KBI unexpexted change in stable/11 ?

[Eric van Gyzen]

On 03/28/2018 10:35, Slawa Olhovchenkov wrote:
> On Wed, Mar 28, 2018 at 10:29:10AM -0500, Eric van Gyzen wrote:
> 
>> On 03/28/2018 08:09, Slawa Olhovchenkov wrote:
>>> I am upgrade system to latest -STABLE and now see kernel crash:
>>>
>>> - loading virtualbox modules build on 11.1-RELEASE-p6
>>> - loading nvidia module build on 11.1-RELEASE-p6 and start xdm
>>>
>>> Is this expected? I am mean about loading modules builded on
>>> 11.1-RELEASE on any 11.1-STABLE.
>>
>> This is not expected.  Can you bisect to find the stable/11 commit that
>> broke this?
>>
>> If you can roll back to 11.1-RELEASE, you could probably just
>> buildkernel and installkernel from various points along stable/11.  That
>> would save a lot of time by avoiding buildworld.
> 
> r325665 is previos point and is good.
> r331615 crashed.
> Can I use some script for bisect?

I'm not aware of a script for this.  The only tool I've used is "git
bisect", which is very handy if you're already familiar with git.

Eric