linux-kernel - Re: [PATCH 4.9 00/95] 4.9.96-stable review

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Message-ID: <CA+G9fYttQ_ZsqhyROxYvH_hOOKQu6V0E8jRoLcCFeM_ALZLy5w@mail.gmail.com>
Date:   Mon, 23 Apr 2018 15:24:10 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     open list <linux-kernel@...r.kernel.org>,
        Shuah Khan <shuah@...nel.org>, patches@...nelci.org,
        lkft-triage@...ts.linaro.org,
        Ben Hutchings <ben.hutchings@...ethink.co.uk>,
        linux- stable <stable@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Guenter Roeck <linux@...ck-us.net>
Subject: Re: [PATCH 4.9 00/95] 4.9.96-stable review

On 22 April 2018 at 19:22, Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
> This is the start of the stable review cycle for the 4.9.96 release.
> There are 95 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 Tue Apr 24 13:51:53 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-4.9.96-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-4.9.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

Regression detected on arm64 devices Hikey and Juno.
Boot pass on arm64 dragonboard 410c board and qemu arm64.

I have started bisecting this problem.

Boot log:
------------
[    5.521472] DEBUG_LOCKS_WARN_ON(irqs_disabled_flags(flags))
[    5.526923] ------------[ cut here ]------------
[    5.526940] WARNING: CPU: 0 PID: 1331 at /srv/oe/build/tmp-rpb-glibc/
work-shared/hikey/kernel-source/kernel/locking/lockdep.c:2879
lockdep_trace_alloc+0xc0/0xc8

[    5.526943] Modules linked in:
[    5.526946]  fuse
[    5.526958] CPU: 0 PID: 1331 Comm: systemd-cgroups Not tainted 4.9.96-rc1 #1
[    5.526960] Hardware name: HiKey Development Board (DT)
[    5.526963] task: ffff800074241600 task.stack: ffff8000739e8000
[    5.526968] PC is at lockdep_trace_alloc+0xc0/0xc8
[    5.526973] LR is at lockdep_trace_alloc+0xc0/0xc8

Details log can be found at,
https://lkft.validation.linaro.org/scheduler/job/192779#L3095
and
4.9.96-rc2
https://lkft.validation.linaro.org/scheduler/job/193871

Best regards
Naresh Kamboju