version 3.7, I used same config file as was used for
>>>> 3.4. I wonder if anyone else has obeserved similar issues with gem5 or has
>>>> been able to run kernel version 3.7 or higher on  gem5 ?
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
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>>>
>>>
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>>
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