Where to clone kernel from

Colin Law clanlaw at gmail.com
Wed Sep 2 15:40:55 UTC 2015


On 2 September 2015 at 15:18, Nicholas Skaggs
<nicholas.skaggs at canonical.com> wrote:
> On 09/01/2015 02:05 PM, Colin Law wrote:
>>
>> On 1 September 2015 at 16:38, Colin Law <clanlaw at gmail.com> wrote:
>>>
>>> Hi,
>>>
>>> Hopefully this is an appropriate forum to ask this. Am helping to
>>> track down bug https://bugzilla.kernel.org/show_bug.cgi?id=53071 which
>>> exhibits itself on my laptop running Wily.  By installing kernels from
>>> http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D I have
>>> determined that it was introduced between 3.19.8-vivid and
>>> 4.0-rc1-vivid.  The plan is to clone the kernel git repo and git
>>> bisect to find the commit.  Since they are labelled vivid I cloned
>>> git://kernel.ubuntu.com/ubuntu/ubuntu-vivid.git (which took a long
>>> time on my 1.5Mb broadband) but the latest tag in there is
>>> 3.19.0-28.30
>>>
>>> Is the right one to use
>>> https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/wily?
>>
>> That does not contain the tags I am looking for either.  Does anyone
>> know where there is a repository with tags for 3.19.8-vivid and
>> 4.0-rc1-vivid?
>>
>> Colin
>>
>>> Cheers
>>>
>>> Colin Law
>
> Adding in the kernel team who might be able to help more. Colin, have you
> seen / read https://wiki.ubuntu.com/Kernel/KernelBisection?
>
> If I had to guess, I'd be looking in the mainline tree:
> http://kernel.ubuntu.com/git/ubuntu/linux.git, and the conversion table
> http://people.canonical.com/~kernel/info/kernel-version-map.html. Really,
> that wiki should have all the information you need to do the bisection.
>
> Thanks for making ubuntu better by tracking this down, and good luck!

Thanks Nicholas

I think those links refer mainly to getting as far as which released
ubuntu version exhibits the problem, I was intending (and have
achieved to some extent, as described in my other post) to build the
kernel and bisect it down to find the commit that introduced the
problem.  I was referring to
https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel for this.

Cheers

Colin



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