Booting ancient kernels on Ubuntu 9.10

Luis R. Rodriguez mcgrof at
Tue Feb 2 20:12:02 UTC 2010

On Tue, Feb 2, 2010 at 11:36 AM, Scott James Remnant <scott at> wrote:
> On Fri, 2010-01-15 at 10:28 -0800, Luis R. Rodriguez wrote:
>> Curious if other developers have tried to boot ancient kernels on
>> Ubuntu 9.10. I've had issues, seems init fails while trying to mount
>> the root filesystem but I'm not yet sure why that is. I tried 2.6.23
>> and 2.6.24 but no luck. I have the other kernels, will see at which
>> one it started to fail, but curious if others have tried.
> This is something that's flat-out not expected to work, and I'm not
> really interested in making it work either - since it would lead to
> complexity and maintenance burden.
> The minimum supported kernel version for any release is the kernel
> version that comes with that release.  You should be safe to upgrade to
> newer versions, but not use older.

Heh sure, I wasn't expecting it to work or be supported. It just means
harder work for me to test backports as I need another box with some
older userspace. Curious enough I couldn't even boot 2.6.23 on RHEL5


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