linux-kernel - Re: [PATCH 4.14 000/173] 4.14.72-stable review

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Date:   Wed, 26 Sep 2018 00:01:53 -0300
From:   Rafael Tinoco <rafael.tinoco@...aro.org>
To:     gregkh@...uxfoundation.org,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
        linux@...ck-us.net, shuah@...nel.org, patches@...nelci.org,
        ben.hutchings@...ethink.co.uk, lkft-triage@...ts.linaro.org,
        stable@...r.kernel.org
Cc:     ohad@...ery.com, bjorn.andersson@...aro.org,
        linux-remoteproc@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Suman Anna <s-anna@...com>,
        Loic Pallardy <loic.pallardy@...com>,
        Arnaud POULIQUEN <arnaud.pouliquen@...com>
Subject: Re: [PATCH 4.14 000/173] 4.14.72-stable review

Greg,

> > > This is the start of the stable review cycle for the 4.14.72 release.
> > > There are 173 patches in this series, all will be posted as a response
> > > to this one.  If anyone has any issues with these being applied, please
> > > let me know.
> > >
> > > Responses should be made by Wed Sep 26 11:30:10 UTC 2018.
> > > Anything received after that time might be too late.
> > >
> > > The whole patch series can be found in one patch at:
> > >     https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.14.72-rc1.gz
> > > or in the git tree and branch at:
> > >     git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y
> > > and the diffstat can be found below.
> >
> > -rc2 is out to resolve some reported problems:
> >       https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.14.72-rc2.gz
>
> -rc2 looks good. There is a problem on dragonboard during boot that was
> introduced in v4.14.71 that I didn't notice last week. We'll bisect it
> and report back later this week. dragonboard on the other branches (4.9,
> 4.18, mainline) looks fine.

As Dan pointed out, during validation, we have bisected this issue on
a dragonboard 410c (can't find root device) to the following commit
for v4.14:

[1ed3a9307230] rpmsg: core: add support to power domains for devices

There is an on-going discussion on "[PATCH] rpmsg: core: add support
to power domains for devices" about this patch having other
dependencies and breaking something else on v4.14 as well.

Do you think we could drop this patch, for now, in a possible -rc3 for
v4.14.72 ? Dragonboards aren't being tested, because of this, since
v4.14.70. Hopefully it isn't too late for this release =).

BTW, I have just tested removing the commit from -rc2 and the board boots okay.

Thank you
-Rafael