linux-kernel - Re: [PATCH 5.12 000/242] 5.12.18-rc1 review

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Message-ID: <yt9dim16lv3u.fsf@linux.ibm.com>
Date:   Mon, 19 Jul 2021 07:40:21 +0200
From:   Sven Schnelle <svens@...ux.ibm.com>
To:     Daniel Díaz <daniel.diaz@...aro.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        open list <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Shuah Khan <shuah@...nel.org>, patches@...nelci.org,
        lkft-triage@...ts.linaro.org, Pavel Machek <pavel@...x.de>,
        jonathanh@...dia.com, f.fainelli@...il.com,
        linux- stable <stable@...r.kernel.org>, hca@...ux.ibm.com
Subject: Re: [PATCH 5.12 000/242] 5.12.18-rc1 review

Hi Daniel,

Daniel Díaz <daniel.diaz@...aro.org> writes:

> Hello!
>
> On Thu, 15 Jul 2021 at 13:56, Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> wrote:
>> This is the start of the stable review cycle for the 5.12.18 release.
>> There are 242 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 Sat, 17 Jul 2021 18:21:07 +0000.
>> 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/v5.x/stable-review/patch-5.12.18-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-5.12.y
>> and the diffstat can be found below.
>>
>> thanks,
>>
>> greg k-h
>
> Build regressions have been found on this release candidate (and on 5.13-rc).
>
> ## Regressions (compared to v5.12.17)
> * s390, build
>   - clang-10-allnoconfig
>   - clang-10-defconfig
>   - clang-10-tinyconfig
>   - clang-11-allnoconfig
>   - clang-11-defconfig
>   - clang-11-tinyconfig
>   - clang-12-allnoconfig
>   - clang-12-defconfig
>   - clang-12-tinyconfig
>   - gcc-8-allnoconfig
>   - gcc-8-defconfig
>   - gcc-8-tinyconfig
>   - gcc-9-allnoconfig
>   - gcc-9-defconfig
>   - gcc-9-tinyconfig
>   - gcc-10-allnoconfig
>   - gcc-10-defconfig
>   - gcc-10-tinyconfig
>
> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
>
> [...]
>> Sven Schnelle <svens@...ux.ibm.com>
>>     s390/signal: switch to using vdso for sigreturn and syscall restart
> [...]
>
> Our bisections pointed to this commit. Reverting it made the build pass again.

If https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc/-/jobs/1428532107
is the logfile for this problem, than i see the following in the log:

make --silent --keep-going --jobs=8 O=/home/tuxbuild/.cache/tuxmake/builds/current ARCH=s390 CROSS_COMPILE=s390x-linux-gnu- 'CC=sccache s390x-linux-gnu-gcc' 'HOSTCC=sccache gcc'
/bin/sh: 1: /builds/linux/arch/s390/kernel/vdso64/gen_vdso_offsets.sh: Permission denied

However, in the patch this script is 755, and other architecture are
using this for a while now - can you check what the permission are when
you're trying to build the kernel?

Thanks
Sven