Re: Droid 4 regression in 5.5-rc1, armsoc-soc tree

Arnd Bergmann
2020-01-02T14:47:54Z

On Thu, Jan 2, 2020 at 3:06 PM Pavel Machek <pavel@ucw.cz> wrote:

> # good: [ab818f0999dc73af3f966194d087e9f6650f939f] Merge tag
> # 'omap-for-v5.5/maintainers-signed' of
> # git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into
> # arm/soc
> git bisect good ab818f0999dc73af3f966194d087e9f6650f939f
> # first bad commit: [38206c24ab09b4f4c2a57de5c1af0bb2e69cf5b6] Merge tag
> # 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
>
> ...and am not sure how to interpret the result, or what to do next :(.

This means that either the bisection is unreliable (it might be 100%
reproducible or you mixed up good/bad once), or that the arm-soc
branch was indeed good by itself but had a conflict with some other
change that torvalds merged earlier.

I would suggest to go back to the list I had extracted in my previous
email and revert all the commits that I identify there, on top of
linux-5.5-rc4. If some commit is not easily reverted, skip that one
at first.

Ideally this gets you a working kernel based on -rc4, and then
you can bisect that to find which revert fixed it.

Arnd